Tutorial by Topics: i

Algorithms are a backbone to computing. Making a choice of which algorithm to use in which situation distinguishes an average from good programmer. With that in mind, here are definitions and code examples of some of the basic algorithms out there.

In this topic, we'll look to explain how to Customise axes, titles and legends whilst using the ggplot2 library.

MessageBox is a simple concept for decoupling entities. For example entity A can place a message that entity B can read whenever suitable. A view controller would like to talk to another view controller, but you don't want to create a strong or weak relationship.

Inspired by game development UIPheonix is a super easy, flexible, dynamic and highly scalable UI framework + concept for building reusable component/control-driven apps for macOS, iOS and tvOS. The same API apply for cross platform development! Think of it as using Lego blocks, you can use similar o...

Parameterized Queries can be used to defend against SQL Injection attacks.

MKBlockQueue allows you to create a chain of blocks and execute them one after the other in a queue. Compared with NSOperation, with MKBlockQueue you decide yourself when a block is complete and when you want the queue to continue. You can also pass data from one block to the next. https://github.c...

This topic will teach you one of the many useful things to know in the scripting language, batch file; Adding a delay/pause/timeout to your batch file.

This section provides an overview of what opengl-es-2.0 is, and why a developer might want to use it. It should also mention any large subjects within opengl-es-2.0, and link out to the related topics. Since the Documentation for opengl-es-2.0 is new, you may need to create initial versions of ...

Single Table Inheritance (STI) is a design pattern which is based on the idea of saving the data of multiple models which are all inheriting from the same Base model, into a single table in the database.

Finite States Machine concepts are usually implemented under Object Oriented Programming (OOP) languages, for example using Java language, based on the State pattern defined in GOF (refers to the book: "Design Patterns"). R provides several mechanisms to simulate the OO paradigm, let's ap...

This documents deals with how to manipulate Date and Time in clojure. To use this in your application go to your project.clj file and include [clj-time "<version_number>"] in your :dependencies section.

The Podfile is a text file that describes the dependencies of one or more Xcode projects.

To implement MQTT We need MQTT Broker, and MQTT client Library

There are two ways of running and debugging TypeScript: Transpile to JavaScript, run in node and use mappings to link back to the TypeScript source files or Run TypeScript directly using ts-node This article describes both ways using Visual Studio Code and WebStorm. All examples presume that yo...

This section provides an overview of what arangodb is, and why a developer might want to use it. It should also mention any large subjects within arangodb, and link out to the related topics. Since the Documentation for arangodb is new, you may need to create initial versions of those related t...

The focus of this topic is basically cover most important aspects of UI testing. This post would be mostly beneficial for freshers since they get assignments to work on and many times it so happens that few of the important points are missed. Let's help the freshers by contributing to this topic :)...

This section provides an overview of what behat is, and why a developer might want to use it. It should also mention any large subjects within behat, and link out to the related topics. Since the Documentation for behat is new, you may need to create initial versions of those related topics. ...

Every website needs to handle errors. You could let your users see the stock 404 or 500 error pages that IIS dishes out or, using the Web.Config and a simple Controller you can capture these errors and deliver your own custom error pages.

“A buffer pointer is used for low-level access to a region of memory. For example, you can use a buffer pointer for efficent processing and communication of data between apps and services.” Excerpt From: Apple Inc. “Using Swift with Cocoa and Objective-C (Swift 3.1 Edition).” iBooks. https://itun.e...