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How to access pandas groupby dataframe by key
...ata-structures already available in the groupby object.
You can select different columns using the groupby slicing:
In [22]: gb[["A", "B"]].get_group("foo")
Out[22]:
A B
0 foo 1.624345
2 foo -0.528172
4 foo 0.865408
In [23]: gb["C"].get_group("foo")
Out[23]:
0 5
2 11
4 ...
How to immediately see compile errors in project tree of IntelliJ Idea?
I'm wondering if it is possible to configure IntelliJ Idea to immediately show compile errors on the class files in the project tree. Currently I need to manually trigger the recompilation to see error marks on my classes if the class cannot be compiled.
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Disabling highlighting of current line in the Visual Studio editor
...t least on my machine (VS2013), turning off the annoying highlight bar significantly sped up the scrolling speed - or at least changed from snail-speed to only slow. Changing the color of the bar probably wouldn't do that.
– Wade Hatler
Jun 18 '14 at 5:53
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Command to get nth line of STDOUT
... @LeoUfimtsev: the p is the sed statement that prints the lines identified by the range of lines that precedes it. Thus 2,4p means print lines 2, 3, 4.
– Jonathan Leffler
Dec 6 '17 at 23:03
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How to insert a line break before an element using CSS
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Also try white-space: pre-wrap; if you want your text to wrap.
– Jazzy
Aug 16 '13 at 21:40
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How to find reason of failed Build without any error or warning
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If solution contains more than one project, try building them one at a time.
Try restart Visual Studio.
Try restart Computer.
Try "Rebuild all"
Try "Clean Solution" then remove your "vspscc" files and "vssscc" files and then ...
How to get the index of a maximum element in a numpy array along one axis
...ss all axis, not along a given axis as the OP asks: it is wrong. Moreover, if there is more than one maximum, it retrieves the indices of only the first maximum: this should be pointed out. Try with a = np.array([[1,4,3],[4,3,1]]) to see that it returns i,j==0,1, and neglects the solution at i,j==1,...
Regex group capture in R with multiple capture-groups
...vectors 'x' which are not substituted will be returned unchanged.
So if your text to be selected lies in the middle of some string, adding .* before and after the capture group should allow you to only return it.
gsub(".*\\((.*?) :: (0\\.[0-9]+)\\).*","\\1 \\2", "(sometext :: 0.1231313213)")
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Wrapping null-returning method in Java with Option in Scala?
...Some instead of Option in optionString - Changed in original answer. 2. Verified only in Scala 2.12.5
– DekelM
Aug 29 '18 at 6:14
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Spring Boot Rest Controller how to return different HTTP status codes?
...t for a simple REST API and would like to return a correct HTTP statuscode if something fails.
6 Answers
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