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Is returning null bad design? [closed]
I've heard some voices saying that checking for a returned null value from methods is bad design. I would like to hear some reasons for this.
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How do I rename all folders and files to lowercase on Linux?
I have to rename a complete folder tree recursively so that no uppercase letter appears anywhere (it's C++ source code, but that shouldn't matter).
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Simpler way to put PDB breakpoints in Python code?
Just a convenience question. I've been a bit spoiled with debuggers in IDEs like Visual Studio and XCode. I find it a bit clumsy to have to type import pdb; pdb.set_trace() to set a breakpoint (I'd rather not import pdb at the top of the file as I might forget and leave it in).
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Efficient way to insert a number into a sorted array of numbers?
I have a sorted JavaScript array, and want to insert one more item into the array such the resulting array remains sorted. I could certainly implement a simple quicksort-style insertion function:
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Core dumped, but core file is not in the current directory?
While running a C program, It says "(core dumped)" but I can't see any files under the current path.
12 Answers
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How can you automatically remove trailing whitespace in vim
I am getting 'trailing whitespace' errors trying to commit some files in git.
13 Answers
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How do I build a graphical user interface in C++? [closed]
All of my C++ programs so far have been using the command line interface and the only other language I have experience with is PHP which doesn't support GUIs.
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What is the difference between dynamic and static polymorphism in Java?
Can anyone provide a simple example that explains the difference between Dynamic and Static polymorphism in Java?
14 An...
Append a NumPy array to a NumPy array
I have a numpy_array. Something like [ a b c ] .
9 Answers
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