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Liza Couser
Liza Couser

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Jun 1, 2022

LS 181 Study Guide

SQL What is it? SQL is a language used by Relational Database Management Systems (RDBMSs) to work with relational databases. Relational databases are structured collections of data persisted as a set of relations (aka tables). Put more simply, relational data means working with multiple tables at once. …

26 min read

LS 181 Study Guide
LS 181 Study Guide

26 min read


Dec 13, 2021

JS 171 Study Guide

Overview What is the internet? The internet is a network of networks. It consists of network infrastructure (all the devices, routers, cables, hubs, switches, etc that it needs to function) AND protocols that guide the transmission of messages and allow the infrastructure to function. What is a network? At a minimum, a network is two or more devices connected…

18 min read

18 min read


Dec 8, 2021

How the internet works

Trying to understand the internet is overwhelming. The user experience is so abstracted, it’s hard to imagine what’s going on underneath the surface. But, if you’re interested in web development, I’m told it’s pretty important to get a feel for how it all works AND I was given the assignment…

6 min read

6 min read


Oct 31, 2021

JS 139 Review Sheet

JavaScript Topics Hoisting Hoisting is what happens during the creation phase of a program. Hoisting makes the code act as if all variable, class, and function declarations are moved to the top of their respective scopes (function for functions and var, block for class, let, and const). It doesn’t change the program, just…

21 min read

21 min read


Jun 24, 2021

JS 129: Notes Review

Topics of Interest Objects Casual Definition: Anything that contains data and is not a primitive type. Object literals, arrays, dates, functions, anything created by a constructor…. Objects consist of key value pairs. An array uses indexes as keys. Object values can be functions, and these are called methods. STATE + BEHAVIOR. Example: { key…

17 min read

17 min read


Jan 29, 2021

Learning to code with Javascript part 1

Started Launch School in the pandemic of 2020 and never looked back. Reached the end of JS 101. Here’s some scrappy notes turned into an even scrappier blog! PEDAC Solve any problem with PEDAC — your five step tool for taking on the world! Let’s break it down: Step 1: Understanding the Problem Step 2: Examples & Edge cases Step 3: Determine your Datatypes Step 4: Come up with an…

10 min read

10 min read

Liza Couser

Liza Couser

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