Elsewhere

Chris Lamb: Race report: Cambridge Duathlon 2014

Planet Debian - lun, 14/04/2014 - 14:59

(This is my first race of the 2014 season.)


I had entered this race in 2013 and found it was effective for focusing winter training. As triathlons do not typically start until May in the UK, scheduling earlier races can be motivating in the colder winter months.

I didn't have any clear goals for the race except to blow out the cobwebs and improve on my 2013 time. I couldn't set reasonable or reliable target times after considerable "long & slow" training over the winter but I did want to test some new equipment and tactics, especially race pacing with a power meter, but also a new wheelset, crankset and helmet.

Preparation was both accidentally and deliberately compromised: I did very little race-specific training as my season is based around an entirely different intensity of race, but compounding this I was confined to bed the weekend before. Additionally, when resuming training midweek I managed to pick up a slight tightness in my hamstring.

Sleep was average in the preceding days and I felt moderately fresh on race morning. Nutrition-wise, I had porridge and bread with jam for breakfast, a PowerGel before the race, 750ml of PowerBar Perform on the bike along with a "Hydro" PowerGel with caffeine at approximately 30km.

Run 1 (7.5km)

A few minutes before the start my race number belt—the only truly untested equipment that day—refused to tighten. However, I decided that once the race began I would either ignore it or even discard it, risking disqualification.

Despite letting everyone go up the road, my first km was still too fast so I dialed down the effort, settling into a "10k" pace and began overtaking other runners. The Fen winds and drag-strip uphill from 3km provided a bit of pacing challenge for someone used to shelter and shorter hills but I kept a metered effort through into transition.

Time
33:01 (4:24/km, T1: 00:47) — Last year: 37:47 (5:02/km)
Bike (40km)

Although my 2014 bike setup features a power meter, I had not yet had the chance to perform an FTP test outdoors and thus was not able to calculate a definitive target power for the bike leg. However, data from my road bike suggested I set a power ceiling of 250W on the longer hills.

This was extremely effective in avoiding going "into the red" and compromising the second run. This lends yet more weight to the idea that a power meter in multisport events is "almost like cheating".

I was not entirely comfortable with my bike position: not only were my thin sunglasses making me raise my head more than I needed to, I found myself creeping forward onto the nose of my saddle. This is sub-optimal, even if only considering that I am not training in that position.

Overall, the bike was uneventful with the only memorable moment provided by a wasp that got stuck between my head and a helmet vent. Coming into transition I didn't feel like I had really pushed myself that hard—probably a good sign—but the time difference from last year's bike leg (1:16:11) was a little underwhelming.

Time
1:10:45 (T2: 00:58)
Run 2 (7.5km)

After leaving transition, my legs were extremely uncooperative and I had great difficulty in pacing myself in the first kilometer. Concentrating hard on reducing my cadence as well as using my rehearsed mental cue, I managed to settle down.

The following 4 kilometers were definitely a mental struggle rather than a physical one, modulo having to force a few burps to ease some discomfort, possibly from drinking too much or too fast on the bike.

I had planned to "unload" as soon as I reached 6km but I didn't really have it in me. Whilst I am physiologically faster compared to last year, I suspect the lack of threshold-level running over the winter meant the required mental component of digging deep will require some coaxing to return.

However, it is said that you have successfully paced a duathlon if the second run faster than the first. On this criterion, this was a success, but it would have a been a bonus to have really felt completely completely drained at the end of the day, if only from a neo-Calvinist perspective.

Time
32:46 (4:22/km) / Last year: 38:10 (5:05/km)
Overall
Total time
2:18:19

A race that goes almost entirely to plan is a bit of a paradox – there's certainly satisfaction in setting goals and hitting them without issue, but this is a slow-burning fire rather than a fireworks display.

However, it was satisfying to learn that I managed to finish 5th in my age group despite this race attracting an extremely strong field. As an indicator, the age-group athlete ranked immediately above me was seven minutes faster and the overall winner finished in 1:54:53.

The race has identified the following areas that I will work on before my next race:

  • Perform an outdoors FTP on my time-trial bike outdoors to develop optimum power plan.
  • Do a few more brick runs, at least to re-acclimatise the feeling.
  • Schedule another bike fit.

Although not strictly race-related, I also need to find techniques for transporting a bike on public transport less stressful.

(Full results & full 2014 race schedule)

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Acquia: The best kind of learning technology

Planet Drupal - lun, 14/04/2014 - 14:31

Our training is hands-on, but what that means has changed through the years we’ve run Drupal training. Now you’re just as likely to see learners drawing on paper, collaborating with someone, giving a quick demo, or of course, working hard on their computers. I was reminded of this recently looking at some photos of a client training by our partner, Cegeka with Laurens Vandeput, Senior Drupal developer and team coach.

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Web Omelette: 3 ways to prompt for user input in Drush

Planet Drupal - lun, 14/04/2014 - 09:07

Drush is awesome. It makes Drupal development much easier. Not only that it comes already packed with a bunch of useful commands, but you can declare your own with great ease. So if you need to call some of your module's functionality from Drush, all you have to do is declare a simple command that integrates with it.

In this tutorial I am going to show you how to get user feeback for such a command. I do not refer to arguments or options in this case. But how you can ask for confirmation on whether or not the command should proceed as requested and how you can ask for a choice. Additionally we'll quickly look at how to get free text back from the user.

So let's dive in with an example command callback function called drush_module_name_example_command():

/** * Callback function for the example command */ function drush_module_name_example_command() { // Command code we will look at drush_print('Hello world!'); } Confirmation

The first thing we'll look at is how to get the user to confirm the action. So in our case, we'll ask the user if they really want this string to be printed to the screen. Drush provides a great API for this:

if (drush_confirm('Are you sure you want \'Hello world\' printed to the screen?')) { drush_print('Hello world!'); } else { drush_user_abort(); }

You'll notice 2 new functions. The drush_confirm() function prints a question to the screen with the intent of getting one of two answers back form the user: y or n. If the response is y, the function returns true which means our print statement proceeds. If the answer is n, the drush_user_abort() function gets called instead. This is the recommended way to stop executing a Drush command.

Select option

Now let's see how you can make the user choose an option from a list you provide. For our super Hello world use case, we will give the user the choice to select from a list who Drush should say hello to. It can be implemented like this:

$options = array( 'world' => 'World', 'univers' => 'Univers', 'planet' => 'Planet', ); $choice = drush_choice($options, dt('Who do you want to say hello to?')); if ($choice) { drush_print(dt('Hello ' . $options[$choice] . '!')); }

So what happens above? First, we create an array to store the choices called $options. The array keys are the machine name and the values are the human friendly versions. Then, we call the drush_choice() function to which we pass 2 arguments: the $options array and the question we ask from the user.

When the command is run, this function is called and returns the machine name of the option the users chooses. Then we check if this value exists and print to the screen the concatenated string. We do use the human readable value by extracting it from the $options array using the key returned.

Free text values

A third type of user input is in the form of free text that you can ask the user to input. Of course the validation of this kind of input must be much stricter so as to not break your application somehow. But let's ask our user exactly who they want to say hello to.

$value = drush_prompt(dt('Who do you want to say hello to?')); drush_print(dt('Hello ' . $value . '!'));

This one is very simple. When the command is run, the drush_prompt() function is called to which we pass a string of text to be displayed in the terminal. The return value is given by the user and we use that for concatenation. But do remember that this is example code only so if you do use this function, make sure you validate the user input properly.

Conclusion

So there you have it. Three different ways to get user input in the terminal using Drush. The first two are the most common ones I believe but it's good to know there is also the last one available in case we need it.

Drush safely!

In Drupal var switchTo5x = true;stLight.options({"publisher":"dr-8de6c3c4-3462-9715-caaf-ce2c161a50c"});
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Bits from Debian: DPL election is over, Lucas Nussbaum re-elected

Planet Debian - lun, 14/04/2014 - 08:10

The Debian Project Leader election has concluded and the winner is Lucas Nussbaum. Of a total of 1005 developers, 401 developers voted using the Condorcet method.

More information about the result is available in the Debian Project Leader Elections 2014 page.

The new term for the project leader will start on April 17th and expire on April 17th 2015.

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Propeople Blog: Propeople Wins Gold at the Danish Drupal Awards

Planet Drupal - lun, 14/04/2014 - 07:55

Propeople was the big winner at the first ever Danish Drupal Awards. This new competition acknowledges the agencies and companies that excel in Drupal web design and development. Propeople won gold in 5 of the 7 award categories, one in every category for which we were nominated!

Drupal agencies in Denmark were the ones who nominated, and voted for, each other (with individual companies not able to vote for themselves). It is, of course, a great recognition for the winners to have been chosen by those that make up the industry itself. As a Drupal company that started in Denmark, Propeople is incredibly proud to have received this acknowledgement and seal of approval from our colleagues in the Danish industry.

 

Propeople walked away from the ceremony with awards in the following categories: Best Drupal Website, Best Drupal Media site, Best Drupal NGO Site, Best Drupal Intranet, and Best Public Drupal Site. The last three awards were won in collaboration with Bysted, one of our sister companies who, like Propeople, is a part of the Intellecta Group. The awards bestowed upon Propeople are a testament to the quality and professionalism of our team of web specialists and Drupal experts, and we couldn’t be happier about them! See below for a video recap of the awards ceremony, and a list of the winning websites. 

 

Video of Drupal Award 2014 - Propeople

 

The Winning Websites

Best Drupal Website:
Gold Award: NFBIO.dk , created for Nordisk Film by Propeople

Best Drupal NGO Site:
Gold Award: visitcopenhagen.com, created for Wonderful Copenhagen by Propeople and Bysted

Best Drupal Intranet:
Gold Award : KK intranet, created for the Municipality of Copenhagen by Propeople and Bysted

Best Public Drupal website:
Gold Award: visitcopenhagen.com, created for Wonderful Copenhagen by Propeople and Bysted
Bronze Award: roskilde.dk, created for the Municipality of Roskilde by Propeople and Bysted

Best Drupal Media site:
Gold: NFBIO.dk, created for Nordisk Film by Propeople

The awards bestowed upon Propeople are a testament to the quality and professionalism of our team of web specialists and Drupal experts, and we couldn’t be happier about them! If you want to learn about how Propeople can make your next project a winning website, make sure to contact us.

