Emma Jagger

Build phone number validation into any C# application using the .NET frameworks and some easy-to-understand snippets of code.

Want to know how to validate emails using ASP.NET? Follow our step-by-step guide that includes practical code using RegularExpressionValidator.

Get a comprehensive view of the best time APIs to use for your next app or indie project so you can focus on your features, not your data.

Follow this step by step guide to get an IP address in Ruby on Rails. Complete with simple instructions and code examples to get you started quickly.

Don’t panic, here’s a simple guide to validating phone numbers in HTML and Javascript. We discuss some number format variations and provide code examples.

Discover the best stock market APIs. Whether it's historical data or live updates, this developer’s guide covers all you need about free & paid stock APIs.

Everything you need to know about AJAX (aka Asynchronous JavaScript And XML). This article will explain what AJAX is, the AJAX functionality, and its benefits.

Everything you wanted to know about Application Programming Interfaces (API's): what they are, how they work, and what common problems they solve.

Everything you need to know about API (aka Application Programming Interface) Access. This article will tell you how API Authentication works and much more.

Everything you wanted to know about API analytics, including common analytics strategies, how they're used, and common providers and examples.

A concise definition of API authentication, including API keys, HMAC, OAuth, and more. Includes practical examples and code samples.

Learn what an API call is, using common client request types like GET, PUT, POST, and DELETE. Examples and non-technical explanations included.