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Accessing dict_keys element by index in Python3
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Call list() on the dictionary instead:
keys = list(test)
In Python 3, the dict.keys() method returns a dictionary view object, which acts as a set. Iterating over the dictionary directly also yields keys, so turning a dictionary into a list results in a list of all the keys:
>>> te...
How to get different colored lines for different plots in a single figure?
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432
Matplotlib does this by default.
E.g.:
import matplotlib.pyplot as plt
import numpy as np
x ...
Set width of a “Position: fixed” div relative to parent div
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answered May 3 '11 at 19:02
jeroenjeroen
87.4k2020 gold badges106106 silver badges128128 bronze badges
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Set value for particular cell in pandas DataFrame using index
...y df.
In [18]: %timeit df.set_value('C', 'x', 10)
100000 loops, best of 3: 2.9 µs per loop
In [20]: %timeit df['x']['C'] = 10
100000 loops, best of 3: 6.31 µs per loop
In [81]: %timeit df.at['C', 'x'] = 10
100000 loops, best of 3: 9.2 µs per loop
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Get value of dynamically chosen class constant in PHP
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Brad
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answered May 27 '11 at 2:20
Dan SimonDan Sim...
Correct way to find max in an Array in Swift
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302
Given:
let numbers = [1, 2, 3, 4, 5]
Swift 3:
numbers.min() // equals 1
numbers.max() // e...
Listing all permutations of a string/integer
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I found the pseudocode on http://www.programmersheaven.com/mb/Algorithms/369713/369713/permutation-algorithm-help/:
makePermutations(permutation) {
if (length permutation < required length) {
for (i = min digit to max digit) {
if (i not in permutation) {
makePermutations(per...
Full-screen iframe with a height of 100%
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edited Apr 17 '14 at 3:24
bjb568
9,3701111 gold badges4242 silver badges6464 bronze badges
answered...
Get a filtered list of files in a directory
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answered Feb 8 '10 at 23:05
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
667k127127 gold badges11911191 silver badges12501250 bronze badges
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How can I add new array elements at the beginning of an array in Javascript?
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2943
Use unshift. It's like push, except it adds elements to the beginning of the array instead of th...