In this tutorial I am going to demonstrate, how to add barcode scanner functionality to an HTML form built with Bootstrap - thus, enabling the user to scan a barcode with the smartphone camera or webcam.

Guzzle is probably the most popular PHP HTTP Client, but since the latest version introduced native support for the PSR-7 HTTP message interface, there is no more built-in cache. In this tutorial I will demonstrate how to use any caching library supporting the standard PSR-6 cache interface with Guzzle.

Well formatted, easy-to-read exceptions and PHP errors can save a lot of time when debugging. Here is how you can use the Symfony Debug Component for nice error reporting in your own web applicaiton.

Most serious web applications are built with JavaScript user interface frameworks. There are tons of UI frameworks to choose from, but what are the differences? Which framework is better? This is the first post of a series of direct comparisons of the most notable HTML5 UI libraries for web applications in 2016.

How to read a barcode using the built-in camera of a tablet or smartphone from a web app built with HTML5 and JavaScript? In this post I am going to introduce two approaches making it possible with pure JavaScript and a modern mobile browser - no extra apps, no prerequisities!

A lot of mobile applications use the camera of a smartphone or tablet to scan barcodes or QR-codes from real-world products, documents, etc. But what about web applications built with HTML and JavaScript? Let's take a look at the possibilities we have with HTML5 and modern mobile browsers!

jQuery.NumPad is a flexible touch-optimized numeric keypad for web applications based on jQuery. It can be used to fill inputs, password fields, general div-elements or entire table columns. The keypad can be easily styles to fit into popular UI frameworks like Bootstrap or jQuery mobile!

This tutorial shows, how to connect a barcode scanner to a web application based on jQuery. We are going to take a look at the most important settings of the jQuery.ScannerDetection plugin and the first steps to take when starting to work with a new scanner model.

Mobile barcode scanners - wireless, cabled or built into enterprise handhelds - can be used for fast and simple data capture in business applications. This article describes the current possibilities to connect a barcode scanner to a web application based on jQuery or jQuery mobile with pure JavaScript - no PhoneGap or other hardware oriented APIs. In fact, it is so easy, you can start using a scanner in just a few minutes!

AJAX-driven data tables are a great tool to display large amounts of tabular data. Fetching the data in small portions via AJAX reduces network load and increases rendering performance, which is especially important in mobile web applications. Here is an example, of how the jQuery DataTables plugin can be used in a jQuery mobile app.