If you've been following the world of JavaScript, you've likely heard of promises. There are some great tutorials online if you want to learn about promises, but I won't explain them here; this article assumes you already have a working knowledge of promises. Promises are touted as the future of asynchronous programming in JavaScript. Promises really are great and help solve a lot of issues that a
Authentication is one of the most important parts of any web application. This tutorial discusses token-based authentication systems and how they differ from traditional login systems. At the end of this tutorial, you'll see a fully working demo written in Angular and Node.js. Traditional Authentication Systems Before proceeding with a token-based authentication system, let's have a look at a trad
The RESTful API consists of two main concepts: Resource, and Representation. Resource can be any object associated with data, or identified with a URI (more than one URI can refer to the same resource), and can be operated using HTTP methods. Representation is the way you display the resource. In this tutorial we will cover some theoretical information about RESTful API design, and implement an ex
In this two-part tutorial series, we'll take a look at writing & debugging JavaScript code using modern tooling such as the Chrome DevTools. In part 1, you'll get a introductory look at the various panels in the DevTools and what workflows they're suitable for. There'll also be a focus on writing and executing JavaScript code through the browser rather than a code editor. 1. What Are Browser DevTo
Koa.js is an expressive next-generation web framework written for Node.js by the people behind the Express and Connect frameworks. Koa.js leverages generators, which are a bleeding edge feature of JavaScript, and have not yet been made into stable versions of Node.js. Koa aims to use generators to save developers from the spaghetti of callbacks, making it less error-prone and thus more manageable.
Welcome to the second part of our series on generators and Koa. If you missed it you can read read part 1 here. Before starting with the development process, make sure that you have installed Node.js 0.11.9 or higher. In this part, we will be creating a dictionary API using Koa.js, and you'll learn about routing, compressing, logging, rate-limiting, and error handling in Koa.js. We will also use M
In this tutorial, we'll take a look at WebDriverJs which is a tool used for browser automation. Chrome will be used throughout however modern browsers tend to have available drivers for use with WebDriver (even mobile) so do check them out if you wish to automate other browsers. While unit tests are certainly valuable for modern web applications, at some point, as your application grows, you'll fi
In this three part series, we're going to be taking a look at WordPress global variables in order to gain a better understanding of them such that we can apply them to our day-to-day development. Throughout the series, we will be going through a set of hands-on exercises that demonstrate the power of the global variables to show and to tweak the inner workings of WordPress. What Are WordPress Glob
While managed WordPress hosting is suitable for most people, I prefer the flexibility of running my own server. One of the more affordable solutions is Amazon’s cloud-based web service (AWS). But if you don't have a deep technical background, getting started with AWS can be overwhelming. When I first installed WordPress on an AWS micro instance, it kept running out of memory and crashing. Then, wh
WordPress 3 fills in a number of important gaps towards being a serious content management system. The easy-to-use custom taxonomies function gives site designers some powerful tools for building a good information architecture. Learn what taxonomies are, why they're useful, and how to use them in today's tutorial! What is a Taxonomy? Taxonomies are different methods for classifying things. Taxono
There are 981 files and 95 folders which come with the WordPress (v3.4.1) package. None of these files need manual modification, except the wp-config.php file. Of course, we don't have to edit the file if we're fine with the default WordPress configuration but it's essential that we learn how to conquer the file in order to apply security precautions, speed tricks and other stuff which we will be
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