Category: instructional videos

Watch: Loading Images the Lazy Loading Way

Writing JavaScript can be a fun and challenging experience. Improving the performance of your website can also be an equally rewarding. You may have noticed that images on websites can be heavy and slow, but they don’t need to effect our initial page rendering. In this screencast we’ll take a look at how to bes...

Watch: Responsive Images with Picturefill.js

Working with images in responsive web design is one of the biggest challenges front-end developers currently have when building websites. In this screencast I will show you how to use the new picture tag and srcset attribute, together with the Picturefill.js polyfill, to achieve better flexibility, lessen the page size...

Video: Database Access with PHP

In this screencast I explain how to connect and extract data from a database using PHP, touching on topics like, PHP Data Objects (PDO), preventing SQL injection, and finally extracting your data in variety of different formats (as arrays, classes, or objects). Loading the player… jwplayer("video-5667").setup...

Video: Shorthand if-else Conditionals with PHP

In this screencast I’ll show you how to make your code more succinct by using the ternary operator to write shorthand if-else conditional statements in PHP. Loading the player… jwplayer("video-5663").setup({ image: "https://d3rj1gznkm47xj.cloudfront.net/ec193aec-5bbc-43a7-b6bf-66ca9aad54f6.png", ...