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Useless use of cat?
...lt;< something (although echo would be necessary for pure POSIX)
Feel free to edit to add more examples.
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Can hash tables really be O(1)?
...every bit in the input in order to calculate the hash. Implementations are free to look at only a fixed number of bits.
For sufficiently many items the number of items will become greater than the number of possible hashes and then you will get collisions causing the performance rise above O(1), fo...
What is the scope of variables in JavaScript?
...sionals, is incomprehensible to most people writing Javascript today. Feel free to fix any nomenclature issues by editing the answer.
– Triptych
Sep 10 '12 at 5:34
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Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
... anyone with at least 100 reputations can edit and improve it! Please feel free to improve this answer, or submit a completely new answer if you'd like as well.
I want to turn this question into a canonical topic to answer asynchronicity issues which are unrelated to Ajax (there is How to retur...
What's the difference between equal?, eql?, ===, and ==?
...s eql?, so:
1 == 1.0 #=> true
1.eql? 1.0 #=> false
So you're free to override this for your own uses, or you can override == and use alias :eql? :== so the two methods behave the same way.
equal? — identity comparison
Unlike ==, the equal? method should never be overridden by subcla...
ab load testing
... terminal.
I wrote a simple script that automates the whole process, feel free to use it: http://blog.ikvasnica.com/entry/load-test-multiple-api-endpoints-concurrently-use-this-simple-shell-script
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How to encrypt String in Java
...bilities popup here and there.
If you have any questions or feedback feel free to comment!
Security is always changing and you need to do your best to keep up with it :)
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How to implement a queue with three stacks?
...nked-lists aren't necessarily identical. I'll read the one with 6 when I'm free. @Welbog: Thanks for the correction.
Laziness can also simulate pointer-functionality in similar ways.
Using linked-list solves a different problem. This strategy can be used to implement real-time queues in Lisp (...
Kill child process when parent process is killed
...n();
}
}
finally
{
Marshal.FreeHGlobal(extendedInfoPtr);
}
}
[DllImport("kernel32.dll", CharSet = CharSet.Unicode)]
static extern IntPtr CreateJobObject(IntPtr lpJobAttributes, string name);
[DllImport("kernel32.dll")]
sta...
How exactly does the callstack work?
...nstead. GCC targeting x64 architectures by default uses stack pointer, and frees up rbp to do other work.
– Siyuan Ren
Jun 2 '14 at 16:42
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