jonjack

Comparing commits

To compare last two commits.

git diff HEAD^ HEAD

Since comparison with HEAD is the default you can omit it for even shorter syntax.

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Using an Access Token for the first time

Follow the instructions on Github to Create an Access Token in Github

Configure Git to use the osxkeychain

By default, git credentials are not cached so you need to tell Git if you want to avoid having to provide them each time Github requires you to authenticate. On Mac, Git comes with an “osxkeychain” mode, which caches credentials in the secure keychain that’s attached to your system account.

You can tell Git you want to store credentials in the osxkeychain by running the following:-

jonjack

Install MySQL

See what formula are available.

brew search mysql

==> Formulae

jonjack

scala.collection.Searching provides binary search but you need an Indexed sequence (eg. Array), not a Linear sequence (eg. List). Search will still work on the List but you get linear O(n) behaviour rather than O(Log n).

case class Employee (id: Int, name: String, age: Int)

val emp1 = Employee(1, "Jane Doe", 45)
val emp2 = Employee(2, "Jon Doe", 54)
val emp3 = Employee(3, "Tera Patrick", 38)
val emp4 = Employee(4, "Jenna Jameson", 36)
val emp5 = Employee(5, "Aurora Snow", 34) // not added

jonjack

jonjack

#!/bin/bash

# create directory for python install
sudo mkdir -p /opt/bin
sudo chown -hR core:core /opt
cd /opt

# check for newer versions at http://downloads.activestate.com/ActivePython/releases/
wget http://downloads.activestate.com/ActivePython/releases/3.6.0.3600/ActivePython-3.6.0.3600-linux-x86_64-glibc-2.3.6-401834.tar.gz
tar -xzvf ActivePython-3.6.0.3600-linux-x86_64-glibc-2.3.6-401834.tar.gz

jonjack

#!/usr/bin/env zsh

git show-branch -a \
| grep '\*' \
| grep -v `git rev-parse --abbrev-ref HEAD` \
| head -n1 \
| sed 's/.*\[\(.*\)\].*/\1/' \
| sed 's/[\^~].*//'

jonjack

Program: Visual Studio Code
Extension: Code Runner 0.9.10 (code-runner-0.9.10)
Problem: When attempting to run a script/program, VS Code reports error: "command 'code-runner.run'"
Fix: Manually edit extension code.

Edit extension file codeManager.js
On macOS this is usually at ~/.vscode/extensions/formulahendry.code-runner-0.9.10/out/src/codeManager.js

Comment out line 12.

jonjack

cask "mysqlworkbench-8.0.22" do
  version "8.0.22"
  sha256 "4e27de82d869043cf80e803f1a57cc041a91cabddf0aa6a6c054d68af1837d48"
  url "https://downloads.mysql.com/archives/get/p/#{version.major}/file/mysql-workbench-community-#{version}-macos-x86_64.dmg"

  name "MySQL Workbench"
  desc "Visual tool to design, develop and administer MySQL servers"
  homepage "https://www.mysql.com/products/workbench/"

  app "MySQLWorkbench.app"

jonjack

cask "mysqlworkbench-8.0.25" do
  version "8.0.25"
  sha256 "8da15d32d0c3cc8d43e49f8d3580ddec0d8dcd718153da7c934acf26f83ea0c5"
  url "https://cdn.mysql.com/Downloads/MySQLGUITools/mysql-workbench-community-#{version}-macos-x86_64.dmg"

  livecheck do
    url "https://dev.mysql.com/downloads/workbench/"
    strategy :page_match
    regex(/MySQL\s*Workbench\s*(\d+(?:\.\d+)*)/i)
  end