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Selecting a row of pandas series/dataframe by integer index
...ns=list('AB'))
In [2]: df
Out[2]:
A B
0 1.068932 -0.794307
2 -0.470056 1.192211
4 -0.284561 0.756029
6 1.037563 -0.267820
8 -0.538478 -0.800654
In [5]: df.iloc[[2]]
Out[5]:
A B
4 -0.284561 0.756029
In [6]: df.loc[[2]]
Out[6]:
A B
2 -0....
Is the order guaranteed for the return of keys and values from a LinkedHashMap object?
...owerlord
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8
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HTML colspan in CSS
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411
There's no simple, elegant CSS analog for colspan.
Searches on this very issue will return a ...
Renaming columns in pandas
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1974
Just assign it to the .columns attribute:
>>> df = pd.DataFrame({'$a':[1,2], '$b': [10,...
How to iterate through all git branches using bash script
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edited Mar 10 '14 at 19:12
finn
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answere...
Why is XOR the default way to combine hashes?
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edited May 4 '11 at 20:13
answered May 4 '11 at 20:09
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What is the minimum valid JSON?
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At the time of writing, JSON was solely described in RFC4627. It describes (at the start of "2") a JSON text as being a serialized object or array.
This means that only {} and [] are valid, complete JSON strings in parsers and stringifiers which adhere to that standard.
However, t...
What is Persistence Context?
...er), I think these links are useful:
http://docs.jboss.org/hibernate/core/4.0/devguide/en-US/html/ch03.html
http://docs.jboss.org/hibernate/entitymanager/3.5/reference/en/html/architecture.html
In Java EE, a persistence context is normally accessed via an EntityManager.
http://docs.oracle.com/ja...
Default constructor with empty brackets
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edited Mar 29 '18 at 23:34
Remy Lebeau
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ans...
Run a PHP file in a cron job using CPanel
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edited May 1 '13 at 4:02
tomb
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answered Sep...