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Pandas dataframe get first row of each group
I have a pandas DataFrame like following.
5 Answers
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Altering column size in SQL Server
...x on that column you'll have to drop it, then execute the alter table code and then create the index again
– Sr.PEDRO
Sep 5 '17 at 19:18
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Convert Unix timestamp to a date string
...ick, one-liner way to convert a Unix timestamp to a date from the Unix command line?
11 Answers
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How can I expand the full path of the current file to pass to a command in Vim?
When I go to command mode and type
6 Answers
6
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Why does Haskell's “do nothing” function, id, consume tons of memory?
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We know the type of id,
id :: a -> a
And when we specialize this for id id, the left copy of id has type:
id :: (a -> a) -> (a -> a)
And then when you specialize this again for the leftmost id in id id id, you get:
id :: ((a -> a) -> (a -> ...
Get all directories within directory nodejs
... @rickysullivan: You'd need to iterate through the response and use path.resolve(srcpath, foldername) for each folder inside
– jarodsmk
Mar 2 '17 at 8:30
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How to find the Windows version from the PowerShell command line
... When I run winver it shows me version 1607. But the powershell command above does not give 1607. Where do I get this "1607" number in Powershell?
– CMCDragonkai
Dec 10 '16 at 8:01
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rails - Devise - Handling - devise_error_messages
...error_messsages! method is just a stub (though it contains implementation) and that we're supposed to override/replace it. It would have been nice if this was pointed out somewhere in the wiki, which is why i guess there are a few people like us that have been guessing.
So I'm going to try reopenin...
The specified named connection is either not found in the configuration, not intended to be used wit
I have a one entity framework object and when I add it to my project, the connectionstring
is added to app.config in the connectionstring section, but when I want to create new entitycontext and use this connectionstring , this error appears
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Overwrite single file in my current branch with the same file in the master branch?
Say I have two branches - master and redesign . How would I go about overwriting the file default.aspx.cs in my redesign branch with the one from master?
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