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Generic deep diff between two objects
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Fixed point vs Floating point number
... Also there is exponent biasing so that you can represent vastly more discrete values between 0 and 1 than you can between 1,000,000 and 1,000,001. And there are lots of complications with floating point operations which come up, like ensuring you don't report 0 as the difference between t...
How do you run a command for each line of a file?
...ng file.txt, your script could not be interactive (you cannot use STDIN anymore).
while read -u, using dedicated fd.
Syntax: while read ...;done <file.txt will redirect STDIN to file.txt. That mean, you won't be able to deal with process, until they finish.
If you plan to create interactive to...
How can I create a directly-executable cross-platform GUI app using Python?
...hy you should now very much consider using PySide which is LGPL. It's also more Pythonic than PyQt4's Python 2 API.
– Chris Morgan
Dec 7 '10 at 0:35
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Shell one liner to prepend to a file
...er which worked and received lots of upvotes. Then, as the question became more popular and more time passed, outraged people started reporting that it sorta worked but weird things could happen, or it just didn't work at all, so it was furiously downvoted for a time. Such fun.
The solution exploi...
Is it good practice to use the xor operator for boolean checks? [closed]
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"What's wrong with !=" bool1 ^ bool2 ^ bool3 makes more logical sense to me than bool1 != bool2 != bool3
– BlueRaja - Danny Pflughoeft
May 5 '10 at 20:54
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Semi-transparent color layer over background-image?
... put a pattern as background. This pattern is gray. So to make it a little more nice, I would like to put a light transparent color "layer" over. Below is what I tried but which did not work. Is there a way to put the colored layer over the background image?
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Regular Expression to match string starting with “stop”
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+1 for generalizing your answer. I would love to see more of this on Stack Overflow. Makes it a better learning resource in my opinion.
– Jim
Aug 6 '09 at 18:26
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How to set HTTP header to UTF-8 using PHP which is valid in W3C validator?
...rwise the header has been sent too and you obviously can’t change it any more. You can check that with headers_sent. See the manual page of header for more information.
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PHP array delete by value (not key)
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