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What's the best way to check if a String represents an integer in Java?
...nge looking. I would have used (c < '0' || c > '9')... are the <= and >= operators faster in Java?
– Anonymous
Oct 26 '08 at 1:43
3
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What's the difference between tag and release?
...st from the GitHub blog: "Releases are first-class objects with changelogs and binary assets that present a full project history beyond Git artifacts."
A Release is created from an existing tag and exposes release notes and links to download the software or source code from GitHub.
Using GitHub...
CSS force image resize and keep aspect ratio
I am working with images, and I ran across a problem with aspect ratios.
23 Answers
23...
List directory tree structure in python?
...
Similar to answers above, but for python3, arguably readable and arguably extensible:
from pathlib import Path
class DisplayablePath(object):
display_filename_prefix_middle = '├──'
display_filename_prefix_last = '└──'
display_parent_prefix_middle = ' '
...
How to do the equivalent of pass by reference for primitives in Java
...lass member variable.
Choice 4: Create a single element array of type int and pass that
This is considered a hack, but is sometimes employed to return values from inline class invocations.
void play(int [] toyNumber){
System.out.println("Toy number in play " + toyNumber[0]);
toyNumbe...
Is there a way to provide named parameters in a function call in JavaScript?
...
ES2015 and later
In ES2015, parameter destructuring can be used to simulate named parameters. It would require the caller to pass an object, but you can avoid all of the checks inside the function if you also use default parameters...
What is the Invariant Culture?
...xample to demonstrate the usage of the Invariant Culture ? I don't understand what the documentation describes.
5 Answers
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Get average color of image via Javascript
...e.net/xLF38/818/
Note, this will only work with images on the same domain and in browsers that support HTML5 canvas:
function getAverageRGB(imgEl) {
var blockSize = 5, // only visit every 5 pixels
defaultRGB = {r:0,g:0,b:0}, // for non-supporting envs
canvas = document.createE...
What are the differences between ipython and bpython?
What does ipython have that bpython lacks and vice versa? How do the two differ?
2 Answers
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Python 3 turn range to a list
...gh since you can come by the value of my_list[i] more efficiently (i + 1), and if you just need to iterate over it, you can just fall back on range.
Also note that on python2.x, xrange is still indexable1. This means that range on python3.x also has the same property2
1print xrange(30)[12] works ...