Tags: PropeopleDrupalAwardsDenmarkCheck this option to include this post in Planet Drupal aggregator: planetTopics: Business & Strategy
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Andrew Pollock: [life] Day 76: Dora + Fever

Planet Debian - lun, 14/04/2014 - 07:46

We had a bit of a rough night last night. I noticed Zoe was pretty hot when she had a nap yesterday after not really eating much lunch. She still had a mild fever after her nap, so I gave her some paracetamol (aka acetaminophen, that one weirded me out when I moved to the US) and called for a home doctor to check her ears out.

Her ears were fine, but her throat was a little red. The doctor said it was probably a virus. Her temperature wasn't so high at bed time, so I skipped the paracetamol, and she went to bed fine.

She did wake up at about 1:30am and it took me until 3am to get her back to bed. I think it was a combination of the fever and trying to phase out her white noise, but she just didn't want to sleep in her bed or her room. At 3am I admitted defeat and let her sleep with me.

She had only a slightly elevated temperature this morning, and otherwise seemed in good spirits. We were supposed to go to a family lunch today, because my sister and brother are in town with their respective families, but I figured we'd skip that on account that Zoe may have still had something, and coupled with the poor night's sleep, I wasn't sure how much socialising she was going to be up for.

My ear has still been giving me grief, and I had a home doctor check it yesterday as well, and he said the ear canal was 90% blocked. First thing this morning I called up to make an appointment with my regular doctor to try and get it flushed out. The earliest appointment I could get was 10:15am.

So we trundled around the corner to my doctor after a very slow start to the day. I got my ear cleaned out and felt like a million bucks afterwards. We went to Woolworths to order an undecorated mud slab cake, so I can try doing a trial birthday cake. I've given up on trying to do the sitting minion, and significantly scaled back to just a flat minion slab cake. The should be ready tomorrow.

The family thing was originally supposed to be tomorrow, and was only moved to today yesterday. My original plan had been to take Zoe to a free Dora the Explorer live show that was on in the Queen Street Mall.

I decided to revert back to the original plan, but by this stage, it was too late to catch the 11am show, so the 1pm show was the only other option. We had a "quick" lunch at home, which involved Zoe refusing the eat the sandwich I made for her and me convincing her otherwise.

Then I got a time-sensitive phone call from a friend, and once I'd finished dealing with that, there wasn't enough time to take any form of public transport and get there in time, so I decided to just drive in.

We parked in the Myer Centre car park, and quickly made our way up to the mall, and made it there comfortably with 5 minutes to spare.

The show wasn't anything much to phone home about. It was basically just 20 minutes of someone in a giant Dora suit acting out was was essentially a typical episode of Dora the Explorer, on stage, with a helper. Zoe started out wanting to sit on my lap, but made a few brief forays down to the "mosh pit" down the front with the other kids, dancing around.

After the show finished, we had about 40 minutes to kill before we could get a photo with Dora, so we wandered around the Myer Centre. I let Zoe choose our destinations initially, and we browsed a cheap accessories store that was having a sale, and then we wandered downstairs to one of the underground bus station platforms.

After that, we made our way up to Lincraft, and browsed. We bought a $5 magnifying glass, and I let Zoe do the whole transaction by herself. After that it was time to make our way back down for the photo.

Zoe made it first in line, so we were in and out nice and quick. We got our photos, and they gave her a little activity book as well, which she thought was cool, and then we headed back down the car park.

In my haste to park and get top side, I hadn't really paid attention to where we'd parked, and we came down via different elevators than we went up, so by the time I'd finally located the car, the exit gate was trying to extract an extra $5 parking out of me. Fortunately I was able to use the intercom at the gate and tell my sob story of being a nincompoop, and they let us out without further payment.

We swung by the Valley to clear my PO box, and then headed home. Zoe spontaneously announced she'd had a fun day, so that was lovely.

We only had about an hour and half to kill before Sarah was going to pick up Zoe, so we just mucked around. Zoe looked at stuff around the house with her magnifying glass. She helped me open my mail. We looked at some of the photos on my phone. Dayframe and a Chromecast is a great combination for that. We had a really lovely spell on the couch where we took turns to draw on her Magna Doodle. That was some really sweet time together.

Zoe seemed really eager for her mother to arrive, and kept asking how much longer it was going to be, and going outside our unit's front door to look for her.

Sarah finally arrived, and remarked that Zoe felt hot, and so I checked her temperature, and her fever had returned, so whatever she has she's still fighting off.

I decided to do my Easter egg shopping in preparation for Sunday. A friend suggested this cool idea of leaving rabbit paw tracks all over the house in baby powder, and I found a template online and got that all ready to go.

I had a really great yoga class tonight. Probably one of the best I've had in a while in terms of being able to completely clear my head.

I'm looking forward to an uninterrupted night's sleep tonight.

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Drupal core announcements: Drupal core security release window on Wednesday, April 16

Planet Drupal - lun, 14/04/2014 - 07:18
Start:  2014-04-16 (All day) America/New_York Sprint Organizers:  David_Rothstein

The monthly security release window for Drupal 6 and Drupal 7 core will take place on Wednesday, April 16.

This does not mean that a Drupal core security release will necessarily take place on that date for either the Drupal 6 or Drupal 7 branches, only that you should prepare to look out for one (and be ready to update your Drupal sites in the event that the Drupal security team decides to make a release).

There will be no bug fix release on this date; the next window for a Drupal core bug fix release is Wednesday, May 7.

For more information on Drupal core release windows, see the documentation on release timing and security releases, and the discussion that led to this policy being implemented.

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Larry Garfield: The Functional PHP tour

Planet Drupal - lun, 14/04/2014 - 06:35

Ever heard of functional programming? Not procedural programming, but actual functional programming. Probably, as some fancy academic thing that no one really uses, right?

Did you know you can do it in PHP, too? It's true. In fact, I'll be speaking about it four times in the next couple of weeks!

read more

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Matthew Garrett: Real-world Secure Boot attacks

Planet Debian - lun, 14/04/2014 - 05:22
MITRE gave a presentation on UEFI Secure Boot at SyScan earlier this month. You should read the the presentation and paper, because it's really very good.

It describes a couple of attacks. The first is that some platforms store their Secure Boot policy in a run time UEFI variable. UEFI variables are split into two broad categories - boot time and run time. Boot time variables can only be accessed while in boot services - the moment the bootloader or kernel calls ExitBootServices(), they're inaccessible. Some vendors chose to leave the variable containing firmware settings available during run time, presumably because it makes it easier to implement tools for modifying firmware settings at the OS level. Unfortunately, some vendors left bits of Secure Boot policy in this space. The naive approach would be to simply disable Secure Boot entirely, but that means that the OS would be able to detect that the system wasn't in a secure state[1]. A more subtle approach is to modify the policy, such that the firmware chooses not to verify the signatures on files stored on fixed media. Drop in a new bootloader and victory is ensured.

But that's not a beautiful approach. It depends on the firmware vendor having made that mistake. What if you could just rewrite arbitrary variables, even if they're only supposed to be accessible in boot services? Variables are all stored in flash, connected to the chipset's SPI controller. Allowing arbitrary access to that from the OS would make it straightforward to modify the variables, even if they're boot time-only. So, thankfully, the SPI controller has some control mechanisms. The first is that any attempt to enable the write-access bit will cause a System Management Interrupt, at which point the CPU should trap into System Management Mode and (if the write attempt isn't authorised) flip it back. The second is to disable access from the OS entirely - all writes have to take place in System Management Mode.

The MITRE results show that around 0.03% of modern machines enable the second option. That's unfortunate, but the first option should still be sufficient[2]. Except the first option requires on the SMI actually firing. And, conveniently, Intel's chipsets have a bit that allows you to disable all SMI sources[3], and then have another bit to disable further writes to the first bit. Except 40% of the machines MITRE tested didn't bother setting that lock bit. So you can just disable SMI generation, remove the write-protect bit on the SPI controller and then write to arbitrary variables, including the SecureBoot enable one.

This is, uh, obviously a problem. The good news is that this has been communicated to firmware and system vendors and it should be fixed in the future. The bad news is that a significant proportion of existing systems can probably have their Secure Boot implementation circumvented. This is pretty unsurprisingly - I suggested that the first few generations would be broken back in 2012. Security tends to be an iterative process, and changing a branch of the industry that's historically not had to care into one that forms the root of platform trust is a difficult process. As the MITRE paper says, UEFI Secure Boot will be a genuine improvement in security. It's just going to take us a little while to get to the point where the more obvious flaws have been worked out.

[1] Unless the malware was intelligent enough to hook GetVariable, detect a request for SecureBoot and then give a fake answer, but who would do that?
[2] Impressively, basically everyone enables that.
[3] Great for dealing with bugs caused by YOUR ENTIRE COMPUTER BEING INTERRUPTED BY ARBITRARY VENDOR CODE, except unfortunately it also probably disables chunks of thermal management and stops various other things from working as well.

comments
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Steve Kemp: Is lumail a stepping stone?

Planet Debian - lun, 14/04/2014 - 01:30

I'm pondering a rewrite of my console-based mail-client.

While it is "popular" it is not popular.

I suspect "console-based" is the killer.

I like console, and I ssh to a remote server to use it, but having different front-ends would be neat.

In the world of mailpipe, etc, is there room for a graphic console client? Possibly.

The limiting factor would be the lack of POP3/IMAP.

Reworking things such that there is a daemon to which a GUI, or a console client, could connect seems simple. The hard part would obviously be working the IPC and writing the GUI. Any toolkit selected would rule out 40% of the audience.

In other news I'm stalling on replying to emails. Irony.

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Darren Mothersele: I Don't Use Recruitment Agents

Planet Drupal - lun, 14/04/2014 - 01:00

I started working with Drupal full time in 2007. I knew back then I was on to a winner, as none of the other open-source systems I evaluated at the time offered the same power and flexibility. It took a while for mainstream web development community to catch on, but over the years the Drupal community has seen massive growth, and now Drupal powers some of the biggest sites on the internet, well over 1 million websites.

But, this success brings problems, and one recurring complaint I've heard over the years has been about the difficulty in finding top Drupal talent. This has made Drupal a prime target for recruitment agencies deception and dirty tricks.

