I know that I can use something like string[3:4] to get a substring in Python, but what does the 3 mean in somesequence...
I’ve noticed the following code is legal in Python. My question is why? Is there a specific reason? n = 5 while n ...
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May 10, 2022
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The ObjectiveC.swift file from the standard library contains the following few lines of code around line 228: extension NSObject : Equatable, Hashable { ...
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May 10, 2022
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I find it more convenient to access dict keys as obj.foo instead of obj...
One of the tips for jslint tool is: ++ and -- The ++ (increment) and -- (decrement) operators have been known to contribute ...
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May 9, 2022
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How do you express an integer as a binary number with Python literals? I was easily able to find the answer for hex: ...
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May 9, 2022
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How do I make Python dictionary members accessible via a dot “.”? For example, instead of writing mydict...
Summary Can you explain the reasoning behind the syntax for encapsulated anonymous functions in JavaScript? Why does this work: (function(){})(); but this doesn’t: ...
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May 8, 2022
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Recently I’ve seen an example like the following: #include <iostream> class Foo { public: int bar; Foo(int num): bar(num) {}; }; int main(void) ...
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May 8, 2022
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In Python, I’ve seen two variable values swapped using this syntax: left, right = right, left Is this considered the standard way to ...
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May 8, 2022
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