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Lesson Guides MAMP: set up a local site with a virtual host Give each local project its own address, like mysite.test, in MAMP on a Mac. I turn on virtual hosts, add the site, map the name in /etc/hosts and restart. September 6, 2019 · 3 min read

Lesson Cheat sheets MySQL JOINs explained: INNER, LEFT, RIGHT, FULL, CROSS, self What each MySQL JOIN returns, shown with two small tables and the real rows that come back. Plus how I build a FULL OUTER JOIN, which MySQL doesn't have. August 21, 2019 · 7 min read

Dev log Git Git warning: LF will be replaced by CRLF, and how to fix it Git is converting line endings, usually because core.autocrlf is true on Windows. It's harmless, and a .gitattributes file fixes it for the whole team. July 17, 2019 · 5 min read

Trick Terminal How to create and use shell aliases on macOS and Linux An alias turns a long command into a short one, like alias ll='ls -lah'. Add it to ~/.zshrc on a Mac or ~/.bashrc on Linux to keep it for good. June 19, 2019 · 4 min read

Trick Terminal How to kill a process using a TCP port on Mac Find what's holding the port with lsof -nP -iTCP:8000 -sTCP:LISTEN, then stop it with kill PID. I keep kill -9 as a last resort. June 17, 2019 · 4 min read

Lesson Explainers What is Laravel Blade? Templates, layouts and components Blade is Laravel's template language. It gives you HTML files with {{ }} for safely escaped output, @ directives for loops and conditions, layouts and components. May 13, 2019 · 4 min read

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Trick Terminal How to add a folder to your $PATH on Mac (zsh and bash) Add export PATH="$HOME/.local/bin:$PATH" to ~/.zprofile and open a new Terminal window. Typing export on its own only changes the current window. April 21, 2019 · 5 min read

Dev log WordPress How to find the WordPress version of any site Six ways to find which WordPress version a site runs, from the dashboard and WP-CLI to the page source and feed. Plus why hiding the version is not real security. April 17, 2019 · 4 min read

Dev log JavaScript Gulp for Sass and JavaScript: a modern gulpfile A Gulp 5 setup that compiles Sass, bundles and minifies JavaScript, adds source maps and watches for changes. Copy it into a WordPress theme or any project. April 5, 2019 · 4 min read

Dev log Git Git stash: how to save work and switch branches git stash -u saves your uncommitted changes, including new files, and gives you a clean working tree. git stash pop brings them back. March 17, 2019 · 4 min read

Dev log Git Git cherry-pick: copy a commit to another branch Switch to the branch that needs the change, find the commit hash, and run git cherry-pick . Git copies that one commit and merges nothing else. March 16, 2019 · 4 min read