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Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
...ypal singh
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C# nullable string error
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System.String is a reference type and already "nullable".
Nullable<T> and the ? suffix a...
Github: Import upstream branch into fork
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answered Dec 10 '10 at 15:42
urschreiurschrei
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How do I comment on the Windows command line?
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answered Jun 8 '10 at 13:20
paxdiablopaxdiablo
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Determine whether an array contains a value [duplicate]
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1005
var contains = function(needle) {
// Per spec, the way to identify NaN is that it is not e...
Objective-C parse hex string to integer
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Joshua Weinberg's answer is mostly correct, however the 0x prefix is optional when scanning hexadecimal integers. If you have a string in the format #01FFFFAB, you can still use NSScanner, but you can skip the first character.
unsigned result = 0;
NSScanner *scanner = [NSScanner...
How to align texts inside of an input?
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edited Apr 5 '13 at 20:04
Connor Gurney
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answered Aug 28 '12 a...
Why does find -exec mv {} ./target/ + not work?
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From the manual page:
-exec command ;
Execute command; true if 0 status is returned. All following arguments to find are taken to be arguments to the command until an argument consisting of `;' is encountered. The string `{}' is replaced by the current file name being processed ever...
Convert decimal to binary in python [duplicate]
... representation of a given number in binary, use bin(i)
>>> bin(10)
'0b1010'
>>> 0b1010
10
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PHP random string generator
...de snippet with the corrections:
function generateRandomString($length = 10) {
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$charactersLength = strlen($characters);
$randomString = '';
for ($i = 0; $i < $length; $i++) {
$randomString .= ...