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Running bash script from within python
... subprocess.check_call("./script.sh '%s'" % arg, shell=True)
Remember to convert the args to string before passing, using str(arg).
This can be used to pass as many arguments as desired:
subprocess.check_call("./script.ksh %s %s %s" % (arg1, str(arg2), arg3), shell=True)
...
SQL- Ignore case while searching for a string
... Like to know does your answer has any performance issue by converting a column value to UPPER or LOWER case then using the LIKE to search ?
– shaijut
Aug 29 '18 at 9:27
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How to take screenshot of a div with JavaScript?
...ock waits for the button with the id btnSave to be clicked. When it is, it converts the widget div to a canvas element and then uses the saveAs() FileSaver interface (via FileSaver.js in browsers that don't support it natively) to save the div as an image named "Dashboard.png".
An example of this ...
Check if item is in an array / list
... are going to be doing repeated checks on the list, then it might be worth converting it to a set or frozenset, which can be faster for each check. Assuming your list of strs is called subjects:
subject_set = frozenset(subjects)
if query in subject_set:
# whatever
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Is 1.0 a valid output from std::generate_canonical?
...The standard could ensure correct behavior if it were to specify that when converting from the output of the URNG to the RealType of generate_canonical, rounding is to be performed towards negative infinity; this would give a correct result in this case. As QOI, it would be good for libstdc++ to ma...
Sorting HashMap by values [duplicate]
...exity of O(n^2) due to repeatedly looking up in values in two while loops. Converting the Entry Set to a List and then sorting the List based on a comparator would be a more efficient solution.
– picmate 涅
May 21 '16 at 2:53
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Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu
...ou want to change a 64 bit ELF to 32 bit ELF and it is showing error while converting.
You can simply run the commands
apt-get install gcc-multilib g++-multilib
which will update your libraries
Packages upgraded:
The following additional packages will be installed:
g++-8-multilib gcc-8-m...
Parse string to date with moment.js
...'s string is in a standard Date format. Stephen Paul's answer shows how to convert any string, given a specific format, to a date that can be manipulated.
– Agamemnus
Mar 23 '19 at 21:05
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Equation for testing if a point is inside a circle
... x, 2) + Math.Pow(center_y - y, 2))
return D <= radius
that's in C#...convert for use in python...
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Java: splitting a comma-separated string but ignoring commas in quotes
... library for reading (and possibly writing) CSV files?
Java lib or app to convert CSV to XML file?
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