AMT Blog

TextExt is a jQuery plugin which brings in functionality such as tag input and autocomplete.

The core design principle behind TextExt is modularity and extensibility. Each piece of functionality is separated from the main core and can act individually or together with other plugins.

TextExt's modular design lets you easily turn a standard HTML text input into a wide range of modern, tailored to your needs input field without bloating your source code and slowing down your site with the code that you aren't using.

A wide number of plugins are available including Tags, Autocomplete, Filter, Ajax as well as a few which are purely aesthetic like Focus.

Check out the manual for the full API documentation and examples.

Key Features of TextExt

• Tags
• Autocomplete
• AJAX loading
• Placeholder text

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HP has decided to open source Enyo 2.0, in order to broaden the reach of WebOS by adopting the standard Linux kernel, and making Enyo development framework run on all the major browsers within a month or so.

Enyo is an object-oriented JavaScript framework originally targeting webOS and WebKit. After HP’s announcement to open source webOS in December 2011, the company had decided to broaden webOS’ reach by porting Enyo to all major browsers and basing webOS on the standard Linux kernel. The first step was achieved: HP has open sourced Enyo 2.0, a core JavaScript library that now runs on Chrome, Safari, IE and Firefox, both the mobile and desktop versions. Enyo 2.0 is missing the UI toolkit which needs more work to run on multiple browsers, but it is promised to be ready in a month. Enyo-based applications can also be run as native iOS/Android/WP7 apps via PhoneGap as shown in this example. A developer ported the Paper Mache application to Google’s mobile OS making it available on Android Market.

Enyo’s philosophy is to allow developers to build large applications based on components that may contain any number of other components. A number of examples showing the source code and the results in the browser can be accessed at Enyo Samples. Enyo core functionality is packed in a 13 KB zipped file, making it appealing for mobile development due to its small size.

HP has detailed the next steps for webOS:

• The release of a WebKit distribution that supports HTML5 (including Canvas and 3D textures), Flash and Silverlight, plus support for application interfaces including multi-touch.
• webOS will make use of the standard Linux kernel greatly broadening the devices it can run upon. Sam Greenblatt, HP CTO and member on the board of OSDL (Linux Foundation), is currently leading the webOS strategy.
• webOS will use Google’s open source LevelDB, an embedded key-value data store, instead of the DB it is currently using
• Ares 2 is going to support Enyo 2. Ares is a browser-based IDE with drag-and-drop support for developing applications for webOS

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A must watch presentation put together by Ned Potter, emphasizing on the need for librarians (aka "information professionals") in an age of excess information.

Do you believe libraries are here to stay even in this age of information overload? Share your thoughs in comments

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Fotorama is an extremely useful image gallery plugin for jQuery that works great with your desktop as well as mobile browsers.

There are a number of useful options: 

• Bullets/Thumbnails image scrolling;
• Enable/Disable image dragging;
• Fully control CSS via options;
• Slideshow;
• Images can have captions;
• Thumbnail slider can be positioned vertical or horizontal;
• Custom thumbnails/ default can be chosen;

Fotorama is free and unrestricted for personal and non-commercial use.

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Amazon recently introduced DynamoDB, a new Cloud based NoSQL database service designed to maintain predictably high performance and to be highly cost efficient for workloads of any scale, from the smallest to the largest internet-scale applications. 

Customers can now launch a new Amazon DynamoDB database table, scale up or down their request capacity for the table without downtime or performance degradation, and gain visibility into resource utilization and performance metrics, with a few clicks on the AWS Management Console. In short, DynamoDB is ‘a fully managed NoSQL database’ that can be scaled up or down according to demand. 

Amazon DynamoDB is based on the principles of Dynamo, a progenitor of NoSQL, and brings the power of the cloud to the NoSQL database world. It offers customers high-availability, reliability, and incremental scalability, with no limits on dataset size or request throughput for a given table. And it is fast – it runs on the latest in solid-state drive (SSD) technology and incorporates numerous other optimizations to deliver low latency at any scale. It also allows customers to offload the administrative burdens of operating and scaling distributed databases so they don't have to worry about hardware provisioning, configuration, replication, software patching, partitioning, or cluster scaling.

Check out a video explaining the basic concept:

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In late 2010 10gen started working on their own driver to officially support using MongoDB from .NET on Windows. The community quickly began submitting patches to make it work in Mono. Now the driver works pretty well in Mono.

In his presentation at the Monospace 2011, Justin Dearing provides you a short introduction to MongoDB, and focuses on interacting with it in Mono via the official 10gen driver. Techniques for handling business logic in application code, such as LINQ are discussed. This is a very code centric talk.

Click here to download:

Monospace2011-JustinDearing-UsingMongoDBonMono.pdf (656 KB)

(download)

Click here to download:

Monospace2011-JustinDearing-UsingMongoDBonMono.pdf (656 KB)

About the conference

Monospace provides developers a unique look at running their applications across all the platforms using Microsoft's .NET Framework by focusing on the Mono framework and open source .NET technologies.

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FeedEk is an RSS/ATOM Feed Reader/Importer/Parser that is written with jQuery.

The plugin is really simple to use and grabs the feed items from any domain with a few lines of code. You just need to provide the feed URL, the no of items to be displayed, description, whether publish date is to be displayed or not… Your RSS/ATOM feed is ready! Isn’t it Cool?!

FeedEk is available with a MIT License. It’s compatible with all the major web browsers.  

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Image via Wikipedia

Today, WebRTC.org made an announcement on their blog, indicating that WebRTC API and its underlying components would now be available on the Chrome dev channel. This release implements a slightly older version of the W3C spec. Although the spec is evolving rapidly, WebRTC plans to catch up to it quickly as possible. 

Here are some additional details for those developers who’d love to try it out. 

Who should use this? 

WebRTC must be exciting to developers who want to add real time communication capabilities to their apps.

How do I enable WebRTC?

Switch to the Chrome Dev Channel by following the instructions on this page. Then start Chrome with this switch: "--enable-media-stream"

How can I try it out?

The source code at webrtc.org includes a sample application. Follow these instructions to download and run it. 

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Brendan Ribera, a Seattle based hacker introduces Mirah, a JVM-based programming language with a Ruby-like syntax, type inference, closures, meta-programming, macros etc. 

Salient Features of Mirah:

• Ruby-like syntax
• Compiles to .class or .java
• Fast as Java
• No runtime library

Requirements:

• JRuby 1.6.0 or higher.
• BiteScript 0.0.8 or higher 

Check out Brendan’s presentation at Strange Loop Conference, introducing Mirah for Android right here below. 

Click here to download:

StrangeLoop2011-BrendanRibera-MirahforAndroidDevelopment.pdf (1.13 MB)

(download)

Click here to download:

StrangeLoop2011-BrendanRibera-MirahforAndroidDevelopment.pdf (1.13 MB)

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JavaScript is usually the key area to look for when, you’d desire to make your website faster. Steve Souders in his presentation at SFJS conference explains this with some interesting examples and stats to prove this.

He also gives us his perspective at the execution order of asynchronously loaded pages: Preserving execution order of async scripts makes the page slower. If the first async script takes a long time to download, all the other async scripts are blocked from executing, even if they download sooner.

JavaScript Performance (at SFJS)

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