TL;DR Fixing Windows Python 2.7 unicode issue with subprocess.Popen being unable to properly send command lines to the system. Here is the python code fixing unicode issue Details What Python 2.7 is plagued by bugs that won't be fixed. One …
Category Archives: sci
Fixing Windows Python 2.7 unicode issue with subprocess’s Popen.
Posted by vaab
on 2017/03/16
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trapping SIGINT, SIGQUIT in asynchronous tasks
Posted by vaab
on 2016/07/30
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Scattered in bash documentation lies the truth about SIGINT and SIGQUIT signals being mysteriously ignored and non-trappable in background processes. This has puzzled many, and will probably continue to do so. Traps Here's my try to unveil the terrible truth. …
docker update, or how to incrementally build images without Dockerfile.
Posted by vaab
on 2015/01/28
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This handy little script covers an important missing feature in current docker's tool set. I needed to build incrementally my images: From a given image, I want full script control (un-tamed shell scripts) and access to hosts files to do …
bash lore: how to properly parse NUL separated fields
Posted by vaab
on 2015/01/03
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As a lot of other part of bash, this is black magic. Lets suppose a friendly command that spits out NUL separated fields (as find -print0, shyaml get-values-0, ...). Which - may I insist - is the recommended way to …
bash lore: NUL character and variables
Posted by vaab
on 2014/05/03
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Bash variables are often thought as being able to store any binary content. Please bear in mind that it can't store NUL character, and only this one. Here you are: $ ascii_table() { echo -en "$(echo '\'0{0..3}{0..7}{0..7} | tr -d …
comparison of minimal packaging between distribute and distutils2
Posted by vaab
on 2013/02/22
3 comments
In a pythonic mind, we shoud keep things simple as possible. But when having to deal with distribution of your code, especially if it's ONE small python file, you'll might cringe when facing the boilerplate that is required. Even with …
Emacs and flymake for python, javascript, php, rst
Posted by vaab
on 2012/09/20
3 comments
Emacs is a wonderfull editor, every sane people know this. Here's how to extend your flymake to some trendy languages. You'll find here a general overview by answering question as What's flymake ? for emacs, and How does it work …
cleaned and released kal-shlib-* code and dd_rhelp
Posted by vaab
on 2012/04/30
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This is a long time since I wrote the first line of this shell script library which has followed me since then. These library were managed on subversion, so this was the opportunity to move them toward GIT. kal-shlib-core -- …
sun flares vs earth
Posted by vaab
on 2012/04/20
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This 15th of April 2012, a magnificient solar flare erupted from the sun in the right angle to get perfect shots. The dailymail has many NASA footages, including videos and wide images. I was wondering how the size of earth …
SpamAssassin, Amavis and ubuntu
Posted by vaab
on 2012/04/02
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If running spamassassin (SA) with amavis without usage of spamd on ubuntu 10.04 and you feel that sa-learn isn't working right, here are a few tips. I had mails that were false positive and I had to dig a little …