 Resources from Tyler Clark in 2024

You've got some practice with using SQL to select, update, and join database tables.

But perhaps you've found yourself with a sneaking suspicion that you could be more efficient with your PostgreSQL.

Does your query seem slow?

A lesson on how to profile queries will point you in the direction of a fix.

Are you performing multi-step operations one at a time that are susceptible to errors?

The "all or nothing" transaction is the cure.

These are just a couple of examples of the techniques, tips, and tricks that Tyler Clark has learned in his years of experience working on large scale production applications.

Other topics in this course include working with CSV files, different techniques for aggregating & filtering, and more!

Watch Tyler's course, and continue your journey toward SQL mastery.

Check out the [**Community Notes for this course.**](https://github.com/eggheadio-projects/advanced-sql-for-professional-developers)

PostgreSQL is a powerful, open source object-relational database system.

postgres

Advanced SQL for Professional Developers

It all starts with syntax. From there, once you’ve got the concepts down, you can move into using a framework where you figure out how to make things “just work”.

Everything is great, until it’s not.

If someone put you on the spot right now and asked you to explain `this`, would they like your answer?

What about prototypal inheritance or coercion?

In this workshop, you’ll be taking things to the next level, shining a light into “black-box” concepts like prototypes, the `this` keyword, and what primitive types are.

Tyler will walk you through each concept, and build your understanding through examples in the areas you need to know.

JavaScript® (often shortened to JS) is a lightweight, interpreted, object-oriented language with first-class functions, most known as the scripting language for Web pages, but used in many non-browser environments as well such as node.js or Apache CouchDB. It is a prototype-based, multi-paradigm scripting language that is dynamic, and supports object-oriented, imperative, and functional programming styles.

javascript

Advanced JavaScript Foundations

Can you center an HTML element? Do you know how the box model works? CSS is a fundamental language imperative to working with websites. It controls all the visual aspects of a site, from colors to layouts.

Even the most experienced developer can learn something new when it comes to using and understanding how the browser interprets CSS. In this course, we will slowly style a website according to a mocked image. Let’s walk through specificity, fonts, the box model, margins, padding, positioning, and much more!

Cascading Style Sheets bring order and beauty to our applications.

CSS Fundamentals 

This playlist will be a smorgasbord of Auth0 authentication and authorization topics. Everything from adding Auth0 to various apps, customizing your Auth0 settings, adding specific rules / audiences / features, and debugging errors. 

Auth0 Tips and Tricks 

Most applications rely on databases to store data. Understanding how to create a database and communicate with it unlocks a critical power in your web development career. 

In this course, Tyler presents all the building blocks of creating and interacting with a PostgreSQL database. From creating a brand new table, up through organizing and aggregating data across multiple tables, you will learn the fundamental skills of SQL — and you’ll be prepared to apply them right away.

After completing this course, you’ll be ready to tackle more challenging SQL topics like proper data modeling, normalizing data, and exploring different database types.


Check out the [**Community Notes for this course.**](https://github.com/eggheadio-projects/sql-fundamentals)

SQL Fundamentals

Can you center an HTML element? Do you know how the box model works? CSS is a fundamental language imperative to working with websites. It controls all the visual aspects of a site, from colors to layouts.

Even the most experienced developer can learn something new when it comes to using and understanding how the browser interprets CSS. In this course, we will slowly style a website according to a mocked image. Let’s walk through:

- specificity
- fonts
- the box model
- margins
- padding
- positioning
- and much more!

CSS Fundamentals

Algorithms are functions that are used to solve a class of problems. Really any piece of code can be a algorithm! There are common algorithm implementations that have proven to accomplish tasks faster than others. However, speed is not measured in seconds but in terms of growth (Big O notation). 

This course is designed to teach not only some of those algorithmic approaches to everyday problems but review the pitfalls and optimizations that comes with using them at all. They can be a dynamic and powerful way to optimize calculations, processes, and performing tasks. However, if used incorrectly it can not only destroy a system but can be a nightmare to untangle. Many programming positions today test the knowledge of an individual’s ability to understand and implement algorithms. Let’s work through  recursion, sorting, loops, and many more! 

Algorithms in JavaScript

How do inherent prototypes work?

You might not think this question applies to you, especially if you come from a classical background. But if you use objects, functions, or arrays, you're probably already using prototypes, and can benefit from learning the logic behind them. 

This course explores the mechanics of inheritance in JavaScript by showing how prototypes work as chained references to other objects. Learn to take full advantage of prototype shortcuts to make your work simpler and faster…and debug them if you hit a snag. 

We’ll explore: 

- how to manipulate prototypes to work like traditional classes
- how polymorphism and factory functions can be used within JavaScript
- how the `class`, `new`, and `this` keyword work and how to use them
- using the `instanceof`, `Object.create`, and `Object.getPrototypeOf` functions to explain why objects have the properties that they do

Develop the knowledge needed to use inheritance for faster, better, bug-free code.

