For Tagging >git tag -a v1.4 -m ‘version 1.4′ For viewing the tag >git tag For pushing it for everyone >git push --tags For tagging an existing commit > git tag -a v1.2 9fceb02 <start of the changeset code> For fetching tags from repository > git fetch --tags
November 15, 2011
If you would like to get a row num, you would have to do something like this for getting it in the right order or simply For limiting the number of rows however, there is the LIMIT keyword [bash] mysql> select * from CODE_PANEL_DETAIL limit 1,4; +———————-+—————+——+—————————–+——————–+ | CODE_PANEL_DETAIL_ID | CODE_PANEL_ID | CODE | CODE_TYPE… [Read more…]
October 9, 2011
If you are struggling with the following kind of error java.lang.VerifyError: Expecting a stackmap frame at branch target 6 bla bla bla …. then a simple solution is to add the following default JVM argument -XX:-UseSplitVerifier If you are doing it in eclipse, like i was, then goto Window -> Preferences -> Installed JREs ->… [Read more…]
September 19, 2011
If you have been following the Inphina blog and our work with Scala related technologies, you would have noticed a spurt in our blog feeds. The reason being that we have recently come out of a very successful massively scalable framework created with Akka. Inphina holds an active stake in the product and the details… [Read more…]
September 15, 2011
AMQP is a message protocol that deals with publishers and consumers. It would look a lot like JMS but it is not. The main entities are Exchanges, Queues and Bindings. Look at the following diagram So a producer would send a message to the exchange and it is the job of the message broker (RabbitMQ… [Read more…]
September 15, 2011
A plugin based architecture has many advantages. Some of the common ones include Extending an application’s functionality without compiling it again Adding functionality without requiring access to the original source code. Replacing or adding new functionality becomes easy Help in organizing large projects Help in extending the functionality of the system to unimagined areas. I… [Read more…]
September 1, 2011
We are using sbt-onejar and as expected but not intended all the jars along with thier transitive dependencies were getting included in the jar. This was giving us several warnings like JarClassLoader: Warning: org/hamcrest/BaseDescription.class in lib/mockito-all-1.8.5.jar is hidden by lib/junit-4.7.jar (with different bytecode) JarClassLoader: Warning: org/hamcrest/BaseMatcher.class in lib/mockito-all-1.8.5.jar is hidden by lib/junit-4.7.jar (with different bytecode)… [Read more…]
August 26, 2011
Let me explain the scenario. We have n (tens, hundreds or thousands) of Akka actors listening to a queue on RabbitMQ server. So the scenario looks something like this As you would notice, each of the actors gets a message from the Q and invokes a plugin to do the processing and returns the results… [Read more…]
August 26, 2011
We are currently working on a very exciting web scale project. The framework is built using Scala and Akka actors and till date we are quite pleased with the performance. The architecture is plugin based where we can dynamically add plugins to our framework for processing incoming messages. Now, this is where it gets interesting… [Read more…]
December 8, 2011
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