RubySource | A Look at Ruby 2.0 – With Ruby 2.0 set to be released on February 24th, exactly on the 20th anniversary of Ruby’s first debut, I decided to write this article to give you a quick rundown of some of the most interesting changes.
A Carefully Selected List of Recommended Tools on Datavisualization.ch – That’s why we have put together a selection of tools that we use the most and that we enjoy working with. We called it selection.datavisualization.ch. It includes libraries for plotting data on maps, frameworks for creating charts, graphs and diagrams and tools to simplify the handling of data. Even if you’re not into programming, you’ll find applications that can be used without writing one single line of code.
An Advanced Guide to HTML & CSS – An Advanced Guide to HTML & CSS takes a deeper look at front-end design and development, expanding on what is covered in the beginner’s guide. Studying modern front-end development, this guide teaches the latest for any designer looking to round out their front-end skills.
Be Careful With Cache Managers | Javalobby – If you are using spring and JPA, it is very likely that you utilize ehcache (or another cache provider). And you do that in two separate scenarios: JPA 2nd level cache and spring method caching.
UI Testing a Sencha App – I wanted to address this topic by adding UI Tests to my demo Ext JS application and discussing strategies for enterprise application testing.
The Atlantic Wire: Building for iPad on HTML5 and Sencha Touch – The Atlantic Wire and projects such as Fastbook showcase what is truly possible with HTML5 and the many benefits of building universal applications with open standards. Publishers like The Atlantic benefit from using HTML5 to build applications that are free of app store constraints, allowing them to innovate on their business model and the technical delivery. With HTML5, companies have the ability to build universal applications without limitations.
APIs | Codecademy – Build real-life apps with APIs – Want to write apps and build websites that can text your phone, pull in YouTube videos, or connect to Facebook and Twitter? Start doing all this and more with Application Programming Interfaces (APIs).
Things I wish I knew about MongoDB a year ago – I’ve used MongoDB for over a year at scale at both Heyzap and Bugsnag and along the way I’ve learnt many things the hard way. Here is a summary of the things I wish someone had told me earlier.
Why The Future Of Software And Apps Is Serverless – Going serverless lets developers shift their focus from the server level to the task level. Serverless solutions let developers focus on what their application or system needs to do by taking away the complexity of the backend infrastructure.
Cisco Edition of OpenStack released – Cisco released the Cisco Edition of OpenStack that contains all the core OpenStack services for Essex and Folsom, along with installation scripts and other open source components to make it easier to install and run in production
Mapping The Entertainment Ecosystems of Apple, Microsoft, Google & Amazon – It’s interesting to note that all four of the companies listed have various different core business models (hardware, search, retail, software) but they have all in recent years come to create personal computing devices with their own operating system running on top of the device and additionally these entertainment ecosystems
OOCSS + SASS = The best way to CSS by Ian Storm Taylor – Object-oriented CSS is awesome. But littering your markup with non-semantic classes is not awesome. Those classes sprinkled all over your HTML are going to change, and that’s not gonna be fun. But if you combine OOCSS and SASS you get the best of both worlds: modular CSS without bloated, hard-to-maintain HTML
JDBI : Convenient SQL for Java – JDBI is a SQL convenience library for Java. It attempts to expose relational database access in idiommatic Java, using collections, beans, and so on, while maintaining the same level of detail as JDBC
Hibernate Search and JPA tutorial – Hibernate search can be used to apply the powerful full text search engines (like Apache Lucene) to your applications. Hibernate search futher address some shortcomings of Apache Lucene since it takes care of index synchronization and manages correctly the transformation from free text queries to domain objects.
Analyze Exceptions with Pleasure! IDEA ROCK!! – In IntelliJ IDEA we try to make analysis of a stack trace more convenient for developers. As you might know, IntelliJ IDEA has Exception Analyzer, which helps you analyze a stack trace.
Cassandra Storage Engine for MariaDB – MariaDB has announced a preview of the Cassandra Storage Engine. This is a plugin that allows MariaDB to access Cassandra clusters using normal SQL syntax.
RESTful Java Evolves – Bill Burke discusses using REST from Java, overviewing JAX-RS 1.1 and detailing some of the new features coming in JAX-RS 2.0 – Async HTTP, Filters/Interceptors, Client framework-.
Deploying Java Web Application on Jelastic | Tomasz Dziurko – So to sum up, service looks very interesting and if you consider using external service provider to deploy, scale and tune your production environment, Jelastic is one of the best choices currently available. Its options to quickly and easily configure load balancing and other parameters and hardware that is required when your application suddenly becomes very popular are a life-saver.
