User:Timothee Flutre/Notebook/Postdoc/2012/05/16: Difference between revisions

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(→‎About programming: add section on regexp)
(→‎About programming: add other links about regexp)
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* '''Regular expressions''':
* '''Regular expressions''':
** [http://www.regular-expressions.info/quickstart.html quick start]
** [http://www.regular-expressions.info/quickstart.html quick start]
** [http://regexr.com/ online validator]
** [https://github.com/zeeshanu/learn-regex learn-regex] on GitHub
** online validators: [http://regexr.com/ regexr.com], [https://regex101.com/ regex101.com]


* '''Templates''': it is always rewarding on the long term to start any piece of computer software with a minimum amount of generic code (command-line options, help message, license, usage of gzipped files, running time, etc). But it's a pain to write all this every time, right? And often we know how to do something in one language but not in another. So below are my typical templates for any C++/Python/R/Bash program, as well as Beamer presentation.
* '''Templates''': it is always rewarding on the long term to start any piece of computer software with a minimum amount of generic code (command-line options, help message, license, usage of gzipped files, running time, etc). But it's a pain to write all this every time, right? And often we know how to do something in one language but not in another. So below are my typical templates for any C++/Python/R/Bash program, as well as Beamer presentation.

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About programming

  • Templates: it is always rewarding on the long term to start any piece of computer software with a minimum amount of generic code (command-line options, help message, license, usage of gzipped files, running time, etc). But it's a pain to write all this every time, right? And often we know how to do something in one language but not in another. So below are my typical templates for any C++/Python/R/Bash program, as well as Beamer presentation.
  • Language-independent user documentation: I'm a firm believer that it is necessary to add some user documentation, even minimal, to any program. An easy way to do this is to simply generate such documentation from the "help" message, as long as it is "properly" formatted (see help2man). The following commands work for any programming language:
help2man -N -o myprogram.man ./myprogram
man ./myprogram.man
groff -mandoc myprogram.man > myprogram.ps
ps2pdf myprogram.ps myprogram.pdf


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