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Múltiplas chaves SSH para GitHub e GitLab

1. Gerar Chaves SSH

ssh-keygen -t rsa -C "user@email.com" -b 4096 -f ~/.ssh/id_rsa_github
ssh-keygen -t rsa -C "user@email.com" -b 4096 -f ~/.ssh/id_rsa_gitlab

2. Copiar chaves para GitHub e GitLab

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update-alternatives --list python

sudo update-alternatives --install /usr/bin/python python /usr/local/bin/python3.8 3

Found at https://linuxconfig.org/how-to-change-from-default-to-alternative-python-version-on-debian-linux.

Make pip point to a python 3.x version: https://stackoverflow.com/questions/38938205/how-to-override-the-pip-command-to-python3-x-instead-of-python2-7.

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• I'm using Nodejs 12.16.1 both locally and on the AWS Device Farm.

• Same thing goes to the Appium version. Both locally and on AWS, the version I'm using is 1.17.1

• Regarding webdriverio, and as shown at this gist below, I'm using "webdriverio": "^6.1.7". This is installed on AWS Device Farm at the install phase by running npm install.

• webdriverio shared configs

exports.config = {
    port: 4723,
    runner: 'local',

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DISCLAIMER: The steps below were done on the Ubuntu OS.

Terminal Setup

You can follow this guide (in Pt-BR). And here you can find a .zshrc file example.

Docker Setup

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Using only the Windows cmd

1. Open the command prompt of windows
2. Type wmic
3. On the wmic prompt type the output command followed by the path of the txt file and the command to list the programs. It is going to be like the following:

• /output:C:\Users\<yourUser>\Documents\programsInstalled\listOfProgramsInstalledWin10.txt product get name,version

4. Wait for the wmic prompt get back to you again and you'll know it has finished listing the files into the txt file

Python script to display the list of programs installed on windows

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// more details at:
// - https://create-react-app.dev/docs/adding-typescript/

module.exports = {
  env: {
    browser: true,
    es6: true,
    jest: true,
  },
  extends: [

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What's regex?

Define a search pattern that can be used to search for things in a string.

Some regex symbols to match patterns

• .test( . . . ) : returns true or false
• match( . . . ) : returns the match
• /patternToLookFor/ig: i and g at the end are flags meaning can insensitiveness and every occurrence, respectively.
• . : match anything with a wildcard period
• [ ]: match single characters with multiple possibilities

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Current set up

# ############# CUSTOMIZING THE BASH TERMINAL BELOW #######################
# get current branch in git repo
function parse_git_branch() {
	BRANCH=`git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/'`
	if [ ! "${BRANCH}" == "" ]
	then
		STAT=`parse_git_dirty`
		echo "(${BRANCH}${STAT}) "

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Learning Data Structures and Interview Preps

• Article with useful links

• CoderByte: For interview preps and some free courses and problems

• GeeksForGeeks

  • Window Sliding Technique

• Over The Wire: Site for learning/practicing Linux commands lines through games and hacker stuff

• Hacker Rank Data Structures and Algorithms section

• Top 100 questions from LeetCode

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Some resources about Flutter

• Flutter resources Medium Article
• Podcast Part 1
• Podcast Part 2
• Google Codelabs Flutter
• Awesome Flutter

Layouts and stuff