Batoo JPA – Introducing the fastest JPA implementation – Batoo is proud to announce the fastest JPA implementation on the face of the earth – Batoo JPA Cheetah. It is a drop in replacement for other JPA Implementations, 100% Spec complaint and fast! To start running your JPA stack 10 – 20 times faster try Batoo JPA now!
Building a Web API Platform with Open Source oAuth 2.0, REST, and N… – This session teaches you how to create your API platform based on oAuth 2.0, REST, and NoSQL technologies by using open source stacks, including Apache projects such as Tomcat, Tuscany, Wink, Amber, and HTTP clients together with NoSQL solutions such as MongoDB and Redis. From real-world experience, you’ll learn the key components and techniques for creating a robust and scalable Web API server.
How To Use IndexedDB – Simple(st) Example | Ido’s Blog – Here I will try to give you a short example that will run nicly both on IE10, Firefox (that match the spec) and Chrome (which need to tune a bit the setVersion update to call onupgrade). IE10 will support IndexedDB as well – so it’s great news to web developers in terms of ‘wild’ support for this important API in browsers. I wish we will see soon Safari (specially, on the mobile) match Chrome for android and give us the ability to leverage indexedDB both on Android and iOS.
Programmer Time Translation Table | Passion for Coding – He had learned the hard way that programmers are bad at estimating times. To get a more precise conversion, I’ve created a translation table for programmers’ time estimations, trying to narrow down where things go wrong
Where Does Big Data Meet Big Database? – Ben Stopford takes a look at the Big Data movement, its development and implications, reflecting on a future where NoSQL solutions and traditional ones coexist.
Panel: How Banks Are Managing Their Data – Frank Tarsillo , John Davies, Jon Vernon and Ari Zilka (moderator) discuss the technologies and architectures used these days to manage large amounts of sensitive data in top financial institutions.
Video: Spring Roo—Not Just another RAD Tool! | SpringSource.org – In this presentation, SpringSource's Josh Long and Spring Roo in Action authors Ken Rimple and Srini Penchikala introduce Spring Roo 1.2, and then go further, exposing Roo's powerful addon-based underbelly. They introduce Roo's OSGi bundle support, and introduce how add-ons can be used to generate code, install templates, respond to addition / removal of annotations, and expose both open-source and internal-company libraries for use by your developers
Spring Data – One API To Rule Them All? – Spring Data is a high level SpringSource project whose purpose is to unify and ease the access to different kinds of persistence stores, both relational database systems and NoSQL data stores.
Sencha Architect 2.1 Now Available | Blog | Sencha – Sencha Architect is now even better! Release 2.1 is finally here and the team is excited to share what we've been working on for the past three months. The goal for the first minor release was to improve performance and stability while continuing to add functionality that helps developers do even more.
ocpsoft/rewrite – Rewrite GWT Integration – This enables the HTML5 History.pushState(…) support in your application, which will now use pretty/URLs whenever possible instead of the '#' anchor tag with 'name=value' pairs. Note that you must modify your place tokenization to process the new information.
Java EE vs Spring Framework – This session compares the Spring and Java EE stacks in terms of Web frameworks. It re-examines the motivations behind the Spring framework and explores the emergence of the Java EE programming model to meet the challenges posed. The presentation provides insight into when Spring and/or Java EE is appropriate for a building Web applications and if they can coexist.
Java Sequential IO Performance | Architects Zone – For most IO I've found the use of ByteBuffers and Channels to be the best optimised parts of the IO libraries. If buffered streams are your IO libraries of choice, then it is worth branching out and and getting familiar with the sub-classes of Channel and Buffer.
11 OPEN NoSQL Document-Oriented Databases | Architects Zone – A document-oriented database is a designed for storing, retrieving, and managing document-oriented, or semi structured data. Document-oriented databases are one of the main categories of NoSQL databases. The central concept of a document-oriented database is the notion of a Document.
CloudStack Now Offers MongoDB as a Service | Cloud Zone – ScaleGrid, Inc (http://www.scalegrid.net), a Seattle-based startup, is announcing this week the public availability of MongoDirector, an end-to-end lifecycle management solution for MongoDB. MongoDirector provides a "single pane of glass" to manage MongoDB deployments allowing for simplified and automated MongoDB lifecycle management on both VMware vCenter and CloudStack.
InfoQ: Decisions, Decisions – Dan North engages the audience into a discussion about the tradeoffs involved in making decisions regarding the team composition, development style, architecture, and deployment solutions.
Google has lost control of Android – Only a miraculous Google I/O developer conference can take back Android, but challenges remain. Big ones. Google's problem: Two partners are overwhelming successful, while the majority limp along, and one hurts the entire Android ecosystem. Apple is now the least of concerns. Putting Amazon and Samsung in their place is more important.
