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How can I validate a string to only allow alphanumeric characters in it?
...rom the various regex expressions in the other answers, this is likely not what most considered to be alpha[numeric].
– Dono
Feb 20 '14 at 5:57
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Get model's fields in Django
... You might want to accompany your code with a brief description of what it is doing.
– Bas van Dijk
Dec 8 '13 at 21:59
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Python mysqldb: Library not loaded: libmysqlclient.18.dylib
...ibmysqlclient.18.dylib resides, to DYLD_LIBRARY_PATH environment variable. What I did is to put following line in my .bash_profile:
export DYLD_LIBRARY_PATH=/usr/local/mysql-5.5.15-osx10.6-x86/lib/:$DYLD_LIBRARY_PATH
That's it.
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Removing the fragment identifier from AngularJS urls (# symbol)
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If you are in .NET stack with MVC with AngularJS, this is what you have to do to remove the '#' from url:
Set up your base href in your _Layout page: <head> <base href="/"> </head>
Then, add following in your angular app config : $locationProvider.html5Mode(tru...
python: how to identify if a variable is an array or a scalar
...50 or an array [0, 10, 20, 30] . How can I identify within the function, what the length of NBins is? or said differently, if it is a scalar or a vector?
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Vim indent xml file
... Thanks Christian; I updated the answer to clarify that matchit.vim is what solves the problem.
– ctrueden
Mar 29 '17 at 16:01
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How to get an absolute file path in Python
... @jpmc26 I don't exactly follow coanor, but I would say that (contrary to what I presumed), there is no linkage between the argument to the abspath function and a real file. You could give any pathname- non-existent files and directory heirarchies are fine- and abspath will simply resolve the bits ...
How to increase the Java stack size?
...same on other JVMs, but it prints all of Hotspot specific parameters.
For what it's worth - I would recommend limiting your use of recursive methods in Java. It's not too great at optimizing them - for one the JVM doesn't support tail recursion (see Does the JVM prevent tail call optimizations?). ...
How to find list of possible words from a letter matrix [Boggle Solver]
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True, it doesn't remember what letters have been visited, but that wasn't specified in your spec =). To fix that, you'd have to add to each queue datum a list of all the visited locations, and then check that list before adding the next character.
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JavaScript + Unicode regexes
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This last tool is great for blocks, but does little when what you want are character types scattered through many blocks (like letters or numbers). See this for a similar approach for this case.
– mgibsonbr
Feb 1 '12 at 22:09
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