Olivier JM Maniraho OlivierJM

Contributing

When contributing to this repository, please first discuss the change you wish to make via issue, email, or any other method with the owners of this repository before making a change.

Please note we have a code of conduct, please follow it in all your interactions with the project.

Pull Request Process

Ensure that the project is building successfully

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

Clarify and agree on the scope of the system

User cases (description of sequences of events that, taken together, lead to a system doing something useful)
- Who is going to use it?
- How are they going to use it?

Rails Migration

http://guides.rubyonrails.org/migrations.html

Migrations methods:

add_column
add_index
change_column
change_table
create_table
drop_table

	#!/bin/bash
	# Script adb+
	# Usage
	# You can run any command adb provides on all your currently connected devices
	# ./adb+ <command> is the equivalent of ./adb -s <serial number> <command>
	#
	# Examples
	# ./adb+ version
	# ./adb+ install apidemo.apk
	# ./adb+ uninstall com.example.android.apis

	#!/bin/bash

	DB=$1
	COLLECTIONS=$(mongo localhost:27017/$DB --quiet --eval "db.getCollectionNames()" \| sed 's/,/ /g')

	for collection in $COLLECTIONS; do
	echo "Exporting $DB/$collection ..."
	mongoexport -d newtickettoolDB -c $collection -o $collection.json
	done

	/* HOC fundamentally is just a function that accepts a Component and returns a Component:
	(component) => {return componentOnSteroids; } or just component => componentOnSteroids;
	Let's assume we want to wrap our components in another component that is used for debugging purposes,
	it just wraps them in a DIV with "debug class on it".
	Below ComponentToDebug is a React component.
	*/

	//HOC using Class
	//it's a function that accepts ComponentToDebug and implicitly returns a Class
	let DebugComponent = ComponentToDebug => class extends Component {

	//...
	// some interfaces imports skipped
	//...

	const createDirectUploadMutation = `
	mutation createDirectUploadMutation(
	$filename: String!
	$byteSize: Int!
	$contentType: String!
	) {

	# nil? can be used on any Ruby object. It returns true only if the object is nil.
	nil.nil? # => true
	[].nil? # => false
	{}.nil? # => false
	"".nil? # => false
	" ".nil? # => false
	true.nil? # => false

	# empty? can be used on some Ruby objects including Arrays, Hashes and Strings. It returns true only if the object's length is zero.
	nil.empty? # NoMethodError: undefined method `empty?' for nil:NilClass

	var filenameFull = "tm_icons.png";
	//Regex to remove
	var filenameText = filenameFull.replace(/\.[^/.]+$/, "");