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Tag: tutorial

Create jQuery Plugins: The Easy Way

If you’re a solid user of jQuery or just a tinkerer you may have thought to yourself “I have a great idea for a jQuery plugin”.  Your next steps of course would probably be to look at the jQuery documentation and eventually to have a look at someone else’s jQuery plugin source code.  In doing […]

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Understanding JavaScript Promises In jQuery

You may or may not have heard the new buzz about promises being introduced into JavaScript and if you don’t know what they are, you’re not alone.  I’ll attempt to explain what they are and why you should or maybe shouldn’t care about them.  First let’s understand what promises are. Promise defined: “The Promise interface represents a […]

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D3 Drag And Drop

Implementing drag and drop in D3 (http://d3js.org/) is a pretty simple task when you know how to do it, the following is a walkthrough from setup to execution and the events along the way. First thing we are going to want to do is setup our drag behavior.  This is the object that will be […]

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Relatively Positioned Absolute Elements

Foreword Absolutely positioned elements can be quite useful, but what if you have something centered or off to one side and you need to just nudge an absolutely positioned element.  The following will show you a handy technique for moving absolute elements relative to the elements around it using nothing but CSS. Getting Started First […]

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Quick Start Solr

Foreword The following is a quick start guide for gettting Solr configured, up and running in a few minutes.  All of my examples will be performed on CentOS Linux. Getting Started First things first, make sure you have Java installed and ready.  Next download a Solr release: http://www.apache.org/dyn/closer.cgi/lucene/solr/ Then extract it: tar -xpf apache-solr-1.4.1.tgz This […]

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How To Convert M2TS To WMV For Free

Foreword The following is a tutorial for how to convert M2TS files to WWMV files for free.  All the examples given are for use with Windows but should work with any operating system other than the binaries. Overview So after purchasing an extremely cool Panasonic Blueray/HD video camcorder, I realized that the format it stores […]

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jQuery Quick Start Tutorial

Foreword The following is a quick crash course in using jQuery.  If you’ve never used jQuery before and want to know to how without reading a ton, this is the tutorial for you. Getting Started First download the latest version and include it in a page.  Grab the minified version for speed or if you […]

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Creating RightScale Attachment Scripts

Foreword The following is a primer on creating RightScale scripts that execute with attachments. Overview Creating RightScale scripts can be a little daunting at first, but with a little time and effort one can quickly ramp up from beginner to expert.  The examples show here will be executed on a Linux CentOS instance. Basic Script […]

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How To Cluster Rabbit-MQ

Foreword This explanation of clustering Rabbit-MQ assumes that you’ve had some experience with Rabbit-MQ.  At least to the point of being able to get Rabbit-MQ up and running and processing messages.  For this explanation I will be using CentOS linux, other linux distributions may or may not require slight modifications to the setup process.  You […]

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Using Hadoop And PHP

Getting Started So first things first.  If you haven’t used Hadoop before you’ll first need to download a Hadoop release and make sure you have Java and PHP installed.  To download Hadoop head over to: http://hadoop.apache.org/common/releases.html Click on download a release and choose a mirror.  I suggest choosing the most recent stable release.  Once you’ve […]

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