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How to take column-slices of dataframe in pandas
...achine learning data from a CSV file. The first 2 columns are observations and the remaining columns are features.
10 Answe...
What does ~~ (“double tilde”) do in Javascript?
I was checking out an online game physics library today and came across the ~~ operator. I know a single ~ is a bitwise NOT, would that make ~~ a NOT of a NOT, which would give back the same value, wouldn't it?
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Eclipse HotKey: how to switch between tabs?
... tabs as I can in pretty much every other tabbed program in OS X (⌘-Left and ⌘-Right).
Well, in March 2012, Arthur replied:
, I've just downloaded the latest version of Eclipse (3.7+). I've been able to bind "Previous/Next tab" to (⌘-Left and ⌘-Right) when in Editor, which I'm pr...
what is reverse() in Django
...e sure what this is but it is used together with HttpResponseRedirect. How and when is this reverse() supposed to be used?
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Removing transforms in SVG files
I have been struggling with this for a while, and can't seem to find an answer (that works) anywhere. I have an SVG file which looks like this:
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jQuery: Can I call delay() between addClass() and such?
...t or dequeue is to let jQuery know that you are done with this queued item and that it should move on to the next one.
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Convert XML to JSON (and back) using Javascript
How would you convert from XML to JSON and then back to XML?
12 Answers
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Why is it impossible to build a compiler that can determine if a C++ function will change the value
...er any given program will terminate. This is known as the halting problem, and it's one of those things that's not computable.
To be clear, you can write a compiler that can determine that a function does change the variable in some cases, but you can't write one that reliably tells you that the fu...
Warning: push.default is unset; its implicit value is changing in Git 2.0
I've been using Git for a while now and have recently downloaded an update only to find this warning message come up when I try to push .
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How can I update npm on Windows?
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Does not change the default global package location.
Allows easy upgrades and downgrades.
Officially recommended by the NPM team.
A list of versions matched between NPM and NODE (https://nodejs.org/en/download/releases/) - but you will need to download NODE INSTALLER and run that to update node (ht...