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How to pipe input to a Bash while loop and preserve variables after loop ends
Bash allows to use: cat <(echo "$FILECONTENT")
3 Answers
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Is #pragma once a safe include guard?
I've read that there is some compiler optimization when using #pragma once which can result in faster compilation. I recognize that is non-standard, and thus could pose a cross-platform compatibility issue.
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IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
I'm getting user reports from my app in the market, delivering the following exception:
34 Answers
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Utility classes are evil? [closed]
I saw this thread
14 Answers
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How do I check if there are duplicates in a flat list?
For example, given the list ['one', 'two', 'one'] , the algorithm should return True , whereas given ['one', 'two', 'three'] it should return False .
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Node.js/Express.js App Only Works on Port 3000
I have a Node.js/Express.js app running on my server that only works on port 3000 and I'm trying to figure out why. Here's what I've found:
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vector::at vs. vector::operator[]
I know that at() is slower than [] because of its boundary checking, which is also discussed in similar questions like C++ Vector at/[] operator speed or ::std::vector::at() vs operator[] << surprising results!! 5 to 10 times slower/faster! . I just don't understand what the at() met...
Can gcc output C code after preprocessing?
I'm using an open source library which seems to have lots of preprocessing directives to support many languages other than C. So that I can study what the library is doing I'd like to see the C code that I'm compiling after preprocessing, more like what I'd write.
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How can I get a resource content from a static context?
I want to read strings from an xml file before I do much of anything else like setText on widgets, so how can I do that without an activity object to call getResources() on?
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Windows batch: sleep [duplicate]
How do I get a Windows batch script to wait a few seconds?
12 Answers
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