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Is there a way to 'uniq' by column?
...eed the ,1 in -k1,1? why not just -k1?
– hello_there_andy
Nov 24 '14 at 20:10
19
@hello_there_and...
vim and NERD Tree extension - adding a file
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Activate the NERDTree and navigate to the directory in which the new file should live. Then press m to bring up the NERDTree Filesystem Menu and choose a for "add child node". Then simply enter the file's (or directory's name) and you're done.
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Add column with number of days between dates in DataFrame pandas
I want to subtract dates in 'A' from dates in 'B' and add a new column with the difference.
4 Answers
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How to create major and minor gridlines with different linestyles in Python
I am currently using matplotlib.pyplot to create graphs and would like to have the major gridlines solid and black and the minor ones either greyed or dashed.
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JS - get image width and height from the base64 code
...ve a base64 img encoded that you can find here . How can I get the height and the width of it?
4 Answers
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Bash variable scope
...he while loop.
Now this child process has its own copy of the environment and can't pass any
variables back to its parent (as in any unix process).
Therefore you'll need to restructure so that you're not piping into the loop.
Alternatively you could run in a function, for example, and echo the val...
RAII and smart pointers in C++
... RAII , what are smart pointers , how are these implemented in a program and what are the benefits of using RAII with smart pointers?
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Modify file in place (same dest) using Gulp.js and a globbing pattern
...s attempting to convert .scss files into .css files (using gulp-ruby-sass) and then place the resulting .css file into the same place it found the original file. The problem is, since I'm using a globbing pattern, I don't necessarily know where the original file is stored.
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How to change the default encoding to UTF-8 for Apache?
I am using a hosting company and it will list the files in a directory if the file index.html is not there, it uses iso-8859-1 as the default encoding.
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Finding the average of a list
...sum(l) / float(len(l))
There is no need to use reduce. It is much slower and was removed in Python 3.
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