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How to create an HTTPS server in Node.js?
...ssewell.com/blog/2010/06/03/node-js-https-ssl-server-example/
This works for node v0.1.94 - v0.3.1. server.setSecure() is removed in newer versions of node.
Directly from that source:
const crypto = require('crypto'),
fs = require("fs"),
http = require("http");
var privateKey = fs.readFileS...
How to get a number of random elements from an array?
... I would suggest using Python's implementation if you are going for speed: jsperf.com/pick-random-elements-from-an-array
– Derek 朕會功夫
Aug 7 '17 at 23:29
...
Predicate Delegates in C#
...ence to a function that returns true or false. Predicates are very useful for filtering a list of values - here is an example.
using System;
using System.Collections.Generic;
class Program
{
static void Main()
{
List<int> list = new List<int> { 1, 2, 3 };
Pre...
How do I add an existing directory tree to a project in Visual Studio?
...stead of creating folders in Visual Studio, I create a directory structure for my project on the file system. How do I include all the folders and files in a project, keeping the structure?
...
Best timestamp format for CSV/Excel?
...t least to the second, and preferably to the millisecond. What's the best format for timestamps in a CSV file such that they can be parsed accurately and unambiguously by Excel with minimal user intervention?
...
How can I parse a YAML file in Python
...ion/deserialization provided in order to avoid introducing the possibility for arbitrary code execution.
Note the PyYaml project supports versions up through the YAML 1.1 specification. If YAML 1.2 specification support is needed, see ruamel.yaml as noted in this answer.
...
JavaScript + Unicode regexes
...
Situation for ES 6
The upcoming ECMAScript language specification, edition 6, includes Unicode-aware regular expressions. Support must be enabled with the u modifier on the regex. See Unicode-aware regular expressions in ES6.
Until ES ...
Will console.log reduce JavaScript execution performance?
... use of the debugging feature console.log reduce JavaScript execution performance? Will it affect the speed of script execution in production environments?
...
How to load images dynamically (or lazily) when users scrolls them into view
...
Some of the answers here are for infinite page. What Salman is asking is lazy loading of images.
Plugin
Demo
EDIT: How do these plugins work?
This is a simplified explanation:
Find window size and find the position of all images and their sizes
If ...
Database design for a survey [closed]
...lly the tables required. The survey contains different types of questions. For example: text fields for comments, multiple choice questions, and possibly questions that could contain more than one answer (i.e. check all that apply).
...