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Make sure only a single instance of a program is running
... me to notify the running instance, so it creates another window, pops up, etc.
– WhyNotHugo
Jun 17 '11 at 3:16
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How to use ng-repeat without an html element
...he simply wanted to generate an open-tag, then a close tag somewhere else, etc.. just like in the good old days when we would concat our html from strings.. right? no.
as for flattening the structure into a list, here's another solution:
// assume the following structure
var structure = [
{
...
In Flux architecture, how do you manage Store lifecycle?
...natedList
Stores pagination state and enforces certain assertions (can't fetch page while fetching, etc).
class PaginatedList {
constructor(ids) {
this._ids = ids || [];
this._pageCount = 0;
this._nextPageUrl = null;
this._isExpectingPage = false;
}
getIds() {
return thi...
Gradients in Internet Explorer 9
...he gradient, or make it more sophisticated (radial gradients, transparency etc.) but this is great for those simple (vertical) linear gradients.
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How does collections.defaultdict work?
...interesting when the values in a dictionary are collections (lists, dicts, etc.) In this case, the value (an empty list or dict) must be initialized the first time a given key is used. While this is relatively easy to do manually, the defaultdict type automates and simplifies these kinds of operatio...
Python memory usage of numpy arrays
...ngling' numpy.ndarray's, in particular the ones that are stored in _1, _2, etc that were never really meant to stay alive.
I use this code to get a listing of all of them and their size.
Not sure if locals() or globals() is better here.
import sys
import numpy
from humanize import naturalsize
...
Where is a complete example of logging.config.dictConfig?
... django-specific? What if I'm using a different framework (Flask, Bottle, etc), or not even working on a web application?
– Adam Parkin
Dec 18 '18 at 21:04
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Download a file from NodeJS Server using Express
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For static files like pdfs, Word docs, etc. just use Express's static function in your config:
// Express config
var app = express().configure(function () {
this.use('/public', express.static('public')); // <-- This right here
});
And then just put all y...
Relation between CommonJS, AMD and RequireJS?
...sically, CommonJS specifies that you need to have a require() function to fetch dependencies, an exports variable to export module contents and a module identifier (which describes the location of the module in question in relation to this module) that is used to require the dependencies (source). C...
Arduino101（Genuino 101）&App Inventor – RGB LED控制 - 创客硬件开...
.../2017/02/ ... %e6%8e%a7%e5%88%b6/
本文將介紹如何取得觸碰點的 RGB 參數之後透過 BLE 送給 Arduino 101 來點亮 RGB LED。
App InventorDesigner使用 Canvas 來取得觸碰點座標。兩個連線斷線用的按鈕：Btn_Connect / Btn_DisConnect三個用來呈現RG...