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Test whether a glob has any matches in bash
...compgen -G "<glob-pattern>"
Escape the pattern or it'll get pre-expanded into matches.
Exit status is:
1 for no-match,
0 for 'one or more matches'
stdout is a list of files matching the glob.
I think this is the best option in terms of conciseness and minimizing potential side effect...
UICollectionView auto scroll to cell at IndexPath
...collection view. All of the cells don't fit on the screen. I have 30 cells and only 6 on the screen.
9 Answers
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Convert php array to Javascript
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agreed: if you're using and old PHP, you'll need to write your own. However, you should also consider upgrading your PHP if at all possible!
– Spudley
Apr 11 '11 at 9:25
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“Unknown provider: aProvider
...eption:
When you now re-run the application, the breakpoint will be hit and you can jump up the call stack. There will be a call from invoke in injector.js, recognizable from the "Incorrect injection token" string:
The locals parameter (mangled to d in my code) gives a pretty good idea about w...
How to check 'undefined' value in jQuery
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JQuery library was developed specifically to simplify and to unify certain JavaScript functionality.
However if you need to check a variable against undefined value, there is no need to invent any special method, since JavaScript has a typeof operator, which is simple, fast and...
Changing website favicon dynamically
I have a web application that's branded according to the user that's currently logged in. I'd like to change the favicon of the page to be the logo of the private label, but I'm unable to find any code or any examples of how to do this. Has anybody successfully done this before?
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How to replace (or strip) an extension from a filename in Python?
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Expanding on AnaPana's answer, how to remove an extension using pathlib (Python >= 3.4):
>>> from pathlib import Path
>>> filename = Path('/some/path/somefile.txt')
>>> filename_wo_ext = filename...
Parse a URI String into Name-Value Collection
...till quite popular, I made an improved version of the method above, which handles multiple parameters with the same key and parameters with no value as well.
public static Map<String, List<String>> splitQuery(URL url) throws UnsupportedEncodingException {
final Map<String, List<S...
Moving from CVS to Git: $Id$ equivalent?
...through a bunch of questions asking about simple source code control tools and Git seemed like a reasonable choice. I have it up and running, and it works well so far. One aspect that I like about CVS is the automatic incrementation of a version number.
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How to start an application without waiting in a batch file?
...an application without waiting in batch file? I have tried the start command but it just creates a new command window.
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