Category Archives: How-To

How to re-crawl with Nutch

Have you ever wondered how Apache Nutch decides how often to crawl your sites? Learn how Adaptive Fetch Schedule works.

Add Microsoft SQL JDBC driver to Maven

Maven does not directly support some libraries, like Microsoft’s SQL Server JDBC. This tutorial will show you how to add an external dependency to your local Maven repository.

Getting Started with Sencha Touch 2

In this video tutorial, Ed Spencer show you how to build your first Sencha Touch application, test it and package it for distribution on iOS and Android devices.

Clean up XML files in Vim

Sometimes we need to clean up XML files before being able to make sense of them. Here is a quick way to get nicely formatted and readable XML files while using Vim.

Compress JavaScript and CSS as Part of your Build Process

Web page performance is critical to keeping customers and visitors moving along on your site. Slow responses typically result in frustrated users, unhappy customers and worse, abandoned orders. It is important to reduce the number of requests generated by a web page in order to increase its actual and perceived performance.

ExtJS ComboBox Hidden Field Issues

Despite looking like a typical select box, Ext.form.ComboBox does not behave exactly as you would expect. It submits the display text instead of the selected option’s value. This post provides a solution to this problem.

Is My Mac’s SuperDrive Dead?

TweetFor the last couple of weeks I’ve been unable to burn DVDs on my MacBook Pro. I insert a blank disc whenever the SuperDrive prompts for one, it then checks and checks for about a minute before ejecting the disc. At first I thought this was related to the type of disc I was using, [...]

Force a URL to Use HTTPS

Site owners sometimes need to make sure secure connections are used. They can do this quickly with this Apache rule.