I often see JavaScript code which checks for undefined parameters etc. this way: if (typeof input !== "undefined") { // do stuff } This seems kind of wasteful, since...
Here’s the information according to the official documentation: There are four different pairs of opening and closing tags which can be used in PHP. Two of those, <?php ?>...
This question already has answers here: What does if __name__ == “__main__”: do? (40 answers) Closed 2 years ago. I’ve seen some code samples and tutorials that use def...
I have been reading a lot of Javascript lately and I have been noticing that the whole file is wrapped like the following in the .js files to be...
Many C++ books contain example code like this… std::cout << "Test line" << std::endl; …so I’ve always done that too. But I’ve seen a lot of code from working...
What’s the “best” way to convert a number to a string (in terms of speed advantage, clarity advantage, memory advantage, etc) ? Some examples: String(n) n.toString() ""+n n+"" 24...
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Is there an official C# guideline for the order of items in terms of class structure? Does it go: Public Fields Private Fields Properties Constructors Methods ? I’m curious...
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