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Is it safe to parse a /proc/ file?
...o even this tiny, trivial file was subject to a race condition until then, and still is in most enterprise kernels. See fs/proc/uptime.c for the current source, or the commit that made it atomic. On a pre-2.6.30 kernel, you can open the file, read a bit of it, then if you later come back and read ...
CSS3 Continuous Rotate Animation (Just like a loading sundial)
...te an Apple style activity indicator (sundial loading icon) by using a PNG and CSS3 animation. I have the image rotating and doing it continuously, but there seems to be a delay after the animation has finished before it does the next rotation.
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How to escape single quotes within single quoted strings
...on, using single quotes.
If you do not place any whitespaces between (1) and (2), or between (4) and (5), the shell will interpret that string as a one long word.
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How to test if a string is basically an integer in quotes using Ruby
...!!(str =~ /^[-+]?[0-9]+$/) would do that. Then you could add it to String and leave out the argument, using "self" instead of "str", and then you could change the name to "is_i?" ...
– janm
Aug 5 '09 at 22:16
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AngularJS : When to use service instead of factory
...ng objects into AngularJS dependency injection system. It is very flexible and can contain sophisticated creation logic. Since factories are regular functions, we can also take advantage of a new lexical scope to simulate "private" variables. This is very useful as we can hide implementation details...
How do I capture SIGINT in Python?
I'm working on a python script that starts several processes and database connections. Every now and then I want to kill the script with a Ctrl + C signal, and I'd like to do some cleanup.
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Splitting a list into N parts of approximately equal length
...a list into roughly equal parts? For example, if the list has 7 elements and is split it into 2 parts, we want to get 3 elements in one part, and the other should have 4 elements.
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Is there a way to escape a CDATA end token in xml?
...only the CDEnd string is recognized as markup, so that left angle brackets and ampersands may occur in their literal form; they need not (and cannot) be escaped using "<" and "&". CDATA sections cannot nest.
In other words, it's not possible to use entity reference, markup or any oth...
Operator overloading in Java
... aspect of Java which comes close to "custom" operator overloading is the handling of + for strings, which either results in compile-time concatenation of constants or execution-time concatenation using StringBuilder/StringBuffer. You can't define your own operators which act in the same way though....
Why are interface variables static and final by default?
Why are interface variables static and final by default in Java?
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