Understanding JavaScript's Prototypal Inheritance

In this course we are going to work through properly setting up Enzyme with Jest to test rendered components. This includes the nitty gritty of making our testing environment work with various versions of React. After we get our environment setup ready, we’ll work through the different ways we can render a component within our test pages. With a rendered component we can now test component methods and properties to assert that they are what is intended. 

React is one of the web’s most popular frameworks for building JavaScript applications. 

If you know what you’re doing, React can drastically simplify how you build, use, and maintain code.

Whether you’re a React newbie or you’re ready for advanced techniques, you can level-up with egghead. Explore our in-depth courses, lessons, and community resources to build more powerful applications and crack open your career.

react

Test React Components with Enzyme and Jest

Optimizing your application is key to being able to provide your users with a clean and pleasurable experience.

To make your app as performant as possible, you have to send to the browser the least amount of code possible. Also, you want to render the least amount of components on a page at a time as necessary. Then you also want to rerender components in the least amount of time possible.

Tyler has found that working in enterprises and startup cultures that, as you get more developers in a team and as your application grows, a lot of these little practices become ignored or forgotten or missed on a refactor or a pull request. They start to build up over time. Then, at the end of the day, you have a slow-performing app. You go through it, and you have to do all these little updates.

In each one of these lessons, Tyler going to be adding and deleting code to walk you through how to optimize a React app using a dashboard React app as the example.

React Optimization Cookbook

In this lesson we are going to add types throughout our basic todo list component. This includes type checking the component props, local state, and property methods. 

Type Check React Components With Flow

In this lesson we are going to take a React and Redux application and add flow types throughout. This includes type checking a react component, a reducer, some actions, and a connect method. 

Type Check Redux Apps with Flow

Puppeteer is a Node library which provides a high-level API to control headless Chrome or Chromium over the DevTools Protocol. It can also be configured to use full (non-headless) Chrome or Chromium.

puppeteer

In this lesson we are going to send commands to the chromium browser with Puppeteer. These commands will enable us to calculate both the total number of CSS stylesheets used on the page and the ruleUsage for each of those stylesheets. With these metrics we will be able to calculate the percentage of unused CSS on the page. 

Get the Percentage of Unused CSS on a Page with Google's Puppeteer

In this lesson we are going to use the firstPaintTime metric from chrome's load times, as well as the navigation start from the W3C window metrics, to calculate how long it takes a page to paint. We will set up a quick function and test it out on google.com

Calculate a Page's First Paint Time with Puppeteer

In this lesson we are going to use Google's Puppeteer to gather metrics about a page's load time. We'll use a high level date subtraction method as well as gather data from the window performance timing. Then see how throttling the network to 3G affects the page's load time. 

Get a Page's Load Time with Puppeteer

It can be helpful when automating tests, metrics, and integration tools to know not only how much JavaScript there is on a page but to calculate how much is not being used. We are able to calculate the percentage of JS used by getting metrics from the window object. 

Get the Percentage of Unused JS on a page with Puppeteer

In this lesson we will combine two tools that have been developed with simplicity and ease of use in mind. With the lightweight framework of Hyperapp and the low configuration requirements of Parcel, we'll get an application up and running within 4 minutes! We'll do this by only installing four node modules, creating a couple of files, and adding one package.json script. 

Hit the Ground Running with Hyperapp and Parcel

In this lesson we are going to use CSS variables to keep our application's colors consistent. This includes defining the variables inside our the pseudo class :root and using the var function within our classes. 

We finish up the lesson using JavaScript to log and modify our defined CSS variables. 

Create Dynamic Styles with CSS Variables 

In order to get up and going with Enzyme and Jest, some configurations are required. We will need to install some babel plugins, create a specific package json script, and depending on which version of Jest, add Jest configurations to our package.json. 

Install Enzyme and Configure Jest

Within some of React’s releases there are major breaking changes that require different setups for Enzyme. In this lesson we are going to walk through how to setup your testing environment with some of these releases. 

Test Against Different React Releases with Enzyme

In this lesson we will shallow render a component and pass through different config options. Shallow rendering is useful to test components as individual units. This helps ensure that tests aren’t indirectly asserting on behavior of child components. We’ll also use the debug method to show how we can easily view our component for debugging purposes. 

Topics

Instructors

Content Type

Tyler Clark

Advanced SQL for Professional Developers

Advanced JavaScript Foundations

CSS Fundamentals

Auth0 Tips and Tricks

SQL Fundamentals

CSS Fundamentals

Algorithms in JavaScript

Understanding JavaScript's Prototypal Inheritance

Test React Components with Enzyme and Jest

React Optimization Cookbook

Type Check React Components With Flow

Type Check Redux Apps with Flow

Get the Percentage of Unused CSS on a Page with Google's Puppeteer

Calculate a Page's First Paint Time with Puppeteer

Get a Page's Load Time with Puppeteer

Get the Percentage of Unused JS on a page with Puppeteer

Hit the Ground Running with Hyperapp and Parcel

Create Dynamic Styles with CSS Variables

Install Enzyme and Configure Jest

Test Against Different React Releases with Enzyme

Shallow Render a React Component with Enzyme