git pull command basically fetches any update present on the remote repository but not yet present in local repository and merges the change. This command is basically combination of two commands git fetch; git merge FETCH_HEAD. Basically git pull fetches and replays changes from the remote master branch since it diverge from the local branch […]

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There are two methods hashCode() and equals() present in Object class which are important and should be implemented in class. A Java developer should know the basic concept behind these methods. And sometimes even in technical interview questions are asked related to these. This get more important when object is used in hash based Collection […]

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JMeter provides functions that can be used in the sampler. While writing complex test-plan you feel that JMeter is lacking some of the methods. You use Beanshell script to define your own custom method. JMeter invokes Beanshell interpreter to run script the script. This works fine as long as you don’t generate high load (high […]

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It’s always good to use user defined variable in JMeter test plan. This way one can easily configure and customize the test plan. It definitely works in GUI but what if you want to execute the test plan using command line. You can only pass the property value using command line. Note: Command line execution […]

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Almost every other developer uses git for source control. But hardly a few of them know subtle difference between git add . and git add -A. Let’s see what help document says. -u, –update Only match against already tracked files in the index rather than the working tree. That means that it will never stage […]

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We often need to search for java class file in given jar files to make sure that the class is present. Or sometimes it may happened that you reference the class in your java code but while compilation you don’t know which jar should be included in the compile time dependencies. There is also jarscan […]

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