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Find maximum value of a column and return the corresponding row values using Pandas
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Assuming df has a unique index, this gives the row with the maximum value:
In [34]: df.loc[df['Value'].idxmax()]
Out[34]:
Country US
Place Kansas
Value 894
Name: 7
Note that idxmax returns index labels. So if the DataFrame has...
Installing Java on OS X 10.9 (Mavericks)
...Get the JRE dmg on http://www.oracle.com/technetwork/java/javase/downloads/index.html
Install it
In your terminal, type: export JAVA_HOME="/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home"
java -version now gives you java version "1.7.0_45"
That's the cleanest way I found to instal...
Dynamically access object property using variable
...ike than array like. You can't iterate the 'associative' version by simple index so it is not displaying array-like behaviour. You can define your 'associative' array as {} or [] and treat it the same in either case as far as random property access is concerned.
– Vanquished Wo...
Dropping Unique constraint from MySQL table
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A unique constraint is also an index.
First use SHOW INDEX FROM tbl_name to find out the name of the index. The name of the index is stored in the column called key_name in the results of that query.
Then you can use DROP INDEX:
DROP INDEX index_name O...
Installing Python 3 on RHEL
...rpm Here is the unicode character: fileformat.info/info/unicode/char/200c/index.htm The URL in my original answer works, I've just tested it.
– Samuel Phan
Sep 7 '15 at 9:01
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What does [:] mean?
...opulation[3] (slicing is right-exclusive). Leaving away the left and right index, as in population[:] they default to 0 and length(population) respectively, thereby selecting the entire list. Hence this is a common idiom to make a copy of a list.
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Remap values in pandas column with a dict
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map also works on an index where I couldn't figure out a way to do that with replace
– Max Ghenis
Mar 15 '19 at 16:42
1
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Ruby replace string with captured regex pattern
...nce you only seem to be interested in the capture group, note that you can index a string with a regex:
"foo"[/oo/]
#=> "oo"
"Z_123: foobar"[/^Z_.*(?=:)/]
#=> "Z_123"
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improve this an...
Add spaces before Capital Letters
... changed the extension to use the overload of SelectMany which includes an index, this way it avoids the first letter and the unnecessary potential overhead of an additional call to TrimStart(' '). Rob.
– Rob Hardy
Jun 25 '15 at 13:45
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Maven2: Best practice for Enterprise Project (EAR file)
... MemberResourceRESTService.java
| `-- webapp
| |-- index.html
| |-- index.xhtml
| |-- resources
| | |-- css
| | | `-- screen.css
| | `-- gfx
| | |-- banner.png
| | ...