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Use space as a delimiter with cut command
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cut -d ' ' -f 2
Where 2 is the field number of the space-delimited field you want.
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In-place type conversion of a NumPy array
...a NumPy array of int32 , how do I convert it to float32 in place ? So basically, I would like to do
6 Answers
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Passing arguments with spaces between (bash) script
I've got the following bash two scripts
1 Answer
1
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What does “S3 methods” mean in R?
...d S4 object systems, and some recommend to use S3 over S4 if possible (See Google's R Style Guide at http://google-styleguide.googlecode.com/svn/trunk/google-r-style.html )*. However, I do not know the exact definition of S3 methods/objects.
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Join an Array in Objective-C
I'm looking for a method of turning a NSMutableArray into a string. Is there anything on a par with this Ruby array method?
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how to concatenate two dictionaries to create a new one in Python? [duplicate]
...13:22}' \
'd4 = dict(d1.items() + d2.items() + d3.items())'
100000 loops, best of 3: 4.93 usec per loop
Fastest: exploit the dict constructor to the hilt, then one update:
$ python -mtimeit -s'd1={1:2,3:4}; d2={5:6,7:9}; d3={10:8,13:22}' \
'd4 = dict(d1, **d2); d4.update(d3)'
1000000 loops, best...
Python os.path.join on Windows
...m making a program that will output a script. I want to use os.path.join, but am pretty confused. According to the docs if I say:
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Include jQuery in the JavaScript Console
...hrome JavaScript console for sites that do not use it? For example, on a website I would like to get the number of rows in a table. I know this is really easy with jQuery.
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Why do we need break after case statements?
Why doesn't the compiler automatically put break statements after each code block in the switch? Is it for historical reasons? When would you want multiple code blocks to execute?
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Calculating Pearson correlation and significance in Python
...n.
The Pearson correlation coefficient measures the linear relationship
between two datasets. Strictly speaking, Pearson's correlation requires
that each dataset be normally distributed. Like other correlation
coefficients, this one varies between -1 and +1 with 0 implying no
correlation. Corr...