Wunderroot are a well known company in the Drupal world, and are known to be a good employer. As UK MD, Steve Parks, says in his blog We Don't Use Recruitment Agents

We would really love to be able to use recruitment agencies — imagine: a team of people with genuine experience in hiring great staff, with fantastic contacts books, and taking the role of a trusted friend to guide us through advertising, filtering, selecting and engaging the right people. It'd be fantastic. We'd pay good money for that. Unfortunately, that's not how most recruitment agencies work in reality.

I have experience with working with recruitment consultants from both sides. Before I started freelancing in Drupal full time I was running a digital music startup. As a successful startup we experienced fast growth, and didn't have the resources in-house to do thorough candidate searches. We used a couple of recruitment consultants and were consistently disappointed. Candidates were misrepresented, to the point where one didn't recognise his own CV in an interview.

On the other side, as a candidate, I do not use agencies for work. One experience in particular put me off for many years.

I interviewed for a position, but decided after the first interview that, although the opportunity was interesting, I knew I was not the right candidate. The company wanted to invite me back for a second interview, but I told the consultant that I was not interested, and explained my reasons. Unfortunately, the consultant would not take no for an answer, and I was subjected to a week of harassment (to the point of bullying) over my decision.

In We Don't Use Recruitment Agents, Steve Parks tells of a "bait and switch" operation where developers had been approached by recruitment agencies saying that they had been engaged by Wunderroot to headhunt (the bait) in order to get someone interested, but then saying the position was filled and proposing other positions (the switch).

I'm not sure if it's the same dirty tactic in operation, but I have heard in the past of an employer receiving my CV from an agency claiming to represent me. The employer knew me directly, so checked, and they had an out-of-date CV that I had given to the agency for a different opportunity previously. This came up in conversation at a Drupal meetup and it was suggested that this is probably not a mistake as other developers had heard of it happening too.

The extreme of recruiters' tricks are documented in this old post from Kernel Mag in which Consol Partners are accused of "telling outrageous lies to candidates and start-ups".

In a post on recruiting trends ERE suggest that, in an era when candidate sourcing is becoming easier as everyone is "findable" on the internet, recruiters should "shift toward improving the various selling components of recruiting". I'm not sure exactly what they mean by 'selling components' but I would beg recruitment agencies not to do this, and instead focus on providing value.

Recruiters - Do This:

Here's a short TODO list for recruiters:

  • Clean up your industry: Get rid of the deception and bullying.
  • Provide genuine value (c.f. Steve Parks quote above).
Until then...

If you're a reputable company looking to source Drupal developers, or you are a Drupal developer working in London or the UK, get in touch. I'm starting a free job board on DrupalDeveloper.co.uk.

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Dirk Eddelbuettel: RcppBDT 0.2.3

Planet Debian - lun, 14/04/2014 - 00:01
A new release of the RcppBDT package is now on CRAN.

Several new modules were added; the package can now work on dates, date durations, "ptime" (aka posix time), and timezones. Most interesting may be the fact that ptime is configured to use 96 bits. This allows a precise representation of dates and times down to nanoseconds, and permits date and time calculations at this level.

The complete NEWS entry is below:

Changes in version 0.2.3 (2014-04-13)
  • New module 'bdtDt' replacing the old 'bdtDate' module in a more transparent style using a local class which is wrapped, just like the three other new classes do

  • New module 'bdtTd' providing date durations which can be added to dates.

  • New module 'bdtTz' providing time zone information such as offset to UTC, amount of DST, abbreviated and full timezone names.

  • New module 'bdtDu' using 'posix_time::duration' for time durations types

  • New module 'bdtPt' using 'posix_time::ptime' for posix time, down to nanosecond granularity (where hardware and OS permit it)

  • Now selects C++11 compilation by setting CXX_STD = CXX11 in src/Makevars* and hence depend on R 3.1.0 or later – this gives gives us long long needed for the nano-second high-resolution time calculations across all builds and platforms.

Courtesy of CRANberries, there is also a diffstat report for the lastest release. As always, feedback is welcome and the rcpp-devel mailing list off the R-Forge page for Rcpp is the best place to start a discussion.

This post by Dirk Eddelbuettel originated on his Thinking inside the box blog. Please report excessive re-aggregation in third-party for-profit settings.

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Jeff Licquia: My Heart Bleeds (or, What’s Going On With Heartbleed)

Planet Debian - dim, 13/04/2014 - 21:19
[en]

One of the big news stories of the week has been “the Heartbleed bug“.  If you know a techie person, you might have noticed that person looking a bit more stressed and tired than usual since Monday (that was certainly true of me).  Some of the discussion might seem a bit confusing and/or scary; what’s worse, the non-tech press has started getting some of the details wrong and scare-mongering for readers.

So here’s my non-techie guide to what all the fuss is about.  If you’re a techie, this advice isn’t for you; chances are, you already know what you should be doing to help fix this.

(If you’re a techie and you don’t know, ask!  You might just need a little education on what needs to happen, and there’s nothing wrong with that, but you’ll be better off asking and possibly looking foolish than you will be if you get hacked.)

If you’re not inclined to read the whole thing, here are the important points:

  • Don’t panic!  There are reports of people cleaning out their bank accounts, cutting off their Internet service, buying new computers, etc.  If you’re thinking about doing anything drastic because you’re scared of Heartbleed, don’t.
  • You’ll probably need to change a lot of your passwords on various sites, but wait until each site you use tells you to.
  • This is mostly a problem for site servers, not PCs or phones or tablets.  Unless you’re doing something unusual (and you’d know if you were), you’re fine as long as you update your devices like you usually do.  (You do update your devices, right?)
So what happened?

There’s a notion called a “heartbeat signal”, where two computers talking to each other say “Hey, you there?” every so often. This is usually done by computer #1 sending some bit of data to computer #2, and computer #2 sending it back. In this particular situation, the two computers actually send both a bit of data and the length of that bit of data.

Some of you might be asking “so what happens if computer #1 sends a little bit of data, but lies and says the data is a lot longer than that?” In a perfect world, computer #2 would scold computer #1 for lying, and that’s what happens now with the bug fix. But before early this week, computer #2 would just trust computer #1 in one very specific case.

Now, computers use memory to keep track of stuff they’re working on, and they’re constantly asking for memory and then giving it back when they’re done, so it can be used by something else.  So, when you ask for memory, the bit of memory you get might have the results of what the program was doing just a moment ago–things like decrypting a credit card using a crypto key, or checking a password.

This isn’t normally a problem, since it’s the same program getting its own memory back.  But if it’s using this memory to keep track of these heartbeats, and it’s been tricked into thinking it needs to send back “the word HAT, which is 500 characters long“, then character 4 and following is likely to be memory used for something just a moment ago.

Most of that “recycled memory” would be undecipherable  junk. But credit cards, crypto keys, and passwords tend to be fairly easy to pick out, unfortunately.

And that, by the way, is where the name comes from: the heartbeat signal bleeds data, so “Heartbleed”.  There’s been some fascinating commentary on how well this bug has been marketed, by the way; hopefully, we in the techie community will learn something about how to explain problems like this for future incidents.

Does this affect every site?

No.  Only sites using certain newer versions of crypographic software called “OpenSSL” are affected by this.  OpenSSL is very popular; I’ve seen estimates that anywhere from a third to a half of all secure Internet sites use it.  But not all of those sites will have the bug, since it was only introduced in the last two years.

How do we know this?  OpenSSL is open source, and is developed “in public”.  Because of that, we know the exact moment when the bug was introduced, when it was released to the world, and when it was fixed.

(And, just for the record, it was an honest mistake.  Don’t go and slam on the poor guy who wrote the code with the bug.  It should have been caught by a number of different people, and none of them noticed it, so it’s a lot more complicated than “it’s his fault!  pitchforks and torches!”)

What should I do?

Nothing, yet.  Right now, this is mostly a techie problem.

Remember that bit about crypto keys?  That’s the part which puts the little lock icon next to the URL in your browser when you go to your bank’s Web site, or to Amazon to buy things, or whatever.  The crypto keys make sure that your conversation with your bank about your balance is just between you and your bank.

That’s also the part which is making techies the world over a little more stressed and tired.  You see, we know that the people who found the bug were “good guys” and helped to get the bug fixed, but we don’t know if any “bad guys” found the bug before this week.  And if a “bad guy” used the bug to extract crypto keys, they would still have those crypto keys, and could still use them even though the original bug is fixed.  That would mean that a “bad guy” could intercept your conversation with your bank / Amazon / whoever.

Since we don’t know, we have to do the safe thing, and assume that all our keys were in fact stolen,  That means we have to redo all our crypto keys.  That’s a lot of work.

And because your password is likely protected with those same crypto keys, if a “bad guy” has Amazon’s key, they’d be able to watch you change your password at Amazon.  Maybe they didn’t even have your old password, but now they have your new one.  Oops.  You’re now less secure than you were.

Now, it’s important to make sure we’re clear: we don’t know that this has happened.  There’s really no way of knowing, short of actually catching a “bad guy” in the act, and we haven’t caught anyone–yet.  So, this is a safety measure.

Thus, the best thing to do is: don’t panic.  Continue to live life as usual.  It might be prudent to put off doing some things for a few days, but I wouldn’t even worry so much about that.  If you pay your bills online, for example, don’t risk paying a bill late out of fear.  Remember: so far, we have no evidence yet that anyone’s actually doing anything malicious with this bug.

At some point, a lot of sites are going to post a notice that looks a lot like this:

We highly recommend our users change the password on their Linux Foundation ID—which is used for the logins on most Linux Foundation sites, including our community site, Linux.com—for your own security and as part of your own comprehensive effort to update and secure as many of your online credentials as you can.

(That’s the notice my employer posted once we had our site in order.)

That will be your cue that they’ve done the work to redo their crypto keys, and that it’s now safe to change your password.

A lot of sites will make statements saying, essentially, “we don’t have a problem”.  They’re probably right.  Don’t second-guess them; just exhale, slowly, and tick that site off your list of things to worry about.

Other sites might not say anything.  That’s the most worrying part, because it’s hard to tell if they’re OK or not.  If it’s an important site to you, the best course of action might be to just ask, or search on Google / Bing / DuckDuckGo / wherever for some kind of statement.

What about your site?

Yup, I use OpenSSL, and I was vulnerable.  But I’m the only person who actually logs in to anything on this site.  I’ve got the bugfix, but I’m still in the process of creating new keys.

