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How to change MySQL data directory?
Is it possible to change my default MySQL data directory to another path? Will I be able to access the databases from the old location?
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CSS selector with period in ID
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Classic. Just after digging through all the specs writing the question, I read through it some more and found there is an escape character. I've never needed it before, but the CSS spec does allow for backslash (\) escaping like most languages. Wh...
Why do we need C Unions?
When should unions be used? Why do we need them?
18 Answers
18
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Equivalent of jQuery .hide() to set visibility: hidden
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You could make your own plugins.
jQuery.fn.visible = function() {
return this.css('visibility', 'visible');
};
jQuery.fn.invisible = function() {
return this.css('visibility', 'hidden');
};
jQuery.fn.visibilityToggle = function() {
return this.css('visibilit...
“ImportError: No module named” when trying to run Python script
I'm trying to run a script that launches, amongst other things, a python script. I get a ImportError: No module named ..., however, if I launch ipython and import the same module in the same way through the interpreter, the module is accepted.
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How to assign the output of a command to a Makefile variable
... to execute some make rules conditionally, only if the Python installed is greater than a certain version (say 2.5).
7 Answ...
Scala: What is a TypeTag and how do I use it?
All I know about TypeTags is that they somehow replaced Manifests. Information on the Internet is scarce and doesn't provide me with a good sense of the subject.
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Why we should not use protected static in java
I was going through this question Is there a way to override class variables in Java?
The first comment with 36 upvotes was:
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How to get unique values in an array
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Since I went on about it in the comments for @Rocket's answer, I may as well provide an example that uses no libraries. This requires two new prototype functions, contains and unique
Array.prototype.contains = function(v) {
for (var i...
Why does range(start, end) not include end?
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Because it's more common to call range(0, 10) which returns [0,1,2,3,4,5,6,7,8,9] which contains 10 elements which equals len(range(0, 10)). Remember that programmers prefer 0-based indexing.
Also, consider the following com...