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What is the most effective way for float and double comparison?
What would be the most efficient way to compare two double or two float values?
31 Answers
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Setting the correct encoding when piping stdout in Python
... answered Jan 29 '09 at 18:03
nosklonosklo
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Allowed characters in Linux environment variable names
...ames shall not contain
the character '='. For values to be
portable across systems conforming to
IEEE Std 1003.1-2001, the value shall
be composed of characters from the
portable character set (except NUL
and as indicated below).
So names may contain any character except = and NUL, but...
Quickly create a large file on a Linux system
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dd from the other answers is a good solution, but it is slow for this purpose. In Linux (and other POSIX systems), we have fallocate, which uses the desired space without having to actually writing to it, works with most modern disk based file systems, very fast:
For example:
fallocate -l 10G gen...
Keyboard Interrupts with python's multiprocessing Pool
...ever returns, so the interrupt never happens. KeyboardInterrupt should almost certainly interrupt a condition wait.
Note that this doesn't happen if a timeout is specified; cond.wait(1) will receive the interrupt immediately. So, a workaround is to specify a timeout. To do that, replace
res...
Go naming conventions for const
... whether you want to export the constant.
A few examples:
md5.BlockSize
os.O_RDONLY is an exception because it was borrowed directly from POSIX.
os.PathSeparator
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Warning: push.default is unset; its implicit value is changing in Git 2.0
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The motive is that, empirically, most expect the new default behavior
– Blake Miller
Jun 15 '13 at 18:53
125
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How do I get bash completion to work with aliases?
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As stated in the comments above,
complete -o default -o nospace -F _git_checkout gco
will no longer work. However, there's a __git_complete function in git-completion.bash which can be used to set up completion for aliases like so:
__git_complete gco _git_checkout
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How do I convert Long to byte[] and back in java
... like Guava in the vast majority of cases. And if you have some strange opposition to libraries, you should probably consider this answer first for native java solutions. I think the main thing my answer really has going for it is that you don't have to worry about the endian-ness of the system your...
Pure JavaScript Send POST Data Without a Form
Is there a way to send data using the POST method without a form and without refreshing the page using only pure JavaScript (not jQuery $.post() )? Maybe httprequest or something else (just can't find it now)?
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