Part of the problem is that everyone else is out there creating new keys at the same time, which creates a bit of a traffic jam.

So yeah, if you were thinking of posting your credit card number in a comment, and wanted to make sure you did it securely… well, don’t do that.  EVER.  And not because of Heartbleed.

Catégories: Elsewhere

Andreas Metzler: balance sheet snowboarding season 2013/14

Planet Debian - dim, 13/04/2014 - 19:03

Little snow, but above-average season. The macro weather situation was very stable this year, very high snowfall in Austria's south (eastern tyrol and carinthia), and long periods of warm and sunny weather with little precipitation on the northern side of the alps (i.e. us).

This had me going snowboarding a lot, but almost exclusively in Damüls since it is characterized by a) grassy terrain (no stones) and b) huge numbers of snow cannons.

I started early (December 7) with another 6 days on piste in December. If there had been more snow the season would have been a long one, too. - Season's end depends on the timimg of easter (because of the holidays) which would have been late. However I again stopped rather early, last day was March 30.

In addition to the days listed below I had an early season's opening at the glacier in Pitztal. I attended the pureboarding in November (21st to 23rd). Looking back at the season I am not quite satisfied with my progress, I just have not managed to implement and practise the technique I should have learned there. It is next to impossible when the slopes are full, and when they aren't one likes to give it a run. ;-)

Here is the balance sheet:

2005/06 2006/07 2007/08 2008/09 2009/10 2010/11 2011/12 2012/13 2013/14 number of (partial) days251729373030252330 Damüls1010510162310429 Diedamskopf154242313414191 Warth/Schröcken030413100 total meters of altitude12463474096219936226774202089203918228588203562274706 highscore10247m8321m12108m11272m11888m10976m13076m13885m12848m # of runs309189503551462449516468597
Catégories: Elsewhere

Gábor Hojtsy: The NYC Camp Drupal 8 Multilingual session that wasn't

Planet Drupal - dim, 13/04/2014 - 16:54

Did you expect to see how Drupal 8 improves multilingual tasks at NYC Camp? Well, bad luck! I'd like to apologise in place of the NYC Camp team for their messing up the schedule yesterday and their lack of communication following. I was told to set up for my presentation in a room that was not even meant to be a presentation room, let alone my presentation room, even though it was confirmed by several volunteers coming to the room. Later on yesterday, several people asked me why I did not show up for my session. I did.

The good news is that I delivered this talk before, and although the latest recorded copy is definitely not as up to date as the one I worked on for NYC Camp, you can watch it here (fast forward to 12:04 to the start of the presentation itself):

I would have loved to talk to you, bring you all the good news, answer your questions and hopefully inspire you to join our efforts. I did not get a chance this time. Hope to catch up with you sometime later at other events!

Catégories: Elsewhere

C.J. Adams-Collier: When was the last time you upgraded from squeeze to wheezy?

Planet Debian - dim, 13/04/2014 - 06:30

Wow. 3G delta. I haven’t booted this laptop for a while… I think I’m finally ready to make the move from gnome2 to gnome3. There are bits that still annoy me, but I think it’s off to a good start. Upgrading perl from 5.10 to 5.14.

