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Polymorphism: Why use “List list = new ArrayList” instead of “ArrayList list = new ArrayList”? [dupl
... fairly large 3rd party library, and say that you decided to implement the core of your library with a LinkedList. If your library relies heavily on accessing elements in these lists, then eventually you'll find that you've made a poor design decision; you'll realize that you should have used an Arr...
Is it possible to pass a flag to Gulp to have it run tasks in different ways?
...equire('gulp-rename'),
uglify = require('gulp-uglify');
gulp.task('my-js-task', function() {
gulp.src('src/**/*.js')
.pipe(concat('out.js'))
.pipe(gulpif(argv.production, uglify()))
.pipe(gulpif(argv.production, rename({suffix: '.min'})))
.pipe(gulp.dest('dist/'));
});
And c...
Where does forever store console.log output?
... to ERRFILE
For example:
forever start -o out.log -e err.log my-script.js
See here for more info
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Changing three.js background to transparent or other color
...
I came across this when I started using three.js as well. It's actually a javascript issue. You currently have:
renderer.setClearColorHex( 0x000000, 1 );
in your threejs init function. Change it to:
renderer.setClearColorHex( 0xffffff, 1 );
Update: Thanks to HdN8 ...
What is the difference between JSON and Object Literal Notation?
...aScript is the most popular implementation of the ECMAScript Standard.
The core features of Javascript are based on the ECMAScript standard, but Javascript also has other additional features that are not in the ECMA specifications/standard. Every browser has a JavaScript interpreter.
JavaScript is...
How to check if a user likes my Facebook Page or URL using Facebook's API
... $sig = base64_decode(strtr($encoded_sig, '-_', '+/'));
$data = json_decode(base64_decode(strtr($payload, '-_', '+/'), true));
return $data;
}
return false;
}
if($signed_request = parsePageSignedRequest()) {
if($signed_request->page->liked) {
echo "This c...
How to uglify output with Browserify in Gulp?
....task('browserify', function() {
return browserify('./source/scripts/app.js')
.bundle()
.pipe(source('bundle.js')) // gives streaming vinyl file object
.pipe(buffer()) // <----- convert from streaming to buffered vinyl file object
.pipe(uglify()) // now gulp-uglify works
.p...
JavaScript string encryption and decryption?
...
var encrypted = CryptoJS.AES.encrypt("Message", "Secret Passphrase");
//U2FsdGVkX18ZUVvShFSES21qHsQEqZXMxQ9zgHy+bu0=
var decrypted = CryptoJS.AES.decrypt(encrypted, "Secret Passphrase");
//4d657373616765
document.getElementById("demo1")....
How to execute shell command in Javascript
...nd answer assuming that when the asker said "Shell Script" he meant a Node.js backend JavaScript. Possibly using commander.js to use frame your code :)
You could use the child_process module from node's API. I pasted the example code below.
var exec = require('child_process').exec, child;
child...
python pandas remove duplicate columns
...mory efficient version that treats nans like any other value:
from pandas.core.common import array_equivalent
def duplicate_columns(frame):
groups = frame.columns.to_series().groupby(frame.dtypes).groups
dups = []
for t, v in groups.items():
cs = frame[v].columns
vs =...