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Regular expression to check if password is “8 characters including 1 uppercase letter, 1 special cha
...Including one uppercase letter: You can use the [A-Z]+ regular expression. If the string contains at least one upper case letter, this regular expression will yield true.
One special character: You can use either the \W which will match any character which is not a letter or a number or else, you ca...
What is “with (nolock)” in SQL Server?
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@Saasman- If you don't ever rollback transactions, that doesn't matter. And with a insert-only table, the chances of a rollback are slim to none. And if they do occur, you will still fix it all in the end of day variance report.
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403 Forbidden vs 401 Unauthorized HTTP responses
...re–but you just don’t have
permission to access this resource. Maybe if you ask the system
administrator nicely, you’ll get permission. But please don’t bother
me again until your predicament changes.”
In summary, a 401 Unauthorized response should be used for missing
or bad a...
Is using 'var' to declare variables optional? [duplicate]
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They mean different things.
If you use var the variable is declared within the scope you are in (e.g. of the function). If you don't use var, the variable bubbles up through the layers of scope until it encounters a variable by the give...
How to redirect output to a file and stdout
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The command you want is named tee:
foo | tee output.file
For example, if you only care about stdout:
ls -a | tee output.file
If you want to include stderr, do:
program [arguments...] 2>&1 | tee outfile
2>&1 redirects channel 2 (stderr/standard error) into channel 1 (stdout/s...
return statement vs exit() in main()
...flow control when I'm reading the code is smooth (in my opinion). And even if I want to refactor the main() function, having return seems like a better choice than exit() .
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Handle file download from ajax post
...eate a form, use the POST method, submit the form - there's no need for an iframe. When the server page responds to the request, write a response header for the mime type of the file, and it will present a download dialog - I've done this a number of times.
You want content-type of application/dow...
How to search by key=>value in a multidimensional array in PHP
...ode:
function search($array, $key, $value)
{
$results = array();
if (is_array($array)) {
if (isset($array[$key]) && $array[$key] == $value) {
$results[] = $array;
}
foreach ($array as $subarray) {
$results = array_merge($results, sea...
Python-equivalent of short-form “if” in C++ [duplicate]
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a = '123' if b else '456'
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Very Long If Statement in Python [duplicate]
I have a very long if statement in Python. What is the best way to break it up into several lines? By best I mean most readable/common.
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