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Add comma to numbers every three digits
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What happens when a duplicate key is put into a HashMap?
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How to disable phone number linking in Mobile Safari?
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edited Apr 6 '18 at 0:17
Scott Hoffman
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answered Oct 22...
Inserting multiple rows in mysql
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INSERT statements that use VALUES syntax can insert multiple rows. To do this, include mul...
Remove all special characters from a string [duplicate]
...le hyphens from being next to each other? and have them replaced with just 1?
function clean($string) {
$string = str_replace(' ', '-', $string); // Replaces all spaces with hyphens.
$string = preg_replace('/[^A-Za-z0-9\-]/', '', $string); // Removes special chars.
return preg_replace('/...
Should we @Override an interface's method implementation?
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Write a program to find 100 largest numbers out of an array of 1 billion numbers
... recently attended an interview where I was asked "write a program to find 100 largest numbers out of an array of 1 billion numbers."
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Is it fine to have foreign key as primary key?
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Foreign keys are almost always "Allow Duplicates," which would make them unsuitable as Primary...
what is faster: in_array or isset? [closed]
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The answers so far are spot-on. Using isset in this case is faster because
It uses an O(1) h...