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Implementing slicing in __getitem__
...ing builtins types like list or tuple you must implements __getslice__ for python 2.X versions. see docs.python.org/2/reference/datamodel.html#object.__getslice__
– gregorySalvan
Aug 28 '14 at 5:17
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How to extract the n-th elements from a list of tuples?
... *list in arguments to create a parameter list for a function...
Note: In Python3, zip returns an iterator, so instead use list(zip(*elements)) to return a list of tuples.
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Why do I get TypeError: can't multiply sequence by non-int of type 'float'?
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raw_input returns a string (a sequence of characters). In Python, multiplying a string and a float makes no defined meaning (while multiplying a string and an integer has a meaning: "AB" * 3 is "ABABAB"; how much is "L" * 3.14 ? Please do not reply "LLL|"). You need to parse the str...
Python Pandas: Get index of rows which column matches certain value
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Creating a config file in PHP
...ile formats used for config files are PHP code, ini formatted files, JSON, XML, YAML and serialized PHP
PHP code
This provides a huge amount of flexibility for representing different data structures, and (assuming it is processed via include or require) the parsed code will be available from the o...
Get path from open file in Python
...g with it, then you can do that in the following conventional way using os Python module.
>>> import os
>>> f = open('/Users/Desktop/febROSTER2012.xls')
>>> os.path.dirname(f.name)
>>> '/Users/Desktop/'
This way you can get hold of the directory structure.
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Add up a column of numbers at the Unix shell
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python3 -c"import os; print(sum(os.path.getsize(f) for f in open('files.txt').read().split()))"
Or if you just want to sum the numbers, pipe into:
python3 -c"import sys; print(sum(int(x) for x in sys.stdin))"
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Error message 'java.net.SocketException: socket failed: EACCES (Permission denied)'
...ed for me as of nov, 2013. Using eclipse, you can edit the AndroidManifest.xml with the fancy editor that has a Permissions tab. Add a Uses Permission and pick this permission from the dropdown menu.
– jjohn
Nov 8 '13 at 20:33
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Find a string by searching all tables in SQL Server Management Studio 2008
...ext) to the list of system_types to search as currently it ignores all the xml fields. ` AND system_type_id IN (167, 175, 231, 239, 99)`
– rob
Nov 2 '17 at 13:53
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python pandas: apply a function with arguments to a series
I want to apply a function with arguments to a series in python pandas:
4 Answers
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