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Test if executable exists in Python?
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Mark Amery
98.8k4848 gold badges336336 silver badges379379 bronze badges
answered Sep 26 '12 at 22:40
Nathan Bin...
Initialize a byte array to a certain value, other than the default null? [duplicate]
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98
Use this to create the array in the first place:
byte[] array = Enumerable.Repeat((byte)0x20, ...
Execution time of C program
...s you easily get 10ms or lower, but on older Windows machines (from the Win98 era) it was closer to 60ms.
clock() is standard C; it works "everywhere". There are system-specific functions, such as getrusage() on Unix-like systems.
Java's System.currentTimeMillis() does not measure the same thing. ...
Test if something is not undefined in JavaScript
...defined", instead of a useful message about an "un-caught exception @ line 123 of file xyz.js". Eventually a second developer will probably comment out the console.log() statement, making it more difficult for a 3rd developer to come in and fix a bug happening deep within doSomething().
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Vim: apply settings on files in directory
...diting the $VIM/.vimrc file with vim later.
Been using this since Windoze 98SE, through Windork XP Pro, and now Windorkier 7 (5+ years already). I'll mark a list of .txt files in Explorer and then use "Edit with multiple Vim", resulting in multiple vim windows opening simultaneously. For my work, I...
std::string to char*
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(This answer applies to C++98 only.)
Please, don't use a raw char*.
std::string str = "string";
std::vector<char> chars(str.c_str(), str.c_str() + str.size() + 1u);
// use &chars[0] as a char*
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Using sphinx with Markdown instead of RST
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98
The "proper" way to do that would be to write a docutils parser for markdown. (Plus a Sphinx o...
How to “git clone” including submodules?
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98
Why not just do both of them in one command? git submodule update --init (Also see my answer).
– Mathias Bynens
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Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...B0, 0x70, 0xF0,
0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,
0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4, 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC,...
How do I split a string with multiple separators in javascript?
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Aaron MaenpaaAaron Maenpaa
98.1k1010 gold badges9191 silver badges106106 bronze badges
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