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How do you sort an array on multiple columns?
...lso sort the second attribute. Unless you loop it as many as the number of selected columns.. Am I right? e.g. [[A, 10], [J, 15], [A, 5], [J, 5]] => [[A, 10], [A, 5], [J, 15], [J, 5]]
– Bla...
Apr 23 '15 at 2:30
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iOS: Access app-info.plist variables in code
...? If you view your info.plist as source code (right click the info.plist - select Open As) then you will get to see all the various key names you can use.
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Set EditText Digits Programmatically
...generic text, since we can't tell the IME about the set of digits that was selected.
– Dmitry Gryazin
Nov 14 '17 at 13:19
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Do you use source control for your database items? [closed]
... under source control, because otherwise it's a manual process to rollback/selectively apply schema changes to match your code-base branch. If I have three dependent projects, and I switch all of them to a particular branch (e.g. with a particular set of schema migrations), then I should be able to...
Rails: How to list database tables/objects using the Rails console?
...how the tables
.table
'.help' to see help.
Or use SQL statements like 'Select * from cars'
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How do you specify a different port number in SQL Management Studio?
... SQL Server Configuration Manager. Go to Sql Native Client Configuration, Select Client Protocols, Right Click on TCP/IP and set your default port there.
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Finding the author of a line of code in Mercurial
...<filename>
Or by finding the file in the log, rightclicking it and selecting "Annotate file"
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How to revert (Roll Back) a checkin in TFS 2010
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right click file in Visual Studio and Source Control/View History
then select last changeset, right click and click Rollback
After rollback done, you should check in again.
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git - Server host key not cached
... If your git repository is served on a custom SSH port, use -P to select the port, such as: plink.exe example.com -P 2222 . I was able to clone from github but not from my personal server, and this confused me to no end.
– Hay
Aug 28 '19 at 18:32
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Is there a NumPy function to return the first index of something in an array?
...st element. Note also that where and nonzero return arrays, so you need to select the first element to get the index.
In [71]: np.argmax(a==2)
Out[71]: 2
In [72]: np.where(a==2)
Out[72]: (array([2], dtype=int64),)
In [73]: np.nonzero(a==2)
Out[73]: (array([2], dtype=int64),)
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