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Getting the error “Missing $ inserted” in LaTeX
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The "Missing $ inserted" is probably caused by the underscores and bars. These characters in LaTeX have special meaning in math mode (which is delimited by $ characters). Try escaping them; e.g. update\_element instead of update_element.
However, if you're trying to display code, a bet...
Days between two dates? [duplicate]
...u’ve literally got two date objects, you can subtract one from the other and query the resulting timedelta object for the number of days:
>>> from datetime import date
>>> a = date(2011,11,24)
>>> b = date(2011,11,17)
>>> a-b
datetime.timedelta(7)
>>> ...
Transposing a NumPy array
I use Python and NumPy and have some problems with "transpose":
16 Answers
16
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How to create a file in Linux from terminal window? [closed]
... want the file to contain:
touch /path/to/file for an empty file
somecommand > /path/to/file for a file containing the output of some command.
eg: grep --help > randomtext.txt
echo "This is some text" > randomtext.txt
nano /path/to/file or vi /path/to/file (or any other editor e...
How to send an email with Python?
This code works and sends me an email just fine:
11 Answers
11
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Changing default shell in Linux [closed]
How is it possible to change the default shell? The env command currently says:
3 Answers
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How do I use shell variables in an awk script?
...ss external shell variables to an awk script, but I'm confused about ' and " .
7 Answers
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Get current URL with jQuery?
I am using jQuery. How do I get the path of the current URL and assign it to a variable?
32 Answers
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Does python have a sorted list?
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The standard Python list is not sorted in any form. The standard heapq module can be used to append in O(log n) to an existing list and remove the smallest one in O(log n), but isn't a sorted list in your definition.
There are var...
C++ cout hex values?
...o control the exact formatting of the output number, such as leading zeros and upper/lower case.
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