Working with PHP, MySQL, and JavaScript to create dynamic web applications can be difficult, but if you know a few programming tricks, you can make that job a lot easier. This Cheat Sheet shows you how to extract data from different databases in your PHP programs, filter out unwanted or potentially dangerous data from web forms, quickly find data stored in your MySQL database, and trigger timed events in your JavaScript programs.

For enterprises whose growth depends on the innovation of their developers and data scientists, success moves at the speed of their development environments. Efficiency, effectiveness, and the ability to build without friction — that’s what sets the pace.The question is simple enough: Do your developers and data scientists work their magic in cloud development environments (CDEs), or is their work bogged down by a legacy development environment?

For each web coding issue identified by a validator, you need to determine what course of action to take. Although some culprits that repeatedly crop up are easy to fix, such as missing alt text and tags, you’re bound to find coding issues that completely baffle and stump you.For instance, if you get an error message that reads XML Parsing Error: Opening and ending tag mismatch: br line 52 and body, it might be difficult to figure out what that means, let alone why it was caused and how you should fix it.

The success of your DevOps initiative relies heavily on following the process, but it’s also important to use the right tools. Selecting a cloud service provider isn’t an easy choice, especially when DevOps is your driving motivation. GCP (Google Cloud Platform), AWS (Amazon Web Services), and Azure have more in common than they do apart.

If you want to build your own website from start to finish, this book serves as a great resource. It includes many secrets and best practices that web developers know and implement when building any quality website. This cheat sheet includes bits and pieces of what you'll find in the book.Building pages that workThere is a lot to consider as you build your site.

One of the handiest features of web coding and development is that once you’ve learned a few basics, you can apply those basics to any project. A good example is the underlying structure of a page, which uses the same set of standard HTML tags, no matter how large or small the project. It’s also worth your time to learn how selectors work, because you use them to save you time both when you’re writing CSS rules and when you’re writing JavaScript code.