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Flask vs webapp2 for Google App Engine
I'm starting new Google App Engine application and currently considering two frameworks: Flask and webapp2 . I'm rather satisfied with built-in webapp framework that I've used for my previous App Engine application, so I think webapp2 will be even better and I won't have any problems with it.
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Do try/catch blocks hurt performance when exceptions are not thrown?
During a code review with a Microsoft employee we came across a large section of code inside a try{} block. She and an IT representative suggested this can have effects on performance of the code. In fact, they suggested most of the code should be outside of try/catch blocks, and that only importa...
Making an array of integers in iOS
If you want to make an array of integers, can you use NSInteger? Do you have to use NSNumber? If so, then why?
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How do I inspect the view hierarchy in iOS?
Is there a GUI tool that inspects the view hierarchy of an iOS app? I'm thinking about Webkit's web inspector or similar tools. I'm looking to debug layout issues, like views having the wrong position or size, or a child not being properly contained in its parent. Currently I have to add asserts tha...
How do I merge changes to a single file, rather than merging commits?
I have two branches (A and B) and I want to merge a single file from branch A with a corresponding single file from Branch B.
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Can I safely delete contents of Xcode Derived data folder?
I am running low on disk space and checked through a third party utility that among other things that ~/Library/Developer/Xcode/DerivedData directory is taking about 22GB of disk space.
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Pretty-print C++ STL containers
Please take note of the updates at the end of this post.
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Using MemoryStore in production
Today I ran my Node.js application in "production" mode for the first time and got this warning:
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How do I get the path of the current executed file in Python?
This may seem like a newbie question, but it is not. Some common approaches don't work in all cases:
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Command substitution: backticks or dollar sign / paren enclosed? [duplicate]
What's the preferred way to do command substitution in bash?
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