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Why are regular expressions so controversial? [closed]
... expressions because they're slow, but rather because they're hard to read and write, as well as tricky to get right. While there are some situations where regular expressions provide an effective, compact solution to the problem, they are sometimes shoehorned into situations where it's better to us...
In Windows cmd, how do I prompt for user input and use the result in another command?
I have a Windows .bat file which I would like to accept user input and then use the results of that input as part of the call to additional commands.
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How do you clear a slice in Go?
...- memory not used, but potentially reachable (after re-slicing of 'slice') and thus not garbage "collectable".
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Select first occurring element after another element
...lternative is to use JS to find your h4 elements, walk to the next sibling and add a CSS class to that. With jQuery, this would simply be $('#sb-wrapper #sb-wrapper-inner #sb-body #myDiv h4').next().addClass('shadowbox-h4-p');
– Phrogz
Jan 7 '11 at 14:10
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Django optional url parameters
...to rename the product kwarg to product_id, you only have to change line 4, and it will affect the below URLs.
Edited for Django 1.8 and above
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mkdir's “-p” option
...oes in Unix. I used it for a lab assignment while creating a subdirectory and then another subdirectory within that one. It looked like this:
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How to set java_home on Windows 7?
I went to the Environment Variables in 'System' in the control panel and made two new variables, one for user variables and one for system variables. Both were named JAVA_HOME and both pointing to
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How to get a URL parameter in Express?
...hich version of express are you using? I just tested this on express-3.4.4 and it works fine.
– maček
Nov 20 '13 at 7:20
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How is the “greater than” or “>” character used in CSS?
... in CSS files but I have no idea how its used. Can anyone explain it to me and show how they are useful in making a page style easier?
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How does the Java 'for each' loop work?
...or any object that implements the Iterable interface.
Also, if the right-hand side of the for (:) idiom is an array rather than an Iterable object, the internal code uses an int index counter and checks against array.length instead. See the Java Language Specification.
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