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Can I zip more than two lists together in Scala?
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I don't believe it's possible to generate a list of tuples of arbitrary size, but the transpose...
How do I get the row count of a pandas DataFrame?
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1387
You can use the .shape property or just len(DataFrame.index). However, there are notable perfo...
Creating a new dictionary in Python
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edited Nov 8 '15 at 3:49
poolie
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Different between parseInt() and valueOf() in java?
...ld also use this eyesore:
Integer k = Integer.valueOf(Integer.parseInt("123"))
Now, if what you want is the object and not the primitive, then using valueOf(String) may be more attractive than making a new object out of parseInt(String) because the former is consistently present across Integer, L...
How to create a printable Twitter-Bootstrap page
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If you're already using this stylesheet, chances are you have you currently have media="screen", which will not be seen by a printer. You ca...
How to use filter, map, and reduce in Python 3
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352
You can read about the changes in What's New In Python 3.0. You should read it thoroughly when...
How to select rows from a DataFrame based on column values?
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4135
To select rows whose column value equals a scalar, some_value, use ==:
df.loc[df['column_name'...
MySQL foreign key constraints, cascade delete
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3 Answers
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How can I convert NSDictionary to NSData and vice versa?
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363
NSDictionary -> NSData:
NSData *myData = [NSKeyedArchiver archivedDataWithRootObject:myDi...
Actual examples for HATEOAS (REST-architecture) [closed]
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trendelstrendels
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