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How do I create a variable number of variables?
...u can use dictionaries to accomplish this. Dictionaries are stores of keys and values.
>>> dct = {'x': 1, 'y': 2, 'z': 3}
>>> dct
{'y': 2, 'x': 1, 'z': 3}
>>> dct["y"]
2
You can use variable key names to achieve the effect of variable variables without the security ris...
How to show all parents and subclasses of a class in IntelliJ IDEA?
...s variable, I can do Ctrl + T to have a popup that shows all its parents and subclasses. What is the equivalent in IntelliJ?
...
How do you read from stdin?
...op through all the lines in the input specified as file names given in command-line arguments, or the standard input if no arguments are provided.
Note: line will contain a trailing newline; to remove it use line.rstrip()
s...
Using CMake with GNU Make: How can I see the exact commands?
I use CMake with GNU Make and would like to see all commands exactly (for example how the compiler is executed, all the flags etc.).
...
Ruby 'require' error: cannot load such file
...
I just tried and it works with require "./tokenizer". Hope this helps.
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What's a “static method” in C#?
...e class.
A static class is a class which can only contain static members, and therefore cannot be instantiated.
For example:
class SomeClass {
public int InstanceMethod() { return 1; }
public static int StaticMethod() { return 42; }
}
In order to call InstanceMethod, you need an instanc...
How can I use map and receive an index as well in Scala?
Is there any List/Sequence built-in that behaves like map and provides the element's index as well?
8 Answers
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How can I make Bootstrap columns all the same height?
... Nice answer, with some caveats. Solution 1 disables the float and therefore breaks the bootstrap grid responsive behavior. Solution 2 (explained in greater depth in positioniseverything.net/articles/onetruelayout/equalheight) doesn't show the bottom border (as it is clipped somewhere in...
Why does (“foo” === new String(“foo”)) evaluate to false in JavaScript?
...s boxed string object.
The === operator behaves differently on primitives and objects.
When comparing primitives (of the same type), === will return true if they both have the same value.
When comparing objects, === will return true only if they refer to the same object (comparing by reference). ...
How can I install MacVim on OS X?
...vim
Step 4. Run brew link macvim
You now have the latest versions of vim and macvim managed by brew. Run brew update && brew upgrade every once in a while to upgrade them.
This includes the installation of the CLI mvim and the mac application (which both point to the same thing).
I use t...