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Remove all child elements of a DOM node in JavaScript
...low things down. You have to remove all the individual nodes for a reason. Tested in both Google Chrome and IE. Please consider removing the innerHTML "solution" since it's wrong.
– Kenji
Sep 21 '13 at 15:40
...
Textarea onchange detection
... to do this, but your probably shouldn't be using addEventListener as your test for browser-support. +1 in any case.
– Ben D
May 16 '13 at 21:41
1
...
Can you add new statements to Python's syntax?
...stmt | try_stmt | with_stmt | funcdef | classdef | decorated
if_stmt: 'if' test ':' suite ('elif' test ':' suite)* ['else' ':' suite]
while_stmt: 'while' test ':' suite ['else' ':' suite]
until_stmt: 'until' test ':' suite
[2]: This demonstrates a common technique I use when modifying source code ...
Writing files in Node.js
...PI. The most common way is:
const fs = require('fs');
fs.writeFile("/tmp/test", "Hey there!", function(err) {
if(err) {
return console.log(err);
}
console.log("The file was saved!");
});
// Or
fs.writeFileSync('/tmp/test-sync', 'Hey there!');
...
How to check if a string contains text from an array of substrings in JavaScript?
... then you can cheat a bit, like this:
if (new RegExp(substrings.join("|")).test(string)) {
// At least one match
}
...which creates a regular expression that's a series of alternations for the substrings you're looking for (e.g., one|two) and tests to see if there are matches for any of them, b...
How can I call controller/view helper methods from the console in Ruby on Rails?
....response
# you now have a rails response object much like the integration tests
> response.body # get you the HTML
> response.cookies # hash of the cookies
# etc, etc
share
|
...
puts vs logger in rails rake tasks
...ctiveSupport::Logger.broadcast(ActiveSupport::Logger.new(STDOUT)))
end
Test
Here's a small Rake task to test the above code :
# lib/tasks/stdout_and_log.rake
namespace :stdout_and_log do
desc "Test if Rails.logger outputs to STDOUT and log file"
task :test => :environment do
puts "H...
mongo group query how to keep fields
...e first matching entries for each group, you can try aggregating like:
db.test.aggregate({
$group: {
_id : '$name',
name : { $first: '$name' },
age : { $first: '$age' },
sex : { $first: '$sex' },
province : { $first: '$province' },
city : { $first: '$city' },
area : { $first:...
Java - get pixel array from image
I'm looking for the fastest way to get pixel data (int the form int[][] ) from a BufferedImage . My goal is to be able to address pixel (x, y) from the image using int[x][y] . All the methods I have found do not do this (most of them return int[] s).
...
Managing large binary files with Git
...ems like splitting them into a separate repo is a bad idea. We have large test suites that we break into a separate repo but those are truly "auxiliary" files.
However, you may be able to manage the files in a separate repo and then use git-submodule to pull them into your project in a sane way. ...