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What is the reason for a red exclamation mark next to my project in Eclipse?
I have a red exclamation mark over my project name in Eclipse, looking like this - .
29 Answers
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Should it be “Arrange-Assert-Act-Assert”?
Regarding the classic test pattern of Arrange-Act-Assert , I frequently find myself adding a counter-assertion that precedes Act. This way I know that the passing assertion is really passing as the result of the action.
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How to list only top level directories in Python?
I want to be able to list only the directories inside some folder.
This means I don't want filenames listed, nor do I want additional sub-folders.
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What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos
Ive got a bunch of rectangular objects which I need to pack into the smallest space possible (the dimensions of this space should be powers of two).
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How can I use grep to find a word inside a folder?
In Windows, I would have done a search for finding a word inside a folder. Similarly, I want to know if a specific word occurs inside a directory containing many sub-directories and files. My searches for grep syntax shows I must specify the filename, i.e. grep string filename .
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Practical uses for the “internal” keyword in C#
Could you please explain what the practical usage is for the internal keyword in C#?
22 Answers
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Why is parenthesis in print voluntary in Python 2.7?
In Python 2.7 both the following will do the same
4 Answers
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String comparison in Python: is vs. == [duplicate]
I noticed a Python script I was writing was acting squirrelly, and traced it to an infinite loop, where the loop condition was while line is not '' . Running through it in the debugger, it turned out that line was in fact '' . When I changed it to !='' rather than is not '' , it worked fine.
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Can I pass parameters by reference in Java?
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Java is confusing because everything is passed by value. However for a parameter of reference type (i.e. not a parameter of primitive type) it is the reference itself which is passed by value, hence it appears to be pass-by-reference (and ...
Are negative array indexes allowed in C?
I was just reading some code and found that the person was using arr[-2] to access the 2nd element before the arr , like so:
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