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In which order should floats be added to get the most precise result?
...estion I was asked at my recent interview and I want to know (I don't actually remember the theory of the numerical analysis, so please help me :)
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What are the most interesting equivalences arising from the Curry-Howard Isomorphism?
...nd C-H to many interesting logics and formulations of logics to obtain a really wide variety of correspondences. Here I've tried to focus on some of the more interesting ones rather than on the obscure, plus a couple of fundamental ones that haven't come up yet.
evaluation | proof norm...
Simple Vim commands you wish you'd known earlier [closed]
I'm learning new commands in Vim all the time, but I'm sure everyone learns something new once in a while. I just recently learned about this:
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How do I sort unicode strings alphabetically in Python?
... sorts by byte value by default, which means é comes after z and other equally funny things. What is the best way to sort alphabetically in Python?
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Do python projects need a MANIFEST.in, and what should be in it?
...oth, distutils and setuptools are including in source
distribution package all the files mentioned in setup.py - modules, package python files,
README.txt and test/test*.py. If this is all you want to have in distribution package, you do
not have to use MANIFEST.in.
If you want to manipulate (add o...
linux: kill background task
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Very useful symbols, these %1 and %% - especially. Some things don't die on Ctrl-C, so you need to Ctrl-Z them, and then kill -9 %%. One example where I found it useful is: while true; do mplayer <some unstable online radio>; date >> restarts.log; done - Ctr...
Running a Python script from PHP
...e if PHP script runs in browser or curl)
and/or must be "executable". Also all commands into .py file must have correct privileges:
Taken from php manual:
Just a quick reminder for those trying to use shell_exec on a
unix-type platform and can't seem to get it to work. PHP executes as
the w...
How can I get useful error messages in PHP?
...ple syntax error (wrong bracket, missing semicolon), or a failed function call, or something else entirely.
43 Answers
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Difference between \n and \r?
...e 10 and 13 respectively;-).
But seriously, there are many:
in Unix and all Unix-like systems, \n is the code for end-of-line, \r means nothing special
as a consequence, in C and most languages that somehow copy it (even remotely), \n is the standard escape sequence for end of line (translated to...
How to upgrade Git on Windows to the latest version?
...1.7.9.mysysgit.0. I downloaded the new version from the Git site and installed through the normal Git installer EXE.
14 A...