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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('/...
Android: textColor of disabled button in selector not showing?
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You need to also create a ColorStateList for text colors identifying different states.
Do the f...
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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Show current state of Jenkins build on GitHub repo
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12 Answers
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SQL Query to concatenate column values from multiple rows in Oracle
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Is it fine to have foreign key as primary key?
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134
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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119
The answers so far are spot-on. Using isset in this case is faster because
It uses an O(1) h...
Is there a way to pass optional parameters to a function?
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The Python 2 documentation, 7.6. Function definitions gives you a couple of ways to detect whe...
R programming: How do I get Euler's number?
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150
The R expression
exp(1)
represents e, and
exp(2)
represents e^2.
This works because exp...