What is Model View Presenter (MVP) in GWT Application? – The MVP pattern is extremely useful when building large, web-based applications with GWT. Not only does it help make code more readable, and subsequently more maintainable, it also makes it much easier to implement new features, optimizations, and automated testing
Meteor – A new way to build apps. – Meteor is a set of new technologies for building top-quality web apps in a fraction of the time, whether you're an expert developer or just getting started.
Spring Data JPA Tutorial Part Seven: Pagination | Petri Kainulainen – The previous part of my Spring Data JPA tutorial described how you can sort query results with Spring Data JPA. This blog entry will describe how you can paginate the query results by using Spring Data JPA. In order to demonstrate the pagination support of Spring Data JPA, I will add two new requirements for my example application:
Cube – Time Series Visualization with MongoDB, Node and D3 – Cube is an open-source system for visualizing time series data, built on MongoDB, Node and D3. If you send Cube timestamped events (with optional structured data), you can easily build realtime visualizations of aggregate metrics for internal dashboards.
Migrating to Spring 3.1 and Hibernate 4.1 – As part of the Core-Spring course, we have a lab application that we use to show how to integrate Spring and JPA/Hibernate together. We have just upgraded it to Spring 3.1 / Hibernate 4.1, and thought we should share a few tips.
InfoQ: Writing Usable APIs in Practice – Giovanni Asproni presents techniques for writing usable APIs: using user's perspective, naming, the caller should have the control, explicit context, error reporting, logging, organizing.
InfoQ: Tailoring Spring for Custom Usage – Josh Long uncovers some of the hooks available in the Spring framework: life cycles, scopes, beans, resources, XML marshallers, REST, transactions, caching, Spring Integration adapters, and others.
The Pope is Apparently not a Republican – The world of finance, while necessary, no longer represents an instrument that favours our well-being or the life of mankind, instead it has become an oppressive power, that almost demands our adoration, mammon, the false divinity that truly dominates the world.
The 6 Major Mobile Trends for 2012 – About Agility – Mobile is one of the big trends for 2012, and with the year just starting, it's a great time to make some predictions about what will happen in the upcoming months. So here they are, the 6 major mobile trends for 2012:
RESTEasy lets you build RESTful Web Services and RESTful Java applications – RESTEasy is a JBoss project that provides various frameworks to help you build RESTful Web Services and RESTful Java applications. It is a fully certified and portable implementation of the JAX-RS specification. JAX-RS is a new JCP specification that provides a Java API for RESTful Web Services over the HTTP protocol.
Scaling GitHub – A month after launching, GitHub hosted one thousand repositories. Three years later, we host over three million. In the same time we've gone from one thousand users to over a million. I'll dig into our development workflow and how we address concepts like scaling, deployment, code review, and testing.
The Little Redis Book – Redis is wonderfully simple, which makes it awesome to use, but I thought it would turn any book into little more than reference material. Well, I decided to give it a try and hopefully you'll agree with me that The Little Redis Book is a solid addition to the Little family
Solving OutOfMemoryError (part 5) – JDK Tools | Plumbr – Today we will talk about the command line tools that are bundled with the Oracle JDK and can be used to find memory leaks. The benefit of knowing the bundled tooling is obvious: they are available everywhere where Oracle's Java is installed
How to build a simple GWT event bus using Generators | North Concepts – In his Google I/O session Best Practices For Architecting Your GWT App, Ray Ryan discusses the benefits of using an event bus in GWT (Google Web Toolkit) applications. Inspired by this talk, I decided to try my hand at building a simple GWT event bus modeled after our pure java event bus.
InfoQ: How to get the most out of Spring and Google App Engine – Chris Ramsdale will get you up and running building Spring apps on Google App Engine. He'll go step-by-step building a real Spring app and identify not only the basics of App Engine, but more advanced topics such as integrating with Google's SQL Service and using App Engine's "Always on" feature to ensure high performance.
Big data market survey: Hadoop solutions – O’Reilly Radar – Apache Hadoop is unquestionably the center of the latest iteration of big data solutions. At its heart, Hadoop is a system for distributing computation among commodity servers. It is often used with the Hadoop Hive project, which layers data warehouse technology on top of Hadoop, enabling ad-hoc analytical queries.
InfoQ: RESTful SOA in the Real World – Sastry Malladi presents different ways used by the industry to implement a RESTful SOA, detailing how eBay did it in order to achieve performance, and what lessons can be taken from that.
InfoQ: Service-Oriented Architecture Maturity – An SOA maturity model must incorporate both perspective and execution maturity. Progress must be made across a 3D space, with movement from an IT-driven perspective toward an enterprise-transformation outlook – embracing governance, metrics, drivers, and even terminology – likely trumping execution refinements within a particular perspective.