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Rails 4: before_filter vs. before_action
In rails >4.0.0 generators creates CRUD operations with before_action not before_filter . It seems to do the same thing. So what's the difference between these two?
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Including jars in classpath on commandline (javac or apt)
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Note for Windows users, the jars should be separated by ; and not :.
for example:
javac -cp external_libs\lib1.jar;other\lib2.jar;
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Django - Circular model import issue
...mport of Theme and use the model name as a string instead.
theme = models.ForeignKey('themes.Theme')
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Media Queries - In between two widths
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Agree w/ @DavePowers. In my case, I had my media query formatted like @WalkerNuss, but had forgotten the first and after @media screen. Inserting the first and fixed this for me.
– Kyle Vassella
Mar 27 '18 at 17:10
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Windows threading: _beginthread vs _beginthreadex vs CreateThread C++
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CreateThread() is a raw Win32 API call for creating another thread of control at the kernel level.
_beginthread() & _beginthreadex() are C runtime library calls that call CreateThread() behind the scenes. Once CreateThread() has returned, _beginthread/ex() t...
How to set the style -webkit-transform dynamically using JavaScript?
I want to change the -webkit-transform: rotate() property using JavaScript dynamically, but the commonly used setAttribute is not working:
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What's the difference between subprocess Popen and call (how can I use them)?
... set the process' output, environmental variables, etc., your script waits for the program to complete, and call returns a code representing the process' exit status.
returncode = call(*args, **kwargs)
is basically the same as calling
returncode = Popen(*args, **kwargs).wait()
call is just ...
Difference between `npm start` & `node app.js`, when starting app?
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i created one new app, npm start is not working. for old app it is running fine. any suggestions?
– learner
Jul 28 '15 at 15:54
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Get selected subcommand with argparse
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I also like to add required=True to force users to use a subcommand.
– Ben
Jun 19 '19 at 17:34
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onNewIntent() lifecycle and registered listeners
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onNewIntent() is meant as entry point for singleTop activities which already run somewhere else in the stack and therefore can't call onCreate(). From activities lifecycle point of view it's therefore needed to call onPause() before onNewIntent(). I suggest you t...