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Find nearest value in numpy array
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531
import numpy as np
def find_nearest(array, value):
array = np.asarray(array)
idx = (np....
Correct way to convert size in bytes to KB, MB, GB in JavaScript
...tBytes(1024); // 1 KB
formatBytes('1024'); // 1 KB
formatBytes(1234); // 1.21 KB
formatBytes(1234, 3); // 1.205 KB
Demo / source :
function formatBytes(bytes, decimals = 2) {
if (bytes === 0) return '0 Bytes';
const k = 1024;
const dm = decimals < 0 ? 0 ...
Python using enumerate inside list comprehension
...t that gets returned is as expected:
> [(0, 'a'), (1, 'b'), (2, 'c'), (3, 'd')]
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Understanding how recursive functions work
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answered Sep 5 '14 at 0:43
Catfish_ManCatfish_Man
38.6k1111 gold badges6363 silver badges8181 bronze badges
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What's the (hidden) cost of Scala's lazy val?
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edited Feb 20 '14 at 20:33
vergenzt
7,38333 gold badges2424 silver badges4141 bronze badges
answered J...
List of installed gems?
... >> Platform 0.4.0
# >> abstract 1.0.0
# >> actionmailer 3.0.5
# >> actionpack 3.0.5
# >> activemodel 3.0.5
# >> activerecord 3.0.5
Here's an updated way to get a list:
require 'rubygems'
def local_gems
Gem::Specification.sort_by{ |g| [g.name.downcase, g....
Are tuples more efficient than lists in Python?
...s much faster than assigning a list.
>>> def a():
... x=[1,2,3,4,5]
... y=x[2]
...
>>> def b():
... x=(1,2,3,4,5)
... y=x[2]
...
>>> import dis
>>> dis.dis(a)
2 0 LOAD_CONST 1 (1)
3 LOAD_CONST ...
How to scale down a range of numbers with a known min and max value
...el. I want the height and width of each ellipse to be in a range of say 1-30. I have methods that find the minimum and maximum values from my data set, but I won't have the min and max until runtime. Is there an easy way to do this?
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How to initialize an array's length in JavaScript?
Most of the tutorials that I've read on arrays in JavaScript (including w3schools and devguru ) suggest that you can initialize an array with a certain length by passing an integer to the Array constructor using the var test = new Array(4); syntax.
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