Adam Loftin aloftin

Eric Elliott's "Master the JavaScript Interview" Series

A collection of links to the "Master the JavaScript Interview" series of medium stories by Eric Elliott.

Change your database RDS instance security group to allow your machine to access it.
- Add your ip to the security group to acces the instance via Postgres.
Make a copy of the database using pg_dump
- $ pg_dump -h <public dns> -U <my username> -f <name of dump file .sql> <name of my database>
- you will be asked for postgressql password.
- a dump file(.sql) will be created
Restore that dump file to your local database.
- but you might need to drop the database and create it first
- $ psql -U <postgresql username> -d <database name> -f <dump file that you want to restore>

A tweet-sized debugger for visualizing your CSS layouts. Outlines every DOM element on your page a random (valid) CSS hex color.

One-line version to paste in your DevTools

Use $$ if your browser aliases it:

~ 108 byte version

	let tweets = document.querySelectorAll('article div [aria-label$="Reply"]')

	for (let i = 0; i < tweets.length; i++) {
	let likeButton = tweets[i].parentElement.parentElement.children[2]
	let historyButton = likeButton.cloneNode(true)
	historyButton.children[0].children[0].children[0].remove()
	historyButton.children[0].children[0].children[0].children[0].children[0].innerHTML = 'History'
	likeButton.after(historyButton)
	}

	<?

	//
	// AUTO KEYWORD-BASED FOLLOWER CURATION BOT (by @levelsio)
	//
	// File: twitterFollowerCuratorBot.php
	//
	// Created: May 2021
	// License: MIT
	//

	buf, bodyErr := ioutil.ReadAll(r.Body)
	if bodyErr != nil {
	log.Print("bodyErr ", bodyErr.Error())
	http.Error(w, bodyErr.Error(), http.StatusInternalServerError)
	return
	}

	rdr1 := ioutil.NopCloser(bytes.NewBuffer(buf))
	rdr2 := ioutil.NopCloser(bytes.NewBuffer(buf))
	log.Printf("BODY: %q", rdr1)