Linux multi terminal
Beside screen you can consider tmux Install tmux Basic command tmux cheatsheet
Category: Tech
Install docker on Ubuntu 18.10
Install docker: https://docs.docker.com/install/linux/docker-ce/ubuntu/#docker-ee-customers Note Error from fetching => edit app source and change cosmic to bionic Docker useful command Uninstall Docker
Javascript extract info from regex
Docs: https://flaviocopes.com/javascript-regular-expressions/ Pattern test: https://regexr.com Example
Generate new bitcoin wallet using bitcoinjs
Install Source
Get wallet address from WIF with bitcoinjs
BITCOIN Convert private key to WIF Install Source
BITCOIN Convert private key to WIF
Bitcoin private key In Bitcoin, a private key is a 256-bit number, which can be represented one of several ways. Here is a private key in hexadecimal – 256 bits…
Flutter singleton separate approach
Singleton Normal class Avoid use factory to override default constructor, the source can be not transparent. Here the approach singleton using Factory
Jenkins: Fix command not found
Error In project config, you use default execution file on slave via ssh, you will get error “Fix command not found” FIX => As default, jenkins will use default PATH…
Flutter OneSignal example snipcode
SDK: https://documentation.onesignal.com/docs/flutter-sdk Github: https://github.com/OneSignal/OneSignal-Flutter-SDK Sample code Get player id Remember user OneSignal.shared instead of OneSignal()
[Newbie] Chapter 4. Widget’s state
[Newbie] Chapter 1. Flutter overview [Newbie] Chapter 2. Flutter getting started [Newbie] Chapter 3. Flutter initial setup Content Widget lifecycle State management approach Widget’s lifecycle Flutter has two types of…