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Installing Postgres via Brew

Pre-Reqs

Brew Package Manager

In your command-line run the following commands:

1. brew doctor
2. brew update

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Install with Homebrew

brew install redis

Set up launchctl to auto start redis

$ ln -sfv /usr/local/opt/redis/*.plist ~/Library/LaunchAgents

/usr/local/opt/redis/ is a symlink to /usr/local/Cellar/redis/x.y.z (e.g., 2.8.7)

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namespace :grape do
  desc 'Print compiled grape routes'
  task :routes => :environment do
    API.routes.each do |route|
      puts route
    end
  end
end

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Handling Page Transitions on Single Page Web Apps

Real world application with a lot of pages (or "screens") have to deal with problem managing the pages' DOM and memory efficiently and at the same provide a nice smooth transition effect between pages. This is not a real problem when you do it in native apps since Android or iOS already handle the hard work for you, but when come to JavaScript, HTML, and CSS, running on mobile browsers, this is the real challenge.

There are 2 common approaches to solve this problem:

• Approach 1: Keep all the pages in the DOM tree, use CSS (for example display) to transit between pages.

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cat <<EOF > ~/Library/LaunchAgents/com.$(whoami).jupyterlab.plist
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
        <key>KeepAlive</key>
        <true/>
        <key>Label</key>
        <string>com.$(whoami).jupyterlab</string>
        <key>ProgramArguments</key>

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/*
Usage:
 * Paste this into your dev tools console (or even better as a snippet)
 * It will parse the page and find all the things that create a new stacking context
   and dump some info about them to the console. It will also outline them on the page.

 * This is pretty rough and probably misses heaps of bugs and edge cases.
 */

function run() {

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######################################################
#
# My desktop is too messy for a long time. So I made
# a rule for it: Everything in my desktop should be
# temporary and should be deleted by the end of the
# day.
#
# This script will archive all items on your desktop
# to a directory. You will always have a clean
# desktop!

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import board
import busio
from time import sleep
from displayio import (
    Bitmap,
    Palette,
    Group,
    TileGrid,
    FourWire,

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/*
RUN THE SCRIPT BY YOURSELF:
- Run `node paddle-revenue.js` on your server and let it run 24/7.
- Access the API at http://your_server_ip:8175/ (JSON)

HOSTED VERSION:
If you don't want to run the script by your own, you can use the
hosted version. The price is $5 per month per Paddle account.

Here is how:

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if (document.querySelector('[data-element-id="side-bar-background"]')) {
    document.querySelector('[data-element-id="side-bar-background"]').style.backgroundColor = "black";
}