cjac@calcifer:~$ sudo apt-get dist-upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The following packages will be REMOVED: at-spi capplets-data compiz compiz-gnome compiz-gtk defoma deskbar-applet g++-4.3 gcc-4.3 gcj-4.4-base gcj-4.4-jre gcj-4.4-jre-headless gcj-4.4-jre-lib gdm3 gir1.0-clutter-1.0 gir1.0-freedesktop gir1.0-glib-2.0 gir1.0-gstreamer-0.10 gir1.0-gtk-2.0 gir1.0-json-glib-1.0 glade-gnome gnome-about gnome-accessibility gnome-applets gnome-core gnome-panel gnome-utils-common lib32readline5-dev libbrasero-media0 libclass-mop-perl libdb4.7-java libdb4.8-dev libdevhelp-1-1 libdigest-sha1-perl libdirectfb-dev libebook1.2-9 libecal1.2-7 libedata-book1.2-2 libedata-cal1.2-7 libedataserverui1.2-8 libepc-1.0-2 libepc-ui-1.0-2 libept1 libgcj10 libgcj10-awt libgd2-noxpm libgstfarsight0.10-0 libgtkhtml-editor0 libjpeg62-dev libmetacity-private0 libmono-accessibility1.0-cil libmono-bytefx0.7.6.1-cil libmono-cairo1.0-cil libmono-cil-dev libmono-corlib1.0-cil libmono-cscompmgd7.0-cil libmono-data-tds1.0-cil libmono-data1.0-cil libmono-debugger-soft0.0-cil libmono-getoptions1.0-cil libmono-i18n-west1.0-cil libmono-i18n1.0-cil libmono-ldap1.0-cil libmono-microsoft7.0-cil libmono-npgsql1.0-cil libmono-oracle1.0-cil libmono-peapi1.0-cil libmono-posix1.0-cil libmono-relaxng1.0-cil libmono-security1.0-cil libmono-sharpzip0.6-cil libmono-sharpzip0.84-cil libmono-sqlite1.0-cil libmono-system-data1.0-cil libmono-system-ldap1.0-cil libmono-system-messaging1.0-cil libmono-system-runtime1.0-cil libmono-system-web1.0-cil libmono-system1.0-cil libmono-webbrowser0.5-cil libmono-winforms1.0-cil libmono1.0-cil libmtp8 libnautilus-extension1 libpango1.0-common libperl5.10 libpolkit-gtk-1-0 libpulse-browse0 librpm1 librpmbuild1 libsdl1.2-dev libsdl1.2debian-pulseaudio libseed0 libstdc++6-4.3-dev libtelepathy-farsight0 libupnp3 libvlccore4 libxmlrpc-c3 linphone-nox linux-headers-2.6.32-5-amd64 linux-sound-base metacity mono-2.0-devel mono-devel mysql-client-5.1 mysql-query-browser mysql-server-5.1 mysql-server-core-5.1 openoffice.org-base-core openoffice.org-core openoffice.org-gcj openoffice.org-report-builder-bin openoffice.org-style-andromeda php5-suhosin portmap python-beagle python-brasero python-docky python-encutils python-evince python-gnomeapplet python-gtop python-mediaprofiles python-metacity python-totem-plparser seahorse-plugins smbfs speedbar totem-coherence tqsllib1c2a unixcw vlc xserver-xorg-video-nv The following NEW packages will be installed: accountsservice acl aisleriot apg aptdaemon-data aptitude-common asterisk-core-sounds-en asterisk-modules asterisk-moh-opsound-gsm at-spi2-core ax25-node bluez btrfs-tools caribou caribou-antler chromium chromium-inspector colord console-setup console-setup-linux cpp-4.6 cpp-4.7 crda cryptsetup-bin cups-filters db-util db5.1-util dconf-gsettings-backend dconf-service dconf-tools distro-info-data docutils-common docutils-doc enchant extlinux finger folks-common fonts-cantarell fonts-droid fonts-freefont-ttf fonts-horai-umefont fonts-lg-aboriginal fonts-liberation fonts-lyx fonts-opensymbol fonts-sil-gentium fonts-sil-gentium-basic fonts-sipa-arundina fonts-stix fonts-takao fonts-takao-gothic fonts-takao-mincho fonts-thai-tlwg fonts-tlwg-garuda fonts-tlwg-kinnari fonts-tlwg-loma fonts-tlwg-mono fonts-tlwg-norasi fonts-tlwg-purisa fonts-tlwg-sawasdee fonts-tlwg-typewriter fonts-tlwg-typist fonts-tlwg-typo fonts-tlwg-umpush fonts-tlwg-waree fonts-umeplus fuse g++-4.7 g++-4.7-multilib gcc-4.6 gcc-4.6-base gcc-4.7 gcc-4.7-base gcc-4.7-multilib gcj-4.7-base gcj-4.7-jre gcj-4.7-jre-headless gcj-4.7-jre-lib gconf-service gcr gir1.2-accountsservice-1.0 gir1.2-atk-1.0 gir1.2-atspi-2.0 gir1.2-caribou-1.0 gir1.2-clutter-1.0 gir1.2-clutter-gst-1.0 gir1.2-cogl-1.0 gir1.2-coglpango-1.0 gir1.2-evince-3.0 gir1.2-folks-0.6 gir1.2-freedesktop gir1.2-gck-1 gir1.2-gconf-2.0 gir1.2-gcr-3 gir1.2-gdesktopenums-3.0 gir1.2-gdkpixbuf-2.0 gir1.2-gee-1.0 gir1.2-gkbd-3.0 gir1.2-glib-2.0 gir1.2-gmenu-3.0 gir1.2-gnomebluetooth-1.0 gir1.2-gnomekeyring-1.0 gir1.2-gst-plugins-base-0.10 gir1.2-gstreamer-0.10 gir1.2-gtk-3.0 gir1.2-gtkclutter-1.0 gir1.2-gtksource-3.0 gir1.2-gtop-2.0 gir1.2-gucharmap-2.90 gir1.2-javascriptcoregtk-3.0 gir1.2-json-1.0 gir1.2-mutter-3.0 gir1.2-networkmanager-1.0 gir1.2-notify-0.7 gir1.2-panelapplet-4.0 gir1.2-pango-1.0 gir1.2-peas-1.0 gir1.2-polkit-1.0 gir1.2-rb-3.0 gir1.2-soup-2.4 gir1.2-telepathyglib-0.12 gir1.2-telepathylogger-0.2 gir1.2-totem-1.0 gir1.2-totem-plparser-1.0 gir1.2-upowerglib-1.0 gir1.2-vte-2.90 gir1.2-webkit-3.0 gir1.2-wnck-3.0 gir1.2-xkl-1.0 git-man gjs gkbd-capplet glchess glib-networking glib-networking-common glib-networking-services glines gnect gnibbles gnobots2 gnome-bluetooth gnome-contacts gnome-control-center-data gnome-desktop3-data gnome-font-viewer gnome-icon-theme-extras gnome-icon-theme-symbolic gnome-online-accounts gnome-packagekit gnome-packagekit-data gnome-shell gnome-shell-common gnome-sudoku gnome-sushi gnome-themes-standard gnome-themes-standard-data gnome-user-share gnome-video-effects gnomine gnotravex gnotski gnuplot gnuplot-nox grilo-plugins-0.1 groff growisofs gsettings-desktop-schemas gstreamer0.10-gconf gtali guile-2.0-libs gvfs-common gvfs-daemons gvfs-libs hardening-includes hwdata iagno ienglish-common imagemagick-common ioquake3 ioquake3-server iputils-tracepath ipxe-qemu iw keyutils kmod krb5-locales lib32itm1 lib32quadmath0 lib32tinfo-dev lib32tinfo5 libaacplus2 libaacs0 libabiword-2.9 libaccountsservice0 libamd2.2.0 libapache-pom-java libapol4 libapt-inst1.5 libapt-pkg4.12 libaqbanking-plugins-libgwenhywfar60 libaqbanking34 libaqbanking34-plugins libaqhbci20 libaqofxconnect7 libarchive12 libasprintf0c2 libassuan0 libatk-adaptor libatk-adaptor-data libatk-bridge2.0-0 libatkmm-1.6-1 libatkmm-1.6-dev libatspi2.0-0 libaudiofile1 libavahi-ui-gtk3-0 libavcodec53 libavcodec54 libavformat53 libavformat54 libavutil51 libbabl-0.1-0 libbind9-80 libbison-dev libblas3 libbluray1 libboost-iostreams1.49.0 libboost-program-options1.49.0 libboost-python1.49.0 libboost-serialization1.49.0 libboost-thread1.49.0 libbrasero-media3-1 libcairo-gobject2 libcairo-script-interpreter2 libcamel-1.2-33 libcanberra-dev libcanberra-gtk3-0 libcanberra-gtk3-module libcanberra-pulse libcapi20-3 libcaribou-common libcaribou-gtk-module libcaribou-gtk3-module libcaribou0 libccrtp0 libcdio-cdda1 libcdio-paranoia1 libcdio13 libcfg4 libchamplain-0.12-0 libchamplain-gtk-0.12-0 libcheese-gtk21 libcheese3 libclass-factory-util-perl libclass-isa-perl libclass-load-perl libclass-load-xs-perl libclutter-1.0-common libclutter-gst-1.0-0 libclutter-gtk-1.0-0 libclutter-imcontext-0.1-0 libclutter-imcontext-0.1-bin libcluttergesture-0.0.2-0 libcmis-0.2-0 libcogl-common libcogl-pango0 libcogl9 libcolord1 libcommons-parent-java libconfdb4 libcoroipcc4 libcoroipcs4 libcpg4 libcryptsetup4 libcrystalhd3 libcupsfilters1 libcw3 libdata-alias-perl libdatetime-format-builder-perl libdatetime-format-iso8601-perl libdb-java libdb5.1 libdb5.1-dev libdb5.1-java libdb5.1-java-jni libdbus-c++-1-0 libdbus-glib1.0-cil libdbus1.0-cil libdconf0 libdee-1.0-4 libdevel-partialdump-perl libdevhelp-3-0 libdevmapper-event1.02.1 libdistro-info-perl libdmapsharing-3.0-2 libdns88 libdotconf1.0 libdvbpsi7 libebackend-1.2-2 libebml3 libebook-1.2-13 libecal-1.2-11 libecore1 libedata-book-1.2-13 libedata-cal-1.2-15 libedataserver-1.2-16 libedataserverui-3.0-1 libeina1 libemail-valid-perl libencode-locale-perl libepc-1.0-3 libepc-ui-1.0-3 libept1.4.12 libescpr1 libev4 libeval-closure-perl libevdocument3-4 libevent-2.0-5 libevent-perl libevs4 libevview3-3 libexiv2-12 libexosip2-7 libexporter-lite-perl libexttextcat-data libexttextcat0 libfakechroot libfarstream-0.1-0 libfdk-aac0 libfdt1 libfile-basedir-perl libfile-desktopentry-perl libfile-fcntllock-perl libfile-listing-perl libfile-mimeinfo-perl libfltk-images1.3 libfltk1.3 libfolks-eds25 libfolks-telepathy25 libfolks25 libfont-afm-perl libgail-3-0 libgcj13 libgcj13-awt libgck-1-0 libgconf-2-4 libgconf2-doc libgcr-3-1 libgcr-3-common libgd2-xpm libgdata13 libgdata2.1-cil libgdict-common libgdk-pixbuf2.0-0 libgdk-pixbuf2.0-common libgdk-pixbuf2.0-dev libgegl-0.2-0 libgeocode-glib0 libgettextpo0 libgexiv2-1 libgirepository-1.0-1 libgjs0b libgkeyfile1.0-cil libgladeui-2-0 libgladeui-common libglapi-mesa libglew1.7 libglib2.0-bin libgmime-2.6-0 libgmime2.6-cil libgmp10 libgnome-bluetooth10 libgnome-desktop-3-2 libgnome-keyring-common libgnome-media-profiles-3.0-0 libgnome-menu-3-0 libgnomekbd7 libgnutls-openssl27 libgnutlsxx27 libgoa-1.0-0 libgoa-1.0-common libgphoto2-l10n libgraphite2-2.0.0 libgrilo-0.1-0 libgs9 libgs9-common libgssdp-1.0-3 libgstreamer-plugins-bad0.10-0 libgtk-3-0 libgtk-3-bin libgtk-3-common libgtk-3-dev libgtk-3-doc libgtk-sharp-beans-cil libgtk-vnc-2.0-0 libgtkhtml-4.0-0 libgtkhtml-4.0-common libgtkhtml-editor-4.0-0 libgtkmm-3.0-1 libgtksourceview-3.0-0 libgtksourceview-3.0-common libgucharmap-2-90-7 libgudev1.0-cil libgupnp-1.0-4 libgupnp-av-1.0-2 libgupnp-igd-1.0-4 libgusb2 libgvnc-1.0-0 libgweather-3-0 libgwenhywfar-data libgwenhywfar60 libgxps2 libhcrypto4-heimdal libheimbase1-heimdal libhtml-form-perl libhtml-format-perl libhttp-cookies-perl libhttp-daemon-perl libhttp-date-perl libhttp-message-perl libhttp-negotiate-perl libhunspell-1.3-0 libicu48 libimobiledevice2 libio-aio-perl libisc84 libisccc80 libisccfg82 libiscsi1 libiso9660-8 libisoburn1 libitm1 libjavascriptcoregtk-1.0-0 libjavascriptcoregtk-3.0-0 libjbig0 libjs-sphinxdoc libjs-underscore libjson0 libjte1 libkadm5clnt-mit8 libkadm5srv-mit8 libkarma0 libkdb5-6 libkmod2 libkpathsea6 liblapack3 liblavfile-2.0-0 liblavjpeg-2.0-0 liblavplay-2.0-0 liblcms2-2 liblensfun-data liblensfun0 liblinear-tools liblinear1 liblinphone4 liblockfile-bin liblogsys4 liblvm2app2.2 liblwp-mediatypes-perl liblwp-protocol-https-perl liblwres80 liblzma5 libmaa3 libmagick++5 libmagickcore5 libmagickcore5-extra libmagickwand5 libmath-bigint-perl libmath-round-perl