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Why does ++[[]][+[]]+[+[]] return the string “10”?
...at +[] === 0. + converts something into a number, and in this case it will come down to +"" or 0 (see specification details below).
Therefore, we can simplify it (++ has precendence over +):
++[[]][0]
+
[0]
Because [[]][0] means: get the first element from [[]], it is true that:
[[]][0] returns...
How to strip all whitespace from string
How do I strip all the spaces in a python string? For example, I want a string like strip my spaces to be turned into stripmyspaces , but I cannot seem to accomplish that with strip() :
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How to trim whitespace from a Bash variable?
I have a shell script with this code:
42 Answers
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Get a random boolean in python?
I am looking for the best way (fast and elegant) to get a random boolean in python (flip a coin).
8 Answers
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Copy and paste content from one file to another file in vi
... same file. How do you choose which file to open in then ? I have seen the command :sp myfile that split horizontally and open the specified file, but how would I do if I'd prefer to split the window vertically ?
– svassr
Mar 19 '13 at 22:34
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Find a value in an array of objects in Javascript [duplicate]
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How do I replace multiple spaces with a single space in C#?
How can I replace multiple spaces in a string with only one space in C#?
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Using capistrano to deploy from different git branches
I am using capistrano to deploy a RoR application. The codebase is in a git repository, and branching is widely used in development. Capistrano uses deploy.rb file for it's settings, one of them being the branch to deploy from.
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指定组件的大小 · App Inventor 2 中文网
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指定...
count (non-blank) lines-of-code in bash
In Bash, how do I count the number of non-blank lines of code in a project?
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