Redux: Inspecting HotSpot JVM Options – There is enormous scope for coarse and fine grained control of JVM behaviour. The option -XX:+PrintFlagsFinal allows comprehensive reporting of the options and their values. The available options vary by build and JVM type (server or client). Recording and auditing this output is an important step in any Java benchmarking or continuous monitoring exercise
DB Sanity – database consistency and reporting application – DB Sanity performs checks on a database for verifying data consistency and correctness of application deployments or production data. It is invoked by the command line and creates an HTML report with a summary and listings of faulty database entries.
javasimon – Java Simon – Simple Monitoring API – Java Simon is a simple monitoring API that allows you to follow and better understand your application. Monitors (familiarly called Simons) are placed directly into your code and you can choose whether you want to count something or measure time/duration.
Obituary: printf("goodbye, Dennis"); | The Economist – All of his technological miracles, along with a billion others sold by Apple's competitors, would be merely pretty receptacles were it not for Dennis Ritchie. It is to him that they owe their digital souls, the operating systems and programs which make them tick.
Android and IDEA for the Eclipse Refugee » Canoo RIA Blog – Now that IntelliJ IDEA 11 EAP (Early Access) has a visual layout window, there is almost no reason for me to write my Android apps in anything else. I wrote this post to help other users along their way when converting between the IDEs.
InfoQ: Simple Made Easy – Rich Hickey emphasizes simplicity’s virtues over easiness’, showing that while many choose easiness they may end up with complexity, and the better way is to choose easiness along the simplicity path.
whoosh – Fast pure-Python indexing and search library. – Whoosh is a fast, featureful full-text indexing and searching library implemented in pure Python. Programmers can use it to easily add search functionality to their applications and websites. Every part of how Whoosh works can be extended or replaced to meet your needs exactly.
10 programming languages worth checking out – H3RALD – This article deals with ten possible candidates, and it’s far from being an exhaustive list. The programming languages described henceforth are very different from each other, but they all have one thing in common: they all stimulate my curiosity in their own, very different ways.
Daring Fireball: Universe Dented, Grass Underfoot – I like to think that in the run-up to his final keynote, Steve made time for a long, peaceful walk. Somewhere beautiful, where there are no footpaths and the grass grows thick. Hand-in-hand with his wife and family, the sun warm on their backs, smiles on their faces, love in their hearts, at peace with their fate.
Effective Mockito Part 2 – As promised in the first part of the "Effective Mockito" blog series, I will concentrate on Mockito specifics in the followup posts. So, the main topic for Part 2 is Mockito's @Mock Annotation.
Incredibly Useful CSS Snippets | webexpedition18 – Below is a list of CSS snippets that will help you minimize headaches, frustration and save your time while writing css, and I hope you will find it useful. Whether you are a experienced web developer, or just getting started with css, they are all worth checking out.
Sketching: the Visual Thinking Power Tool – Sketching provides a unique space that can help you think differently, generate a variety of ideas quickly, explore alternatives with less risk, and encourage constructive discussions with colleagues and clients.
Data Wrangler – Wrangler is an interactive tool for data cleaning and transformation.
Spend less time formatting and more time analyzing your data
weightshift/The-Personal-Page at master – GitHub – This simple one-page website is a way for people to have a very quick and easy personable website that aggregates your activity and positions a simple logo, a portrait and some description text in a nicely-formatted manner.
Quora’s Technology Examined | Phil Whelan’s Blog – Quora is a great example of a modern tech start-up. They are very small team who understand the technologies they are using very well. They have made considered choices in the technology they have selected and have a good vision of which components would be better written from scratc
InfoQ: Characteristics of an Agile Organization – There are some patterns I see over and over that are fundamental to a successful agile adoption, or a large scale enterprise agile transformation. Here are the ones I think are most important and why.
InfoQ: Clojure-Java Interop: A Better Java than Java – Stuart Dabbs Halloway, after reviewing Clojure’s syntax comparing it with Java, explains how Clojure-Java interoperability works. He then talks about the need for simplicity in languages, attempting to prove that Clojure is a simpler language, and consequently better, than Java.
The Art of Software: Mocking Frameworks: Mockito vs. EasyMock – Mockito evolved from the once popular EasyMock framework and takes the simplicity and usability of the later one step further. Mockito's syntax is more consistent and fluent and makes your code much more readable. I would highly recomment Mockito for any new project.
Google AppEngine in Practice – I’ve also gotten a little more experience with what works and what doesn’t, so here’s a short overview of things to keep in mind when (considering) developing for Google AppEngine. It’s mostly about the Datastore.
Coding Horror: Go That Way, Really Fast – So, until further notice, we'll be following the same strategy as the Android and Chrome teams. We're going to go that way, really fast. And if something gets in our way, we'll turn.
BBC News – Change to ‘Bios’ will make for PCs that boot in seconds – New PCs could start in just seconds, thanks to an update to one of the oldest parts of desktop computers.<br />
The upgrade will spell the end for the 25-year-old PC start-up software known as Bios that initialises a machine so its operating system can get going.
iPad for Business – Either way, it's clear that Apple is onto something here, and that the iPad has strong potential to be a useful device for the corporate world, and not just a shiny toy
Introducing Apache Shiro – Shiro is an Apache Incubator project aimed at making authentication and authorization easier. Get to know Apache Shiro and walk through examples that let you experiment with Shiro for authentication and authorization in a Groovy web application.
piriti – JSON and XML Mapper for GWT – Piriti (Maori for "bridge") is a JSON and XML mapper for GWT based on annotations and deferred binding. The following code snippets show the basic idea behind Piriti.
