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How to add an empty column to a dataframe?
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@Griff - I've now updated my answer to be more accurate and explicit about version compatability issues. Thanks for highlighting this.
– emunsing
Nov 26 '19 at 21:36
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Rolling back local and remote git repository by 1 commit
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is there a way to know if somebody has pulled the repo?
– Pinkerton
Jul 5 '16 at 19:26
4
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Get a pixel from HTML Canvas?
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Pixel manipulation section is now available here : w3.org/TR/2dcontext2/#pixel-manipulation
– jtraulle
Mar 13 '19 at 11:01
add a c...
Python's many ways of string formatting — are the older ones (going to be) deprecated?
...mal deprecation no longer on the cards, but the current docs are openly acknowledging that % formatting at least has some "benefits" over the other approaches.
I'd infer from all this that the movement to deprecate or remove % formatting has not only faltered, but been defeated thoroughly and perma...
Why array implements IList?
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Some time has passed since the original question. But now with .Net 4.5, there are additional interfaces IReadOnlyList and IReadOnlyCollection.
– Tobias
Apr 8 '15 at 12:16
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What is a None value?
...right and F = None resets F to its original state, then it should be there now, and we should see
>>> print(F)
None
like we do after we type F = None and put the sticker on None.
So that's all that's going on. In reality, Python comes with some stickers already attached to objects (b...
how to get GET and POST variables with JQuery?
...to emit is actually empty, you will get a javascript syntax error. If you know it's a string, you should wrap it in quotes. If it's an integer, you may want to test to see if it actually exists before writing the line to javascript.
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Is bool a native C type?
...language defined by the ANSI C89 / ISO C90 standard. Since C standards are now published by ISO first, and since there have been three ISO C standards, with varying levels of adoption, it's best to refer to the year the standard was publlshed (ISO C90, ISO C99, ISO C11) to avoid any confusion.
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URL Encoding using C#
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Edit: Note that this answer is now out of date. See Siarhei Kuchuk's answer below for a better fix
UrlEncoding will do what you are suggesting here. With C#, you simply use HttpUtility, as mentioned.
You can also Regex the illegal characters and then re...
How to create new tmux session if none exists
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Yeah, it does, I just clean them up every now and then. It's a minor drawback to get the functionality I want.
– Michael
Aug 23 '12 at 21:49
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