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MongoDB provides Oplog and System Profile two of many tools that are very easy to use and help you debug queries, operations; help you see what's going on in your MongoDB....

25 posts!

Bottle and Flask are popular microframeworks for Python. You can use them to upload and download files to Mongo GridFS like so......

Providing custom validation messages in Grails is pretty straightforward, once you know how to set it up via Grails convention over configuration....

On my previous blog post about installing ELK stack without sudo access one of the commentator asked me about explaining the Logstash config in more detail. For ease of reference the Logstash config is reproduced below: input { redis { host => "127....

10 posts!

10 posts!

Displaying static content in JBoss is possible and *mostly* straightforward. Here's how......

I wanted to store current date time (in UTC time zone) in ISO format in Mongo with Groovy as the language. It is pretty straightforward with joda time library. First the code and then some explaination. import org.joda.time...

In this 8 part series, I will cover how to create a simple Maven Web project, and then add Hibernate, Spring MVC and Mockito dependencies. I am assuming you have Maven installed. If not you can learn how to install...

Maven has this concept of archetypes, which are in simple terms pre-configured or pre-setup projects for different technologies like GWT, Grails, Scala, Wicket etc. So what you are getting is Maven's goodness sprinkled on top of these pre configured project...

Groovy provides Aspect Oriented Programming construct via GroovyInterceptable interface. The concept is as simple as implementing GroovyInterceptable interface and providing a definition for Object invokeMethod(String name, Object args) method as shown below. class GenericService implements GroovyInterceptable { boolean transactional = true...

supervisor has some awesome plugins. One among them is superlance. It allows you to notify via email in case of certain event occurrence. For ex: you can send an email to the ops guys if a process terminates abruptly. Here's...

supervisord is an awesome service that allows you to control your services. How to install and get started with supervisord is explained below....

how to display thread id in python logs...

Issue: I have a Bottle application where I raise HTTPResponse in case of an error. Simplified version of the code provided below: Now, when I hit the URL: http://localhost:8080/error I get: APP 1 - Before Request http...

Once you have your packages installed to your custom pypi server, you can have your pip refer to it like so: a. If you use requirements.txt to install your module: Sample requirements.txt: --find-links http://10.10.161.9...