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Rocket Science

Christian Engel Paratron

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@Paratron
Paratron / docker-shell.sh
Created Feb 5, 2019
Open a shell into a running docker container
View docker-shell.sh
docker exec -ti container_id bash
@Paratron
Paratron / storageHooks.js
Created Feb 14, 2019
Enables you to use hooks for localStorage and sessionStorage that even redraw all components when their respective values change.
View storageHooks.js
import React from "react";
let lsBus = {};
let ssBus = {};
/**
* Redraw all components that have a hook to localStorage with the given key.
* @param {string} key
* @param {*} newValue
*/
@Paratron
Paratron / color-log.js
Created May 21, 2019
This tiny wrapper around chalk enables easy coloring of log messages.
View color-log.js
/**
* Chalk powered color log
* =======================
* This module is a wrapper around the chalk package to provide
* simpler log message formatting.
* To switch a color inside your log message, simply use ´X where
* X is one of the color names in the chalkMap below.
*
* Example:
*
@Paratron
Paratron / docker-compose.yml
Last active Feb 5, 2019
Quick Apache only server for a project
View docker-compose.yml
# This will start a apache server and maps it to the local port 80
# It will assume your hosted content in the folder ./src
version: '2'
services:
apache2:
image: webdevops/apache:latest
volumes:
- ./src:/app
ports:
- 80:80
@Paratron
Paratron / scss.md
Last active Jan 18, 2019
Use SCSS to CSS converter for your project
View scss.md

Use SCSS to CSS converter for your project

  • npm install --save-dev node-sass
  • Add script to package.json: node-sass --watch INPUTFOLDER -o OUTPUTFOLDER
  • Run script, enjoy
@Paratron
Paratron / async-nodeJS.js
Created Dec 12, 2018
Simple async functionality for native style nodeJS functions
View async-nodeJS.js
// The normal async programming flow in nodeJS can get hairy, quickly:
function readAndParse(filename, callback){
fs.readFile(filename, 'utf8', (err, data) => {
if(err){
callback(err, null);
return;
}
myParser.doParsing(data, (err, result) => {
@Paratron
Paratron / promisifyModule.js
Last active Dec 12, 2018
This node module will consume another module and promisify all of its functions.
View promisifyModule.js
const {promisify} = require('util');
const promisifyModuleFunctions = (inModule) => Object
.entries(inModule)
.reduce((outModule, [key, property]) => {
outModule[key] = (typeof property === 'function')
? promisify(property)
: property;
return outModule;
View array-to-object.js
const myObject = ['a', 'b', 'c'].reduce((obj, key) => (obj[key] = key, obj), {});
@Paratron
Paratron / agents.md
Last active Sep 5, 2018
Social Network Crawler User Agents
View agents.md

#Social Network Crawler User Agents Users can post URLs on a lot of different platforms nowadays. Most of those platforms will send a request to that URL to generate some preview data from it.

These are a couple of user agents I quickly tested out.

##Facebook

facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
View Create react app with custom scripts.sh
# With SASS
create-react-app APPNAME --scripts-version custom-react-scripts
# With typescript
create-react-app APPNAME --scripts-version=react-scripts-ts
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