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How to find if div with specific id exists in jQuery?
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553
You can use .length after the selector to see if it matched any elements, like this:
if($("#" +...
Is it possible to center text in select box?
I tried this: http://jsfiddle.net/ilyaD/KGcC3/
20 Answers
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Is #pragma once a safe include guard?
...ine. The one caveat is that GCC didn't support #pragma once before version 3.4.
I also found that, at least on GCC, it recognizes the standard #ifndef include guard and optimizes it, so it shouldn't be much slower than #pragma once.
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How can I validate a string to only allow alphanumeric characters in it?
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183
Use the following expression:
^[a-zA-Z0-9]*$
ie:
using System.Text.RegularExpressions;
Rege...
How to add multiple columns to a table in Postgres?
...o I add multiple columns in one query statement in PostgreSQL using pgadmin3?
2 Answers
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How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
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How do I create a new class in IntelliJ without using the mouse?
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edited Feb 24 '17 at 18:13
answered Feb 12 '10 at 3:47
Cra...
Git alias with positional parameters
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371
The most obvious way is to use a shell function:
[alias]
files = "!f() { git diff --name-...
CodeIgniter removing index.php from url
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31 Answers
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