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Open file in a relative location in Python
Suppose python code is executed in not known by prior windows directory say 'main' , and wherever code is installed when it runs it needs to access to directory 'main/2091/data.txt' .
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Get column index from column name in python pandas
In R when you need to retrieve a column index based on the name of the column you could do
7 Answers
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How do I exchange keys with values in a dictionary?
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Python 2:
res = dict((v,k) for k,v in a.iteritems())
Python 3 (thanks to @erik):
res = dict((v,k) for k,v in a.items())
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Find the nth occurrence of substring in a string
This seems like it should be pretty trivial, but I am new at Python and want to do it the most Pythonic way.
21 Answers
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Rearranging Tab Bar Controller Order in StoryBoard
...tem in Project Navigator and select Open As Source Code. In the storyboard XML locate the <tabBarController ...> node. Then I rearrange the order of the segues in the <connections> section:
<connections>
<segue destination="274" kind="relationship" relationship="viewControl...
Create nice column output in python
I am trying to create a nice column list in python for use with commandline admin tools which I create.
18 Answers
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Counting array elements in Python [duplicate]
...e usually "special methods" implementing one of the standard interfaces in Python (container, number, etc). Special methods are used via syntactic sugar (object creation, container indexing and slicing, attribute access, built-in functions, etc.).
Using obj.__len__() wouldn't be the correct way of...
Get url parameters from a string in .NET
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DecodeQueryParametersTest("http://test/test.html?key=bla/blub.xml", new Dictionary<string, string> { { "key", "bla/blub.xml" } });
DecodeQueryParametersTest("http://test/test.html?eins=1&zwei=2", new Dictionary<string, string> { { "eins", "1" }, { "zwei", "2" } }...
What does “exec sp_reset_connection” mean in Sql Server Profiler? [duplicate]
... Kills all global cursors owned by the
connection
Closes any open SQL-XML handles that are open
Deletes any open SQL-XML related work tables
Closes all system tables
Closes all user tables
Drops all temporary objects
Aborts open transactions
Defects from a distributed transaction wh...
Python Pandas Error tokenizing data
I'm trying to use pandas to manipulate a .csv file but I get this error:
39 Answers
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