libmatroska5 libmediastreamer1 libmhash2 libminiupnpc5 libmission-control-plugins0 libmjpegutils-2.0-0 libmodule-implementation-perl libmodule-runtime-perl libmono-2.0-1 libmono-2.0-dev libmono-accessibility4.0-cil libmono-cairo4.0-cil libmono-codecontracts4.0-cil libmono-compilerservices-symbolwriter4.0-cil libmono-corlib4.0-cil libmono-csharp4.0-cil libmono-custommarshalers4.0-cil libmono-data-tds4.0-cil libmono-debugger-soft2.0-cil libmono-debugger-soft4.0-cil libmono-http4.0-cil libmono-i18n-cjk4.0-cil libmono-i18n-mideast4.0-cil libmono-i18n-other4.0-cil libmono-i18n-rare4.0-cil libmono-i18n-west4.0-cil libmono-i18n4.0-all libmono-i18n4.0-cil libmono-ldap4.0-cil libmono-management4.0-cil libmono-messaging-rabbitmq4.0-cil libmono-messaging4.0-cil libmono-microsoft-build-engine4.0-cil libmono-microsoft-build-framework4.0-cil libmono-microsoft-build-tasks-v4.0-4.0-cil libmono-microsoft-build-utilities-v4.0-4.0-cil libmono-microsoft-csharp4.0-cil libmono-microsoft-visualc10.0-cil libmono-microsoft-web-infrastructure1.0-cil libmono-npgsql4.0-cil libmono-opensystem-c4.0-cil libmono-oracle4.0-cil libmono-peapi4.0-cil libmono-posix4.0-cil libmono-rabbitmq4.0-cil libmono-relaxng4.0-cil libmono-security4.0-cil libmono-sharpzip4.84-cil libmono-simd4.0-cil libmono-sqlite4.0-cil libmono-system-componentmodel-composition4.0-cil libmono-system-componentmodel-dataannotations4.0-cil libmono-system-configuration-install4.0-cil libmono-system-configuration4.0-cil libmono-system-core4.0-cil libmono-system-data-datasetextensions4.0-cil libmono-system-data-linq4.0-cil libmono-system-data-services-client4.0-cil libmono-system-data-services4.0-cil libmono-system-data4.0-cil libmono-system-design4.0-cil libmono-system-drawing-design4.0-cil libmono-system-drawing4.0-cil libmono-system-dynamic4.0-cil libmono-system-enterpriseservices4.0-cil libmono-system-identitymodel-selectors4.0-cil libmono-system-identitymodel4.0-cil libmono-system-ldap4.0-cil libmono-system-management4.0-cil libmono-system-messaging4.0-cil libmono-system-net4.0-cil libmono-system-numerics4.0-cil libmono-system-runtime-caching4.0-cil libmono-system-runtime-durableinstancing4.0-cil libmono-system-runtime-serialization-formatters-soap4.0-cil libmono-system-runtime-serialization4.0-cil libmono-system-runtime4.0-cil libmono-system-security4.0-cil libmono-system-servicemodel-discovery4.0-cil libmono-system-servicemodel-routing4.0-cil libmono-system-servicemodel-web4.0-cil libmono-system-servicemodel4.0-cil libmono-system-serviceprocess4.0-cil libmono-system-transactions4.0-cil libmono-system-web-abstractions4.0-cil libmono-system-web-applicationservices4.0-cil libmono-system-web-dynamicdata4.0-cil libmono-system-web-extensions-design4.0-cil libmono-system-web-extensions4.0-cil libmono-system-web-routing4.0-cil libmono-system-web-services4.0-cil libmono-system-web4.0-cil libmono-system-windows-forms-datavisualization4.0-cil libmono-system-windows-forms4.0-cil libmono-system-xaml4.0-cil libmono-system-xml-linq4.0-cil libmono-system-xml4.0-cil libmono-system4.0-cil libmono-tasklets4.0-cil libmono-web4.0-cil libmono-webbrowser2.0-cil libmono-webbrowser4.0-cil libmono-webmatrix-data4.0-cil libmono-windowsbase4.0-cil libmount1 libmozjs10d libmozjs17d libmozjs185-1.0 libmpeg2encpp-2.0-0 libmplex2-2.0-0 libmtdev1 libmtp-common libmtp-runtime libmtp9 libmupen64plus2 libmusicbrainz-discid-perl libmusicbrainz5-0 libmutter0 libmx-1.0-2 libmx-bin libmx-common libmysqlclient18 libnatpmp1 libnautilus-extension1a libnet-domain-tld-perl libnet-http-perl libnet-ip-minimal-perl libnetcf1 libnetfilter-conntrack3 libnettle4 libnewtonsoft-json4.5-cil libnice10 libnl-3-200 libnl-genl-3-200 libnl-route-3-200 libnm-glib4 libnm-gtk-common libnm-gtk0 libnm-util2 libnotify4 libnspr4 libnss-winbind libnss3 libnuma1 libnunit2.6-cil liboauth0 libodbc1 liboobs-1-5 libopal3.10.4 libopenal-data libopus0 libosip2-7 libp11-2 libp11-kit-dev libp11-kit0 libpackage-stash-xs-perl libpackagekit-glib2-14 libpam-cap libpam-modules-bin libpam-winbind libpanel-applet-4-0 libparams-classify-perl libpcre3-dev libpcrecpp0 libpeas-1.0-0 libpeas-common libperl5.14 libpipeline1 libpload4 libpodofo0.9.0 libpoe-component-resolver-perl libpoppler-glib8 libpoppler19 libportsmf0 libpostproc52 libprocps0 libpst4 libpt2.10.4 libptexenc1 libpython2.7 libqt4-declarative libqtassistantclient4 libqtdbus4 libqtwebkit4 libquadmath0 libquicktime2 libquorum4 libquvi-scripts libquvi7 libraptor2-0 librasqal3 libraw5 libregexp-reggrp-perl libreoffice libreoffice-base libreoffice-base-core libreoffice-calc libreoffice-common libreoffice-core libreoffice-draw libreoffice-emailmerge libreoffice-evolution libreoffice-filter-binfilter libreoffice-filter-mobiledev libreoffice-gnome libreoffice-gtk libreoffice-help-en-us libreoffice-impress libreoffice-java-common libreoffice-math libreoffice-officebean libreoffice-report-builder-bin libreoffice-style-galaxy libreoffice-style-tango libreoffice-writer libresid-builder0c2a librest-0.7-0 librest-extras-0.7-0 librhythmbox-core6 librpm3 librpmbuild3 librpmio3 librpmsign1 libruby1.9.1 libsaamf3 libsackpt3 libsaclm3 libsaevt3 libsalck3 libsam4 libsamsg4 libsane-common libsane-extras-common libsatmr3 libsbsms10 libseed-gtk3-0 libsidplay2 libsigsegv2 libsocialweb-client2 libsocialweb-common libsocialweb-service libsocialweb0 libsocket-getaddrinfo-perl libsocket-perl libsonic0 libsoundtouch0 libsox2 libspeechd2 libspice-client-glib-2.0-1 libspice-client-gtk-2.0-1 libspice-server1 libssl-doc libssl1.0.0 libstdc++6-4.7-dev libsvm-tools libswitch-perl libswscale2 libsystemd-daemon0 libsystemd-login0 libtagc0 libtelepathy-farstream2 libtelepathy-logger2 libtest-warn-perl libtinfo-dev libtinfo5 libtirpc1 libtokyocabinet9 libtotem-pg4 libtotem0 libtqsllib1 libtracker-sparql-0.14-0 libtree-dagnode-perl libts-dev libucommon5 libumfpack5.4.0 libunique-3.0-0 libupnp6 libusbredirhost1 libusbredirparser0 libv4lconvert0 libverto-libev1 libverto1 libvisio-0.0-0 libvlccore5 libvo-aacenc0 libvo-amrwbenc0 libvorbisidec1 libvotequorum4 libvpx1 libvte-2.90-9 libvte-2.90-common libwacom-common libwacom2 libwebkitgtk-1.0-0 libwebkitgtk-1.0-common libwebkitgtk-3.0-0 libwebkitgtk-3.0-common libwebp2 libwebrtc-audio-processing-0 libwildmidi-config libwireshark-data libwireshark2 libwiretap2 libwnck-3-0 libwnck-3-common libwpd-0.9-9 libwpg-0.2-2 libwps-0.2-2 libwsutil2 libwv-1.2-4 libwww-robotrules-perl libx11-doc libx11-protocol-perl libx264-123 libx264-124 libx264-130 libx264-132 libxalan2-java libxcb-composite0 libxcb-glx0 libxcb-shape0 libxcb-shm0-dev libxcb-util0 libxen-4.1 libxml-commons-external-java libxml-commons-resolver1.1-java libxml-sax-base-perl libxmlrpc-c++4 libxmlrpc-core-c3 libxz-java libyajl2 libyaml-0-2 libyaml-perl libyelp0 libzrtpcpp2 libzvbi-common libzvbi0 lightsoff linphone-nogtk linux-headers-3.2.0-4-amd64 linux-headers-3.2.0-4-common linux-headers-amd64 linux-image-3.2.0-4-amd64 linux-image-amd64 linux-kbuild-3.2 live-boot-doc live-config-doc live-manual-html mahjongg memtest86+ minissdpd mono-4.0-gac mono-dmcs mscompress multiarch-support mupen64plus-audio-all mupen64plus-audio-sdl mupen64plus-data mupen64plus-input-all mupen64plus-input-sdl mupen64plus-rsp-all mupen64plus-rsp-hle mupen64plus-rsp-z64 mupen64plus-ui-console mupen64plus-video-all mupen64plus-video-arachnoid mupen64plus-video-glide64 mupen64plus-video-rice mupen64plus-video-z64 mutter-common mysql-client-5.5 mysql-server-5.5 mysql-server-core-5.5 mythes-en-us openarena-081-maps openarena-081-misc openarena-081-players openarena-081-players-mature openarena-081-textures openarena-085-data openarena-088-data packagekit packagekit-backend-aptcc packagekit-tools planner-data planner-doc poppler-data printer-driver-all printer-driver-c2050 printer-driver-c2esp printer-driver-cjet printer-driver-escpr printer-driver-foo2zjs printer-driver-gutenprint printer-driver-hpcups printer-driver-hpijs printer-driver-m2300w printer-driver-min12xxw printer-driver-pnm2ppa printer-driver-postscript-hp printer-driver-ptouch printer-driver-pxljr printer-driver-sag-gdi printer-driver-splix psutils python-aptdaemon.gtk3widgets python-aptdaemon.gtkwidgets python-bzrlib python-dbus-dev python-debianbts python-defer python-dnspython python-fpconst python-gi python-gi-cairo python-gi-dev python-gobject-2 python-gobject-2-dev python-keyring python-launchpadlib python-lazr.restfulclient python-lazr.uri python-liblarch python-liblarch-gtk python-magic python-oauth python-packagekit python-pyatspi2 python-pyparsing python-repoze.lru python-routes python-setools python-simplejson python-soappy python-speechd python-spice-client-gtk python-wadllib python-webob python-zeitgeist python2.7 python2.7-dev python2.7-minimal qdbus quadrapassel remmina-common rhythmbox-data rpcbind rtkit ruby ruby1.9.1 shotwell-common smartdimmer software-properties-common sound-theme-freedesktop speech-dispatcher sphinx-common sphinx-doc swell-foop syslinux-themes-debian syslinux-themes-debian-wheezy tdb-tools telepathy-haze telepathy-logger telepathy-rakia tex-gyre ttf-marvosym wireless-regdb xbrlapi xorg-sgml-doctools xorriso xserver-xorg-input-mouse xserver-xorg-input-vmmouse xulrunner-17.0 yelp-xsl zeitgeist-core zenity-common The following packages have been kept back: acroread-debian-files db4.8-util hibernate ia32-libs ia32-libs-gtk libboost-dev libboost-serialization-dev opensc wine The following packages will be upgraded: abcde abiword abiword-common abiword-plugin-grammar abiword-plugin-mathview acpi acpi-fakekey acpi-support acpi-support-base acpid acroread-data acroread-dictionary-en acroread-l10n-en adduser alacarte alsa-base alsa-utils amb-plugins anacron analog ant ant-optional apache2 apache2-doc apache2-mpm-prefork apache2-utils apache2.2-bin apache2.2-common app-install-data apt apt-file apt-utils apt-xapian-index aptdaemon aptitude aqbanking-tools aspell aspell-en asterisk asterisk-config asterisk-core-sounds-en-gsm asterisk-doc asterisk-voicemail