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Check if something is (not) in a list in Python
...e in your code, because it should work fine:
>>> 3 not in [2, 3, 4]
False
>>> 3 not in [4, 5, 6]
True
Or with tuples:
>>> (2, 3) not in [(2, 3), (5, 6), (9, 1)]
False
>>> (2, 3) not in [(2, 7), (7, 3), "hi"]
True
...
How can I shift-select multiple checkboxes like GMail?
...value="3" />Check 3<br/>
<input type="checkbox" id="id_chk4" class="chkbox" value="4" />Check 4<br/>
<input type="checkbox" id="id_chk5" class="chkbox" value="5" />Check 5<br/>
<input type="checkbox" id="id_chk6" class="chkbox" value="6" />Check ...
Pandas DataFrame Groupby two columns and get counts
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answered Jul 16 '13 at 14:53
waitingkuowaitingkuo
59.9k2222 gold badges9696 silver badges112112 bronze badges
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Apply pandas function to column to create multiple new columns?
...ature1 feature2
0 0.772692 1.772692 -0.227308
1 0.857210 1.857210 -0.142790
2 0.065639 1.065639 -0.934361
3 0.819160 1.819160 -0.180840
4 0.088212 1.088212 -0.911788
EDIT:
Please be aware of the huge memory consumption and low speed: https://ys-l.github.io/posts/2015/08/28/how-not-to-us...
How do I read an entire file into a std::string in C++?
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140
One way is to flush the stream buffer into a separate memory stream, and then convert that to s...
PostgreSQL: Show tables in PostgreSQL
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24 Answers
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Active
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What are good grep tools for Windows? [closed]
...mmendations on grep tools for Windows? Ideally ones that could leverage 64-bit OS.
28 Answers
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How do I write the 'cd' command in a makefile?
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642
It is actually executing the command, changing the directory to some_directory, however, this i...
How can I clone an SQL Server database on the same server in SQL Server 2008 Express?
...ith Advanced Services
Version 2012
Click download button and check ENU\x64\SQLManagementStudio_x64_ENU.exe
Version 2014
Click download button and check MgmtStudio 64BIT\SQLManagementStudio_x64_ENU.exe
Open Microsoft SQL Management Studio.
Backup original database to .BAK file (db -> Task -&g...