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Setting Environment Variables for Node to retrieve
I'm trying to follow a tutorial and it says:
16 Answers
16
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Immediate function invocation syntax
...at it is clear that the value being produced is the result of the function and not the function itself.
So, basically, he feels it makes more clear the distinction between function values, and the values of functions. So, it's an stylistic matter, not really a substantive difference in the code its...
Most efficient way to remove special characters from string
...Regular expression: 294.4 ms.
Edit 2:
I added the distinction between A-Z and a-z in the code above. (I reran the performance test, and there is no noticable difference.)
Edit 3:
I tested the lookup+char[] solution, and it runs in about 13 ms.
The price to pay is, of course, the initialization of...
What's the difference between std::move and std::forward
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std::move takes an object and allows you to treat it as a temporary (an rvalue). Although it isn't a semantic requirement, typically a function accepting a reference to an rvalue will invalidate it. When you see std::move, it indicates that the value ...
Most efficient way to make the first character of a String lower case?
... are operations per second, the more the better.
Tests
test1 was first Andy's and Hllink's approach:
string = Character.toLowerCase(string.charAt(0)) + string.substring(1);
test2 was second Andy's approach. It is also Introspector.decapitalize() suggested by Daniel, but without two if statemen...
How is std::function implemented?
...ed by the compiler creating a class with overloaded function call operator and the referenced variables as members. This suggests that the size of lambda expressions varies, and given enough references variables that size can be arbitrarily large .
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Why are C# interface methods not declared abstract or virtual?
C# methods in interfaces are declared without using the virtual keyword, and overridden in the derived class without using the override keyword.
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Combining two Series into a DataFrame in pandas
I have two Series s1 and s2 with the same (non-consecutive) indices. How do I combine s1 and s2 to being two columns in a DataFrame and keep one of the indices as a third column?
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Delete keychain items when an app is uninstalled
I am using idandersen's scifihifi-iphone code for keychain and save password using
8 Answers
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What's the difference between require and require-dev? [duplicate]
I'm new to the composer and I would like to know the difference between require and require-dev .
The composer website doesn't offer a good explanation the difference between these two.
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