astyle at audacity audacity-data augeas-lenses augeas-tools autoconf autoconf-doc automake automake1.9 autopoint autotools-dev avahi-autoipd avahi-daemon avidemux avidemux-common avidemux-plugins aview ax25-tools banshee baobab base-files base-passwd bash bash-completion bc bind9-doc bind9-host bind9utils binfmt-support binutils bison bluez-cups bogofilter bogofilter-bdb bogofilter-common brasero brasero-common bridge-utils browser-plugin-gnash bsd-mailx bsdmainutils bsdutils busybox buzztard buzztard-data bwidget bzip2 bzr bzrtools ca-certificates calibre calibre-bin ccache cd-discid cdebootstrap cdparanoia cdrdao checkpolicy cheese cheese-common chromium-browser chromium-browser-inspector cifs-utils cl-asdf cli-common clisp comerr-dev common-lisp-controller console-common console-data console-tools consolekit coreutils cowbuilder cowdancer cpio cpp cpp-4.4 cpufrequtils cracklib-runtime crawl-common crawl-tiles cron cryptsetup cups cups-bsd cups-client cups-common cups-driver-gutenprint cups-pk-helper cups-ppdc cupsddk curl curlftpfs cvs cw dash dasher dasher-data dbus dbus-x11 dc dcraw dctrl-tools debconf debconf-i18n debhelper debian-archive-keyring debian-faq debian-keyring debianutils debirf debootstrap desktop-base desktop-file-utils devhelp devhelp-common devscripts dialog dict dictionaries-common diffstat diffutils djtools dkms dmidecode dmsetup dnsmasq-base dnsutils doc-debian docbook docbook-dsssl docbook-to-man docbook-utils docbook-xml docbook-xsl docbook-xsl-doc-html docky dosemu dosfstools dpatch dpkg dpkg-dev dput dvd+rw-tools dvi2ps dynagen dynamips e2fslibs e2fsprogs ebtables ed eject ekiga emacs23-bin-common emacs23-common emacs23-nox emacsen-common emdebian-archive-keyring empathy empathy-common eog epiphany-browser epiphany-browser-data epiphany-extensions esound-common espeak espeak-data ethtool evince evince-common evolution evolution-common evolution-data-server evolution-data-server-common evolution-exchange evolution-plugins evolution-webcal exif exiftags exim4 exim4-base exim4-config exim4-daemon-light exiv2 f-spot fakechroot fakeroot fancontrol fceu fcrackzip fdupes feynmf file file-roller finch findutils firmware-iwlwifi firmware-linux-free firmware-linux-nonfree flac flashrom fldigi flex fontconfig fontconfig-config foo2zjs foomatic-db foomatic-db-engine foomatic-db-gutenprint foomatic-filters fping freedesktop-sound-theme freeglut3 freetds-common ftp fuse-utils g++ g++-4.4 g++-4.4-multilib g++-multilib gawk gcalctool gcc gcc-4.4 gcc-4.4-base gcc-4.4-doc gcc-4.4-multilib gcc-doc-base gcc-multilib gcj-jre gcj-jre-headless gconf-defaults-service gconf-editor gconf2 gconf2-common gddrescue gdebi gdebi-core gedit gedit-common gedit-plugins genisoimage geoclue geoclue-hostip geoclue-localnet geoclue-manual geoclue-yahoo geoip-database gettext gettext-base ghostscript ghostscript-cups gimp gimp-data git git-buildpackage git-core git-svn gitk gksu glade gnash gnash-common gnash-opengl gnome-accessibility-themes gnome-applets-data gnome-backgrounds gnome-cards-data gnome-common gnome-control-center gnome-control-center-dev gnome-desktop-data gnome-dictionary gnome-disk-utility gnome-do gnome-do-plugins gnome-doc-utils gnome-games gnome-games-data gnome-games-extra-data gnome-icon-theme gnome-js-common gnome-keyring gnome-mag gnome-media gnome-menus gnome-nettool gnome-orca gnome-panel-data gnome-pkg-tools gnome-power-manager gnome-rdp gnome-screensaver gnome-screenshot gnome-search-tool gnome-session gnome-session-bin gnome-session-canberra gnome-session-common gnome-settings-daemon gnome-settings-daemon-dev gnome-system-log gnome-system-monitor gnome-system-tools gnome-terminal gnome-terminal-data gnome-user-guide gnomint gnu-fdisk gnucash-docs gnuchess gnumeric gnumeric-common gnupg gnupg-agent gocr google-talkplugin gparted gpgv gpredict gpscorrelate grep groff-base grub-common grub-legacy gsfonts-x11 gsmartcontrol gstreamer0.10-alsa gstreamer0.10-buzztard gstreamer0.10-buzztard-doc gstreamer0.10-doc gstreamer0.10-ffmpeg gstreamer0.10-ffmpeg-dbg gstreamer0.10-fluendo-mp3 gstreamer0.10-gnonlin gstreamer0.10-gnonlin-dbg gstreamer0.10-gnonlin-doc gstreamer0.10-nice gstreamer0.10-plugins-bad gstreamer0.10-plugins-bad-dbg gstreamer0.10-plugins-bad-doc gstreamer0.10-plugins-base gstreamer0.10-plugins-base-apps gstreamer0.10-plugins-base-dbg gstreamer0.10-plugins-base-doc gstreamer0.10-plugins-good gstreamer0.10-plugins-good-dbg gstreamer0.10-plugins-good-doc gstreamer0.10-plugins-ugly gstreamer0.10-plugins-ugly-dbg gstreamer0.10-plugins-ugly-doc gstreamer0.10-pulseaudio gstreamer0.10-tools gstreamer0.10-x gtg gthumb gthumb-data gtk2-engines gtk2-engines-pixbuf gucharmap guile-1.6 guile-1.6-libs guile-1.8-libs gvfs gvfs-backends gvfs-bin gzip hal hamster-applet hardinfo hddtemp hdparm hfsprogs hostname hp-ppd hpijs hplip hplip-cups hplip-data htmldoc htmldoc-common iamerican ibritish iceweasel ifupdown ijsgutenprint imagemagick imagemagick-doc info initramfs-tools initscripts inkscape insserv install-info installation-report intltool iotop iproute ipsec-tools iptables iptraf iputils-ping ircd-hybrid irssi isc-dhcp-client isc-dhcp-common isc-dhcp-server iscsitarget-dkms iso-codes ispell jack jadetex java-common jigdo-file keyanalyze keyboard-configuration keychain klibc-utils kpartx krb5-admin-server krb5-auth-dialog krb5-config krb5-doc krb5-kdc krb5-kdc-ldap krb5-multidev krb5-pkinit krb5-user lacheck lame latex-beamer latex-xcolor less lesstif2 lesstif2-dev lib32asound2 lib32bz2-1.0 lib32gcc1 lib32gomp1 lib32ncurses5 lib32ncurses5-dev lib32nss-mdns lib32readline5 lib32stdc++6 lib32v4l-0 lib32z1 lib32z1-dev liba52-0.7.4 libaa1 libaa1-dev libacl1 libaften0 libaiksaurus-1.2-0c2a libaiksaurus-1.2-data libaiksaurusgtk-1.2-0c2a libaio1 libalgorithm-diff-xs-perl libany-moose-perl libanyevent-perl libao-common libao4 libapache-dbi-perl libapache2-mod-apreq2 libapache2-mod-dnssd libapache2-mod-perl2 libapache2-mod-php5 libapache2-mod-python libapache2-request-perl libappconfig-perl libapr1 libapreq2 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap libapt-pkg-perl libaqbanking-data libarchive-zip-perl libart-2.0-2 libart-2.0-dev libart2.0-cil libasn1-8-heimdal libasound2 libasound2-dev libasound2-plugins libaspell15 libass4 libasync-interrupt-perl libasyncns0 libatasmart4 libatk1.0-0 libatk1.0-data libatk1.0-dev libatk1.0-doc libatspi1.0-0 libattr1 libaudio-dev libaudio2 libaudiofile-dev libaudit0 libaugeas0 libavahi-client-dev libavahi-client3 libavahi-common-data libavahi-common-dev libavahi-common3 libavahi-core7 libavahi-glib-dev libavahi-glib1 libavahi-gobject0 libavahi-ui0 libavc1394-0 libax25 libb-hooks-endofscope-perl libb-keywords-perl libbind9-60 libblas3gf libblkid1 libbluetooth3 libbml0 libboo2.0.9-cil libbrlapi0.5 libbs2b0 libbsd0 libburn4 libbusiness-paypal-api-perl libbusiness-tax-vat-validation-perl libbuzztard0 libbz2-1.0 libc-ares2 libc-bin libc-dev-bin libc6 libc6-dev libc6-dev-i386 libc6-i386 libcaca-dev libcaca0 libcache-fastmmap-perl libcairo-perl libcairo2 libcairo2-dev libcairomm-1.0-1 libcairomm-1.0-dev libcanberra-gtk0 libcanberra0 libcap-ng0 libcap2 libcap2-bin libcapture-tiny-perl libccid libcdaudio1 libcddb-get-perl libcddb2 libcdparanoia0 libcdt4 libchm-bin libchm1 libck-connector0 libclass-c3-perl libclass-c3-xs-perl libclass-insideout-perl libclass-inspector-perl libclass-method-modifiers-perl libclass-methodmaker-perl libclone-perl libclutter-1.0-0 libcolamd2.7.1 libcolor-calc-perl libcomedi0 libcomerr2 libcommon-sense-perl libcommons-beanutils-java libcommons-collections3-java libcommons-compress-java libcommons-digester-java libcommons-logging-java libconfig-inifiles-perl libconfig-json-perl libconfig-tiny-perl libconsole libcontextual-return-perl libconvert-asn1-perl libcoro-perl libcorosync4 libcpufreq-dev libcpufreq0 libcrack2 libcroco3 libcrypt-openssl-bignum-perl libcrypt-openssl-random-perl libcrypt-openssl-rsa-perl libcrypt-passwdmd5-perl libcrypt-ssleay-perl libcss-minifier-xs-perl libcss-packer-perl libcups2 libcupscgi1 libcupsdriver1 libcupsimage2 libcupsmime1 libcupsppdc1 libcurl3 libcurl3-gnutls libcurses-perl libcwidget3 libdata-optlist-perl libdata-structure-util-perl libdata-visitor-perl libdatetime-format-http-perl libdatetime-perl libdatetime-set-perl libdatetime-timezone-perl libdatrie1 libdb-dev libdb-je-java libdbd-mysql-perl libdbi-perl libdbus-1-3 libdbus-1-dev libdbus-glib-1-2 libdbus-glib-1-dev libdc1394-22 libdca0 libdebian-installer-extra4 libdebian-installer4 libdevel-globaldestruction-perl libdevel-size-perl libdevel-stacktrace-perl libdevel-symdump-perl libdevmapper1.02.1 libdigest-hmac-perl libdirac-decoder0 libdirac-encoder0 libdirectfb-1.2-9 libdirectfb-extra libdiscid0 libdjvulibre-text libdjvulibre21 libdns69 libdpkg-perl libdrm-dev libdrm-intel1 libdrm-nouveau1a libdrm-radeon1 libdrm2 libdv4 libdvdcss2 libdvdnav4 libdvdread4 libedit2 libelf1 libelfg0 libemail-address-perl libenca0 libenchant1c2a libengine-pkcs11-openssl libepc-common libesd0 libesd0-dev libespeak1 libevolution libexception-class-perl libexempi3 libexif12 libexpat1 libexpat1-dev libexpect-perl libfaac0 libfaad2 libfcgi-perl libfcgi0ldbl libffi-dev libffi5 libfftw3-3 libfile-homedir-perl libfile-libmagic-perl libfile-mmagic-perl libfile-slurp-perl libfile-which-perl libfilter-perl libfinance-quote-perl libflac++6 libflac8 libflickrnet2.2-cil libflite1 libfltk1.1 libfluidsynth1 libfontconfig1 libfontconfig1-dev libfontenc1 libfreetype6 libfreetype6-dev libfribidi0 libfs6 libftdi-dev libftdi1 libfuse2 libgail-common libgail-dev libgail18 libgc1c2 libgcc1 libgcj-bc libgcj-common libgconf2-4 libgconf2-dev libgconf2.0-cil libgcrypt11 libgcrypt11-dev libgd-gd2-noxpm-perl libgdata-common libgdbm3 libgdict-1.0-6 libgdiplus libgdome2-0 libgdome2-cpp-smart0c2a libgdu-gtk0 libgdu0 libgee2 libgeoclue0 libgeoip1 libgfortran3 libgif4 libgimp2.0 libgio-cil libgksu2-0 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Catégories: Elsewhere

