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pandas three-way joining multiple dataframes on columns
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answered May 28 '15 at 17:08
KitKit
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iOS 5 fixed positioning and virtual keyboard
...nned to the bottom of the screen via position:fixed. All works fine in iOS 5 (I'm testing on an iPod Touch) until I'm on a page with a form. When I tap into an input field and the virtual keyboard appears, suddenly the fixed position of my div is lost. The div now scrolls with the page as long as th...
Best way to do Version Control for MS Excel
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Colonel Panic
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answered Jan 5 '10 at 2:28
DemosthenexDemosthen...
BCL (Base Class Library) vs FCL (Framework Class Library)
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edited Jan 3 '15 at 18:07
Ajay
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answer...
How to Resize a Bitmap in Android?
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560
Change:
profileImage.setImageBitmap(
BitmapFactory.decodeByteArray(imageAsBytes, 0, image...
Is there a foreach loop in Go?
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edited Nov 23 '19 at 19:15
community wiki
5 re...
using lodash .groupBy. how to add your own keys for grouped output?
...);
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.15/lodash.min.js"></script>
Original Answer
var result = _.chain(data)
.groupBy("color")
.pairs()
.map(function(currentItem) {
return _.object(_.zip(["color", "users"], currentItem));
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Why do people still use primitive types in Java?
Since Java 5, we've had boxing/unboxing of primitive types so that int is wrapped to be java.lang.Integer , and so and and so forth.
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Convert a number range to another range, maintaining ratio
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562
NewValue = (((OldValue - OldMin) * (NewMax - NewMin)) / (OldMax - OldMin)) + NewMin
Or a lit...
What is the purpose of the vshost.exe file?
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The vshost.exe feature was introduced with Visual Studio 2005 (to answer your comment).
The purpose of it is mostly to make debugging launch quicker - basically there's already a process with the framework running, just ready to load your application as soon as you want it to.
See t...