Programming & Web Design Articles

Cheat Sheet / Updated 05-03-2022

If you're just getting started writing computer programs, you need to learn programming branching and looping statements to perform the specific jobs you need for an effective program. Keeping a list of computer programming resources for useful information handy can help, too.

Cheat Sheet / Updated 05-02-2022

To complete any project using R, you work with functions that live in packages designed for specific areas. This cheat sheet provides some information about these functions.

Cheat Sheet / Updated 04-27-2022

Coding is fast becoming a skill that every child needs to be educated for in the 21st Century. But coding is taught at only a small fraction of schools, and often only at the high school level. Helping kids learn how to code also means you’re assisting them in developing a skill that is highly marketable and sets them apart from peers at school and later, in their careers. The topics in this cheat sheet can assist you on getting started when your kid expresses an interest in learning how to code.

Cheat Sheet / Updated 04-26-2022

Python is an incredibly flexible language that has significant third-party support and is used in a broad range of applications. The applications you build will run on any platform that Python supports without any modification as long as you create a pure Python solution. Of course, you want to ensure that your applications have the best chance possible of working exactly as you anticipated everywhere they're run, which is why you need the information in this cheat sheet.

Cheat Sheet / Updated 04-25-2022

SQL is a popular and useful programming language. You can make SQL even more useful if you know the phases of SQL development, the criteria for normal forms, the data types used by SQL, a little bit about set and value functions, as well as some tips on how to filter tables with WHERE clauses.

Cheat Sheet / Updated 04-20-2022

The terms virtual reality and augmented reality (and others, like mixed reality and extended reality) are thrown about everywhere today, but do you really know what they mean? Virtual and augmented reality are rapidly changing fields, so it helps to know where they are today and where they may be headed in the future. Finally, seeing how virtual and augmented reality are being used in a variety of industries and how exactly you can experience these technologies is key to your enjoyment.

Cheat Sheet / Updated 04-20-2022

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.

Cheat Sheet / Updated 03-25-2022

SwiftUI makes creating iPhone stacked and tabbed apps easy! You can add shake fail feedback using animation, so your users know when their login attempt has failed. And you can give users the option of sharing something in your app, using the Share Sheet.

Cheat Sheet / Updated 03-23-2022

When you write an Objective-C program for your iOS or Mac OS X apps, all you're doing is providing a set of instructions for the computer to follow. Fundamentally, programs manipulate numbers and text, and all things considered, a computer program has only two parts: variables (and other structures), which "hold" the data, and instructions, which perform operations on that data. This Cheat Sheet provides some of the main aspects of Objective-C programming, including making a statement, built-in and new data types, operators, and more.

Cheat Sheet / Updated 03-22-2022

Swift is Apple’s programming language for developers to use with iOS and OS X devices. Swift has been designed both to work alongside its predecessor, Objective-C, and to one day be Objective-C’s replacement. When you develop apps for iOS or OS X, you use the Xcode development tool (technically an Integrated Development Environment, or IDE), the Cocoa or Cocoa Touch frameworks, and a programming language —either Objective-C or Swift. Swift inherits much of Objective-C’s functionality — anyone comfortable with Objective-C’s types, collections, functions, classes, and flow control will be familiar with those structures in Swift, as well.