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Filtering Pandas DataFrames on dates
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253
If date column is the index, then use .loc for label based indexing or .iloc for positional inde...
Multi-line string with extra space (preserved indentation)
... ex or cat
cat << EndOfMessage
This is line 1.
This is line 2.
Line 3.
EndOfMessage
The string after << indicates where to stop.
To send these lines to a file, use:
cat > $FILE <<- EOM
Line 1.
Line 2.
EOM
You could also store these lines to a variable:
read -r -d '' VAR ...
Custom thread pool in Java 8 parallel stream
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edited Oct 26 '19 at 0:38
Luke Hutchison
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answ...
Visual Studio keyboard shortcut to automatically add the needed 'using' statement
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3
Wow, didn't know about Ctrl+. or Alt+Shift+F10, but always wondered if there was such a short-cut. I also have a function lock keyboard, bu...
Android EditText delete(backspace) key event
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edited Apr 17 '18 at 23:53
The Hungry Androider
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...
How to build query string with Javascript
...apped array.
– Jake Wilson
Jan 28 '13 at 22:19
2
@JakeWilson Yeah, this answer only half answers ...
Read environment variables in Node.js
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Michał Perłakowski
63.1k2121 gold badges133133 silver badges148148 bronze badges
answered Feb 2 '11 at 3:14
JayeshJayesh
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How to keep index when using pandas merge
...merge_on col2
index
a 1 1 1
b 2 3 2
c 3 4 NaN
Note that for some left merge operations, you may end up with more rows than in a when there are multiple matches between a and b. In this case, you may need to drop duplicates.
...
How to load a UIView using a nib file created with Interface Builder
...wFromNib;
(dont forget to synthesize it and release it in your .m file)
3) open your nib (we'll call it 'myViewNib.xib') in IB, set you file's Owner to MyViewController
4) now connect your file's Owner outlet myViewFromNib to the main view in the nib.
5) Now in MyViewController, write the foll...
How to sort an array of integers correctly
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1306
By default, the sort method sorts elements alphabetically. To sort numerically just add a new ...