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Why do people use __(double underscore) so much in C++
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answered Oct 22 '08 at 3:45
macculltmaccullt
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Combine two or more columns in a dataframe into a new column with a new name
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132
Use paste.
df$x <- paste(df$n,df$s)
df
# n s b x
# 1 2 aa TRUE 2 aa
# 2 3 bb ...
How do you specify a different port number in SQL Management Studio?
...am trying to connect to a Microsoft SQL 2005 server which is not on port 1433. How do I indicate a different port number when connecting to the server using SQL Management Studio?
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Evaluating string “3*(4+2)” yield int 18 [duplicate]
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arularul
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Import pandas dataframe column as string not int
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3 Answers
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Get Unix Epoch Time in Swift
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YannikYannik
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7
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Pairwise crossproduct in Python [duplicate]
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3 Answers
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Python - Count elements in list [duplicate]
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399
len()
>>> someList=[]
>>> print len(someList)
0
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Convert all strings in a list to int
...the map function (in Python 2.x):
results = map(int, results)
In Python 3, you will need to convert the result from map to a list:
results = list(map(int, results))
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How do I exit the results of 'git diff' in Git Bash on windows? [duplicate]
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