Freelock : Heartbleed - Do you need to do anything?

Planet Drupal - dim, 13/04/2014 - 00:46

Everybody is writing about Heartbleed this week. The reason? It probably affects more people than any other vulnerability we've ever seen. If you ever log into any web site, anywhere, your password might be revealed -- and that is just the start. The biggest problem? Nobody really knows if somebody actually used this attack.

HeartbleedE-CommerceSecuritySSLDrupal Planet
Catégories: Elsewhere

Andrew Pollock: [life] Explaining "special needs"

Planet Debian - dim, 13/04/2014 - 00:24

I got one of those rare opportunities to calibrate Zoe's outlook on people on Friday. I feel pretty happy with the job I did.

Once we arrived at the New Farm Park ferry terminal, the girls wanted to have some morning tea, so we camped out in the terminal to have something to eat. Kim had had packed two poppers (aka "juice boxes") for Sarah so they both got to have one. Nice one, Kim!

Not long after we started morning tea, an older woman with some sort of presumably intellectual disability and her carer arrived to wait for a ferry. I have no idea what the disability was, but it presented as her being unable to speak. She'd repeatedly make a single grunting noise, and held her hands a bit funny, and would repeatedly stand up and walk in a circle, and try to rummage through the rubbish bin next to her. I exchanged a smile with her carer. The girls were a little bit wary of her because she acting strange. Sarah whispered something to me inquiring what was up with her. Zoe asked me to accompany her to the rubbish bin to dispose of her juice box.

I didn't feel like talking about the woman within her earshot, so I waited until they'd boarded their ferry, and we'd left the terminal before talking about the encounter. It also gave me a little bit of time to construct my explanation in my head.

I specifically wanted to avoid phrases like "something wrong" or "not right". For all I knew she could have had cerebral palsy, and had a perfectly good brain trapped inside a malfunctioning body.

So I explained that the woman had "special needs" and that people with special needs have bodies or brains that don't work the same way as us, and so just like little kids, they need an adult carer to take care of them so they don't hurt themselves or get lost. In the case of the woman we'd just seen, she needed a carer to make sure she didn't get lost or rummage through the rubbish bin.

That explanation seemed to go down pretty well, and that was the end of that. Maybe next time such circumstances permit, I'll try striking up a conversation with the carer.

Catégories: Elsewhere

Mario Lang: Emacs Chess

Planet Debian - sam, 12/04/2014 - 19:00

Between 2001 and 2004, John Wielgley wrote emacs-chess, a rather complete Chess library for Emacs. I found it around 2004, and was immediately hooked. Why? Because Emacs is configurable, and I was hoping that I could customize the chessboard display much more than with any other console based chess program I have ever seen. And I was right. One of the four chessboard display types is exactly what I was looking for, chess-plain.el:

┌────────┐ 8│tSlDjLsT│ 7│XxXxXxXx│ 6│ ⡀ ⡀ ⡀ ⡀│ 5│⡀ ⡀ ⡀ ⡀ │ 4│ ⡀ ⡀ ⡀ ⡀│ 3│⡀ ⡀ ⡀ ⡀ │ 2│pPpPpPpP│ 1│RnBqKbNr│ └────────┘ abcdefgh

This might look confusing at first, but I have to admit that I grew rather fond of this way of displaying chess positions as ASCII diagrams. In this configuration, initial letters for (mostly) German chess piece names are used for the black pieces, and English chess piece names are used for the white pieces. Uppercase is used to indicate if a piece is on a black square and braille dot 7 is used to indicate an empty black square.

chess-plain is completely configurable though, so you can have more classic diagrams like this as well:

┌────────┐ 8│rnbqkbnr│ 7│pppppppp│ 6│ + + + +│ 5│+ + + + │ 4│ + + + +│ 3│+ + + + │ 2│PPPPPPPP│ 1│RNBQKBNR│ └────────┘ abcdefgh

Here, upper case letters indicate white pieces, and lower case letters black pieces. Black squares are indicated with a plus sign.

However, as with many Free Software projects, Emacs Chess was rather dormant in the last 10 years. For some reason that I can not even remember right now, my interest in Emacs Chess has been reignited roughly 5 weeks ago.

Universal Chess Interface

It all began when I did a casual apt-cache serch for chess engines, only to discover that a number of free chess engines had been developed and packaged for Debian in the last 10 years. In 2004 there was basically only GNUChess, Phalanx and Crafty. These days, a number of UCI based chess engines have been added, like Stockfish, Glaurung, Fruit or Toga2. So I started by learning how the new chess engine communication protocol, UCI, actually works. After a bit of playing around, I had a basic engine module for Emacs Chess that could play against Stockfish. After I had developed a thin layer for all things that UCI engines have in common (chess-uci.el), it was actually very easy to implement support for Stockfish, Glaurung and Fruit in Emacs Chess. Good, three new free engines supported.

Opening books

When I learnt about the UCI protocol, I discovered that most UCI engines these days do not do their own book handling. In fact, it is sort of expected from the GUI to do opening book moves. And here one thing led to another. There is quite good documentation about the Polyglot chess opening book binary format on the net. And since I absolutely love to write binary data decoders in Emacs Lisp (don't ask, I don't know why) I immediately started to write Polyglot book handling code in Emacs Lisp, see chess-polyglot.el.

It turns out that it is relatively simple and actually performs very good. Even a lookup in an opening book bigger than 100 megabytes happens more or less instantaneously, so you do not notice the time required to find moves in an opening book. Binary search is just great. And binary searching binary data in Emacs Lisp is really fun :-).

So Emacs Chess can now load and use polyglot opening book files. I integrated this functionality into the common UCI engine module, so Emacs Chess, when fed with a polyglot opening book, can now choose moves from that book instead of consulting the engine to calculate a move. Very neat! Note that you can create your own opening books from PGN collections, or just download a polyglot book made by someone else.

Internet Chess Servers

Later I reworked the internet chess server backend of Emacs Chess a bit (sought games are now displayed with tabulated-list-mode), and found and fixed some (rather unexpected) bugs in the way how legal moves are calculated (if we take the opponents rook, their ability to castle needs to be cleared).

Emacs Chess supports two of the most well known internet chess servers. The Free Internet Chess Server (FICS) and chessclub.com (ICC).

A Chess engine written in Emacs Lisp

And then I rediscovered my own little chess engine implemented in Emacs Lisp. I wrote it back in 2004, but never really finished it. After I finally found a small (but important) bug in the static position evaluation function, I was motivated enough to fix my native Emacs Lisp chess engine. I implemented quiescence search so that captue combinations are actually evaluated and not just pruned at a hard limit. This made the engine quite a bit slower, but it actually results in relatively good play. Since the thinking time went up, I implemented a small progress bar so one can actually watch what the engine is doing right now. chess-ai.el is a very small Lisp impelemtnation of a chess engine. Static evaluation, alpha beta and quiescence search included. It covers the basics so to speak. So if you don't have any of the above mentioned external engines installed, you can even play a game of Chess against Emacs directly.

Other features

The feature list of Emacs Chess is rather impressive. You can not just play a game of Chess against an engine, you can also play against another human (either via ICS or directly from Emacs to Emacs), view and edit PGN files, solve chess puzzles, and much much more. Emacs Chess is really a universal chess interface for Emacs.

Emacs-chess 2.0

In 2004, John and I were already planning to get emacs-chess 2.0 out the door. Well, 10 years have passed, and both of us have forgotten about this wonderful codebase. I am trying to change this. I am in development/maintainance mode for emacs-chess again. John has also promised to find a bit of time to work on a final 2.0 release.

If you are an Emacs user who knows and likes to play Chess, please give emacs-chess a whirl. If you find any problems, please file an Issue on Github, or better yet, send us a Pull Requests.

There is an emacs-chess Debian package which has not been updated in a while. If you want to test the new code, be sure to grab it from GitHub directly. Once we reach a state that at least feels like stable, I am going to update the Debian package of course.

Catégories: Elsewhere

Lars Wirzenius: Programming performance art

Planet Debian - sam, 12/04/2014 - 16:26

Thirty years ago I started to learn programming. To celebrate this, I'm doing a bit of programming as a sort of performance art. I will write a new program, from scratch, until it is ready for me to start using it for real. The program won't be finished, but it will be ready for my own production use. It'll be something I have wanted to have for a while, but I'm not saying beforehand what it will be. For me, the end result is interesting; for you, the interesting part is watching me be stupid and make funny mistakes.

The performance starts Friday, 18 April 2014, at 09:00 UTC. I apologise if this is an awkward time for you. No time is good for everyone, so I picked a time that is good for me.

Run the following command to see what the local time will be for you.

date --date '2014-04-18 09:00:00 UTC'

While I write this program, I will broadcast my terminal to the Internet for anyone to see. For instructions, see the http://liw.fi/distix/performance-art/ page.

There will be an IRC channel as well: #distix on the OFTC network (irc.oftc.net). Feel free to join there if you want to provide real time feedback (the laugh track).

Catégories: Elsewhere

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