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Join a list of items with different types as string in Python
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B. Willems
1533 bronze badges
answered Aug 28 '10 at 9:09
Mark ByersMark Byers
683k155155 g...
How should I call 3 functions in order to execute them one after the other?
...e have three asynchronous functions that we want to execute in order, some_3secs_function, some_5secs_function, and some_8secs_function.
Since functions can be passed as arguments in Javascript, you can pass a function as a callback to execute after the function has completed.
If we create the fun...
How to shuffle a std::vector?
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203
From C++11 onwards, you should prefer:
#include <algorithm>
#include <random>
auto...
Show data on mouseover of circle
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Lars KotthoffLars Kotthoff
98.3k1313 gold badges176176 silver badges180180 bronze badges
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What is the most efficient way to concatenate N arrays?
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335
If you're concatenating more than two arrays, concat() is the way to go for convenience and li...
What does |= (ior) do in Python?
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53
|= performs an in-place+ operation between pairs of objects. In particular, between:
sets: a u...
GLib compile error (ffi.h), but libffi is installed
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Scott Skiles
2,53322 gold badges2020 silver badges4242 bronze badges
answered Jul 8 '13 at 1:49
Eric Milliot-Martinez...
Command line CSV viewer? [closed]
...e demonstrates how to use sed to insert a placeholder:
$ cat data.csv
1,2,3,4,5
1,,,,5
$ sed 's/,,/, ,/g;s/,,/, ,/g' data.csv | column -s, -t
1 2 3 4 5
1 5
$ cat data.csv
1,2,3,4,5
1,,,,5
$ column -s, -t < data.csv
1 2 3 4 5
1 5
$ sed 's/,,/, ,/g;s/,,/, ,/g' data.csv | column ...
How to delete items from a dictionary while iterating over it?
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309
EDIT:
This answer will not work for Python3 and will give a RuntimeError.
RuntimeError: d...
Python's “in” set operator
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13
If someone implemented his class's hash function in a twisted way, this is what he may get (and deserve).
– ugoren
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