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How to re-raise an exception in nested try/except blocks?
... that if I want to re-raise an exception, I simple use raise without arguments in the respective except block. But given a nested expression like
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How to create a drop-down list?
...mation:
This is the basics but there is more to be self taught with experimentation.
https://developer.android.com/guide/topics/ui/controls/spinner.html
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What does the line “#!/bin/sh” mean in a UNIX shell script?
I was going through some shell script tutorials and found the following sample program:
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Difference between global and device functions
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What does “atomic” mean in programming?
...es the first 32 bits, and a second one which writes the last 32 bits. That means that another thread might read the value of foo, and see the intermediate state.
Making the operation atomic consists in using synchronization mechanisms in order to make sure that the operation is seen, from any othe...
What are the risks of running 'sudo pip'?
Occasionally I run into comments or responses that state emphatically that running pip under sudo is "wrong" or "bad", but there are cases (including the way I have a bunch of tools set up) where it is either much simpler, or even necessary to run it that way.
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Does using final for variables in Java improve garbage collection?
Today my colleagues and me have a discussion about the usage of the final keyword in Java to improve the garbage collection.
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How and why does 'a'['toUpperCase']() in JavaScript work?
JavaScript keeps surprising me and this is another instance. I just came across some code which I did not understood at first. So I debugged it and came to this finding:
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Preventing Laravel adding multiple records to a pivot table
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The $id parameter for the method attach() is mixed, it can be an int or instance of model ;) - see github.com/laravel/framework/blob/master/src/Illuminate/…
– Rob Gordijn
Jul 5 '13 at 8:08
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How to create a UIView bounce animation?
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With iOS7 and UIKit Dynamics, there is no longer any need to use CAKeyframeAnimations or UIView animations!
Take a look at Apple's UIKit Dynamics Catalog app. Alternately, Teehanlax has a clear, concise tutorial with the full project in github. If you want a more detailed tutorial about the ins-a...