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What does it mean to start a PHP function with an ampersand?
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edited Nov 13 '11 at 2:11
KingCrunch
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a...
What is a practical use for a closure in JavaScript?
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22 Answers
22
Active
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How do I check that a Java String is not all whitespaces?
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226
Shortest solution I can think of:
if (string.trim().length() > 0) ...
This only checks f...
How to disable/enable select field using jQuery?
.../form>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
<script>
var update_pizza = function () {
if ($("#pizza").is(":checked")) {
$('#pizza_kind').prop('disabled', false);
}
else {
$('#pizza_kind').prop('dis...
How can I use a Python script in the command line without cd-ing to its directory? Is it the PYTHONP
...thin a Python program as the variable
sys.path.
http://docs.python.org/2/using/cmdline.html#envvar-PYTHONPATH
What you're looking for is PATH.
export PATH=$PATH:/home/randy/lib/python
However, to run your python script as a program, you also need to set a shebang for Python in the first li...
How to “perfectly” override a dict?
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233
You can write an object that behaves like a dict quite easily with ABCs (Abstract Base Classes...
How would I skip optional arguments in a function call?
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answered Jun 30 '09 at 23:35
zombatzombat
84.8k2121 gold badges148148 silver badges160160 bronze badges
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How to append the output to a file?
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215
Use >> to append:
command >> file
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