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How to check if multiple array keys exists
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edited Nov 2 '17 at 10:23
answered Nov 1 '12 at 1:02
alex...
Map over object preserving keys
...ap the values and preserve the keys.
_.mapObject({ one: 1, two: 2, three: 3 }, function (v) { return v * 3; });
// => { one: 3, two: 6, three: 9 }
DEMO
With Lodash
Lodash provides a function _.mapValues to map the values and preserve the keys.
_.mapValues({ one: 1, two: 2, three: 3 }, fu...
How can I shuffle an array? [duplicate]
...ficant performance loss, as of October 2017.
Use
var myArray = ['1','2','3','4','5','6','7','8','9'];
shuffle(myArray);
Implementing prototype
Using Object.defineProperty (method taken from this SO answer) we can also implement this function as a prototype method for arrays, without having it s...
Why does C++ not allow inherited friendship?
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93
Because I may write Foo and its friend Bar (thus there is a trust relationship).
But do I trus...
Why is null an object and what's the difference between null and undefined?
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Martijn Pieters♦
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answered Apr 29 '09 at 13:31
RobRob...
How to attribute a single commit to multiple developers?
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mokagio
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answered Sep 16 '11 at 8:51
GerryGerry
8,...
What's the -practical- difference between a Bare and non-Bare repository?
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edited Jan 24 '19 at 12:53
Enrico
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answered Apr ...
How can I delete a file from a Git repository?
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3396
Use git rm.
If you want to remove the file from the Git repository and the filesystem, use:
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What is the difference between sql and mysql [closed]
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answered Feb 12 '13 at 20:07
OdedOded
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How to stop creating .DS_Store on Mac? [closed]
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35
Its is possible by using mach_inject. Take a look at Death to .DS_Store
I found that over...