Java-Clojure Interop: Calling Clojure From Java | Javalobby – Clojure is quickly becoming one of the more popular JVM languages because of its high performance and excellent handling of concurrency. Rich Hickey's talk entitled "An Introduction For Java Programmers" is a great resource for Java programmers who are interested in learning Clojure.
Load Testing Relational Databases With JMeter – Apache JMeter is a performance testing tool which is entirely written in Java. Any application that works on request/response model can be load tested with JMeter. A relational database is not an exception: receives sql queries, executes them and returns the results of the execution.
The Pragmatic Bookshelf | Seven Languages in Seven Weeks – Ruby, Io, Prolog, Scala, Erlang, Clojure, Haskell. With Seven Languages in Seven Weeks, by Bruce A. Tate, you’ll go beyond the syntax—and beyond the 20-minute tutorial you’ll find someplace online. This book has an audacious goal: to present a meaningful exploration of seven languages within a single book.
Technology Review: Putting the Web in a Spreadsheet – BigSheets is built on top of another piece of software called Hadoop. This is an open-source platform for processing very large amounts of Web data by splitting up tasks and handing them off to a cluster of different computers
The CTO Corner – The CTO Corner is dedicated to the topics and issues important to today's busy technology executive, the Chief Technology Officer. This site focuses on leadership & management, technology trends, and contemporary development & programming practices
QuirksBlog: The iPhone obsession – Web developers should take a look at their sites on a Nokia and a BlackBerry and fix whatever’s wrong. It isn’t that hard to get your hands on a testing device
Nailgun: Insanely Fast Java – Nailgun is a client, protocol, and server for running Java programs from the command line without incurring the JVM startup overhead. Programs run in the server (which is implemented in Java), and are triggered by the client (written in C), which handles all I/O.
A Simple Java class for Amazon SimpleSQS – With such a beautiful service such as the Amazon Simple Queue Service, it shouldn't be wrapped up with a lot of complicated layers of classes for utilizing. That is why I developed the simple POJO, single class method for utilising Amazon SQS from within Java
Welcome to Solr – Solr is an open source enterprise search server based on the Lucene Java search library, with XML/HTTP and JSON APIs, hit highlighting, faceted search, caching, replication, a web administration interface and many more features
Generate PDFs with XStream and XSL-FO – In this article, you saw how easily you can create a PDF document from Java business objects using XStream and XSL-FO. The separation of concerns allows you to isolate the view from the business objects, thus you can change the view (PDF document) without having to modify the Java code
beet – Beet records user behavior and performance data for your Spring-based Java application. It can thus help you to analyze usage patterns and research production performance issues.
InfoQ: Hypertable – An Open Source, High Performance, Scalable Database – This presentation discusses Hypertable, an open source, high performance, distributed database modeled after Google's Bigtable. Doug discusses the differences between Hypertable and traditional database technology, support for massive sparse tables, scaling to petabytes size, and how Hypertable is designed to run on top of an existing distributed file system, such as the Hadoop DFS.
Clojure vs Scala, Part 2 | Code Monkeyism – There are two languages stirring up the Java World: Clojure and Scala. Clojure a Lisp dialect on the JVM, powerful and pure and the Scala language a tight integration of object and functional programming. Which should you learn?
InfoQ: Born To Cycle – Agile development is not about doing a set of practices, it's about a way of "being," it's about learning. How is this learning accomplished? By taking brief pauses after small experiments, even large problems can be solved. In a recent Harvard Business Review interview of Toyota's president, he observed, "…when 70 years of very small improvements accumulate, they become a revolution."
InfoQ: Measuring Agility, Craftsmanship, and Success – David Starr has looked at how and why an organization might want to measure things like: agility, craftsmanship, and organizational success. He found craftsmanship relatively easy to measure, while agility was the most difficult to measure in a useful way.
InfoQ: Introduction to Virtual Service Oriented Grids – Virtual service-oriented grids have the capacity to fundamentally change the way business is conducted in much the same way that the Internet did by reinserting a middleman in the form of software, rather than human. The key to this paradigm shift lies in services, the abstraction of interoperability and reuse.
SOA and TOGAF: A Good Fit? – Service-Oriented Architecture (SOA) is a style of architecture and The Open Group Architecture Framework (TOGAF) is an architecture framework. The combination sounds promising, but do they play well together
Cay Horstmann’s Blog: Upgrading to Eclipse Galileo – I just installed Eclipse 3.5 (Galileo)—it seemed a more attractive thing to do than actually getting my work done. Fortunately, I only need three Eclipse plugins right now. Here is how they fared with Galileo
Clojure: Challenge your Java assumptions – JavaWorld – Clojure is a dynamic functional language for the JVM, recently released in version 1.0. Clojure offers a new set of programming techniques for robust code and rapid development. In particular, it has new solutions for multicore computing. Whether you make the shift to Clojure or stick to Java, learning about this new language will challenge your assumptions about the best way to design software.
Why Microsoft is Losing Browser Share | Zoho Blogs – Why is Microsoft losing share? I would submit that it ultimately had to do with their fateful decision to tightly weld together the browser and the operating system. That must be the most bone-headed business decision in Microsoft's history
Coding Horror: The iPhone Software Revolution – I wrote this because I truly feel that the iPhone is a key inflection point in software development. We will look back on this as the time when "software" stopped being something that geeks buy (or worse, bootleg), and started being something that everyone buys, every day
Apple’s iPhone 3GS: What It Costs to Make – BusinessWeek – The 16-gigabyte iPhone 3GS actually costs slightly more to build than last year's iPhone 3G—$178.96, a difference of $4.63. However, that is much lower than estimates for the first-generation iPhone, which pegged the cost at $220.