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Is there a typical state machine implementation pattern?
We need to implement a simple state machine in C .
Is a standard switch statement the best way to go?
We have a current state (state) and a trigger for the transition.
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How to split a long regular expression into multiple lines in JavaScript?
I have a very long regular expression, which I wish to split into multiple lines in my JavaScript code to keep each line length 80 characters according to JSLint rules. It's just better for reading, I think.
Here's pattern sample:
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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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In what cases do I use malloc and/or new?
I see in C++ there are multiple ways to allocate and free data and I understand that when you call malloc you should call free and when you use the new operator you should pair with delete and it is a mistake to mix the two (e.g. Calling free() on something that was created with the new ...
Is there a Python equivalent of the C# null-coalescing operator?
In C# there's a null-coalescing operator (written as ?? ) that allows for easy (short) null checking during assignment:
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When converting a project to use ARC what does “switch case is in protected scope” mean?
When converting a project to use ARC what does "switch case is in protected scope" mean?
I am converting a project to use ARC, using Xcode 4 Edit -> Refactor -> Convert to Objective-C ARC...
One of the errors I get is "switch case is in protected scope" on "some" of the switches in a switch case.
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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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Why should casting be avoided? [closed]
I generally avoid casting types as much as possible since I am under the impression that it's poor coding practice and may incur a performance penalty.
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Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
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How do I debug Node.js applications?
How do I debug a Node.js server application?
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