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Untangling the web using the simplest language possible.


About Me

My name is Corey Lewis, I'm a 30 year old web dev living in Portland, OR.  I started writing this blog to increase my web presence and hopefully help some new people with understanding concepts that had always confused me.  I hope you find it helpful!

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JavaScript Closures: A use case

I recently started working for a small dev agency here, and the first item I was supposed to take over was a data scraping tool.  If you don't know what that is, basically it's going through websites and targeting specific elements and grabbing the data off of them.  How do you do that? Well, you can use something like Puppeteer to run an automated Chromium browser that can carry out tasks such as "navigate to this page" and "click the element with this CSS selector", etc.  In this project we were grabbing XHR responses from the server (if you open your browser dev tools, go to 'network' and click 'XHR' you can see requests and responses, their headers, etc) and then saving the JSON in the responses to our database (a SQL database). Puppeteer has a handy method that places a listener for requests or responses.  So any time the browser receives a response it would fire off a callback.  It was within this callback that I had an async func
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What is front end? Back end? Full stack?

JavaScript, HTML, CSS, Ruby, Node, PHP, Version Control, GIT, Java, JVM, React, Angular, Angular 2+, Redux, Vue, jQuery, Hadoop, WordPress, T-SQL, PostgreSQL, noSQL, es6, es7. ecma2015, babel, Webpack, Grunt, Gulp..... what the f%$k . When I first started in the web world I had no idea what a "Front End" or a "Back End" was, I knew that "Full Stack" meant doing both, but that didn't help much.  Engineering fields can be very intimidating, and many times we don't know what something is but there is often talk of things being "trivial", said usually with a condescending tone, and it scares us away from asking.  Well I don't believe in a dumb question.  If you don't know something it's because you were never taught it.  There are very few innate behaviors, like breathing.  Most of what we know is learned. So let's learn you real good like. Front End All bow to the mighty Front End Triad!  Front End  develo
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What is Git and Version Control?

Today we have dev teams that can number in the hundreds, some working from different countries remotely, all working on a single code base; making changes sometimes in the same file.  Could you imagine passing around a thumb drive with your changes?  Or constantly having to plug in new changes?  Or someone deleting a critical file? Or changing some very complex code, forcing the team to go back in and do the same work all over again?  What a nightmare. Enter version control. Version control software allows us to have many different people working on the same files very easily.  It gives us the ability to put our changes into the code base (pushing or merging/pulling) easily, get updates and changes that others have made (pull or fetch), and allows us to make copies of the entire code base to work on instead of working on the "master" code. As an aside, Git is not the only version control software, but it is the only one I've used, and it is the only one I am
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