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How to install PostgreSQL's pg gem on Ubuntu?
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edited Oct 24 '13 at 21:33
Jonah
9,27555 gold badges3838 silver badges7474 bronze badges
answe...
Which Python memory profiler is recommended? [closed]
...(h.heap())
This gives you some output like this:
Partition of a set of 132527 objects. Total size = 8301532 bytes.
Index Count % Size % Cumulative % Kind (class / dict of class)
0 35144 27 2140412 26 2140412 26 str
1 38397 29 1309020 16 3449432 42 tuple
2 530 0 7398...
How to restart Activity in Android
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edited Aug 20 '13 at 23:07
answered Oct 20 '10 at 4:44
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Check if a number has a decimal place/is a whole number
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853
Using modulus will work:
num % 1 != 0
// 23 % 1 = 0
// 23.5 % 1 = 0.5
Note that this is bas...
How do I profile memory usage in Python?
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123
This one has been answered already here: Python memory profiler
Basically you do something like...
Copying text outside of Vim with set mouse=a enabled
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443
Press shift while selecting with the mouse. This will make mouse selection behave as if mouse=a ...
How to find all occurrences of a substring?
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edited May 16 '18 at 15:30
David Leon
89177 silver badges2121 bronze badges
answered Jan 12 '11 at 2:4...
Longest line in a file
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answered Jul 7 '10 at 3:33
DanielDaniel
2,76611 gold badge1313 silver badges22 bronze badges
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How to run a python script from IDLE interactive shell?
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Python3:
exec(open('helloworld.py').read())
If your file not in the same dir:
exec(open('./app/filename.py').read())
See https://stackoverflow.com/a/437857/739577 for passing global/local variables.
In deprecated Python ve...
Check if object value exists within a Javascript array of objects and if not add a new object to arr
...nst arr = [{ id: 1, username: 'fred' }, { id: 2, username: 'bill' }, { id: 3, username: 'ted' }];
function add(arr, name) {
const { length } = arr;
const id = length + 1;
const found = arr.some(el => el.username === name);
if (!found) arr.push({ id, username: name });
return arr...