As a developer, we hardly use DB admin commands and mostly we forget command after use. I am trying to summarize some of the commands. If you find there are few more commands which fall under this category then please put them in the comments section. Check MySQL debugging post if you are interested in […]

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Developers often get into dilemma when they have to convert the object to string representation by choosing between valueOf() and toString() method. Because both the methods do the same thing but in a bit different ways. To give you more context, toString() method is present in Object class and generally overridden in the derived class […]

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Sometimes it’s require to install python2.7 on Ubuntu 10.04 which has python2.6 pre-installed, because some of the libraries are not compatible with python2.6 and they can work well if system has python2.7. If you try to replace 2.6 with 2.7 some of the system script might break. To avoid such scenario you generally have both […]

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JMeter provides almost all functionalities which are needed for load-testing. But sometimes functionalities do not match exactly with our requirement and code changes are required to get the custom JMeter build. This post is going to describe about my experience of building JMeter and fixing build error. First thing was required to get the source […]

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As we know regular expression is a very handy tool to processing the string. It really saves your coding and very nested if-else statements. But when you run your application on resource sensitive system then you may want to carefully choose the tools to use. ¬†Initially I thought regular expression would equal or less time […]

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As I have mention in my previous post that hashCode() and eqauls() implementation are basic concepts of Java and any developer should know about these while using Collection classes. These are important concepts and even asked in technical interviews. When equals() method is implemented it is also necessary to implement hashCode() method. In this post, […]

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