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using lodash .groupBy. how to add your own keys for grouped output?

...ame": "eddie", "color": "green", "age": "77" }]; console.log( _.chain(data) // Group the elements of Array based on `color` property .groupBy("color") // `key` is group's name (color), `value` is the array of objects .map((value, key) => ({ color: key, users: valu...
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Good example of livelock?

...deadlocks. This the output from console; 2016-09-12 21:31:45.065 :: [Maker_0:WAITING, Maker_1:WAITING, Maker_2:WAITING, Maker_3:WAITING, Maker_4:WAITING, Maker_5:WAITING, Maker_6:WAITING, Maker_7:WAITING, pool-7-thread-1:TIMED_WAITING, pool-7-thread-2:TIMED_WAITING, pool-8-thread-1:TIMED_WAITING, p...
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When do I use fabs and when is it sufficient to use std::abs?

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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jQuery: How can i create a simple overlay?

...ouseenter(showPhotoOverlay); // Create photo overlay elements var _isPhotoOverlayDisplayed = false; var _photoId; var _photoOverlay = $("<div id='photoOverlay'></div>"); var _photoOverlayShareButton = $("<div id='photoOverlayShare'>Share</div>"); // ...
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An async/await example that causes a deadlock

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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What's the function like sum() but for multiplication? product()?

... answered Feb 6 '18 at 17:32 Raymond HettingerRaymond Hettinger 168k5151 gold badges299299 silver badges388388 bronze badges ...
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Ruby: require vs require_relative - best practice to workaround running in both Ruby =1.

... this post. https://github.com/appoxy/aws/blob/master/lib/awsbase/require_relative.rb unless Kernel.respond_to?(:require_relative) module Kernel def require_relative(path) require File.join(File.dirname(caller[0]), path.to_str) end end end This allows you to use require_relati...
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AWK: Access captured group from line pattern

... glenn jackmanglenn jackman 195k3232 gold badges177177 silver badges284284 bronze badges ...
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How do I compare two strings in Perl?

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ipython reads wrong python version

...on # -*- coding: utf-8 -*- import re import sys from IPython import start_ipython if __name__ == '__main__': sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) sys.exit(start_ipython()) And mine works properly like this, but my situation isn't exactly like the OP's. Ori...