Netty is a high-performance NIO ( IO) client server framework for Java that uses internally as a protocol agonostic RPC system. Twitter found some problems with Netty 3's memory management for buffer allocations beacause it generated a lot of garbage during operation. When you send as many messages as Twitter it creates a lot of GC pressure and the simple act of zero filling newly allocated buffers consumed 50% of memory bandwidth.
Netty 4 fixes this situation with:
…MarkupBuilder often leads to markup and business logic being mixed together much like HTML and Java code gets mixed in complex JSP pages. In cases like this, I like to use JAXB instead. I can generate classes from the XSD, load up an object model and let JAXB generate the markup.
It's fairly easy to create a script to handle generating the JAXB classes for you. JAXB comes with a handy Ant task that takes your XSD and generates classes. The trick is passing the build …
…will compile your Groovy code as you save it just as Eclipse does for Java code. This is great during coding, but can cause issues when it's time to check in. If you deleted a class and then run test-app , that class may not be cleared from your target/classes and tests may pass that shouldn't. Before checking in, I now need to run clean , then refresh-dependencies , then test-app . To save some time, I created the following script that will do it all at once. Now I can …
We are very excited to announce the first beta release of Agent SDK .'s
New Relic offers support for many of the popular languages in use today, including, , Java, .NET, , and . However, we know some of you are looking for insights into web applications written in a variety of languages.
Our existing agents give you visibility into the performance of your app all the way down to the line of code. This instrumentation is done automatically …
I ntroducing an online course for beginners that helps you get started withprogramming.
According to http://en.wikipedia.org/wiki/JRuby - " JRuby is a Java implementation of the programming language, being developed by the JRuby team. JRuby is tightly integrated with Java to allow the embedding of the interpreter into any with full two-way access between the Java and the Ruby code."
Charles Nutter says -
Java - Step by Step tutorial
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From: Patrick WashingtonDC
2278 ratings Time: 01:27:25 More in Education
…ways to build Java apps today. Butis not limited to these frameworks. Heroku runs 100% open-standards Java, so you can run any and use any framework. You can even use no framework at all, such as running stand-alone Java processes that are not web applications.
…C-like Object-Oriented Language", C# was meant to be Microsoft's answer to Java, with the ability to interoperate with COM, Microsoft's Component Object Model, the binary interface standard that underlay a lot of Microsoft technologies, including OLE, ActiveX, Windows Shell, Windows Runtime, and DirectX. When it first started, C# was always playing catch-up with Java, but over the past few years, and most notably with the release of C# 3.0, it's Java…
Making calls to various APIs
Writing secure applications for business
Contributing to the design of applications
Researching new and rapidly-changing technologies and then implementing features to take advantage of them
Making judgement calls and being able to explain them
Venturing into unfamiliar territory and getting stuff done
...if you think you're up to one of these tasks, …
…the speedup operator. Use // before the statement you want to speed up. Works in, Java and a few others!
§ TJ Holowaychuk shares his Git conventions . All good stuff
that I wish more developers (myself included) would follow:
Respect Existing Project Conventions
Prefix Common Verbs In Commit Messages
Updating Dependencies With a Note
Closing and Referencing Tickets