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Download Files from FTP using JSch java library

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SSH provides support for secure remote login (login to remote server similar to putty), secure file transfer (SCP or FTP/SFTP download), an...

Spock - call mocked method multiple times and return different results for same input

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Spock - return different mock result for same input In unit testing, we create and use mock objects for any complex/real object that's i...

GraalVM setup and generate native image using maven plugin

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GraalVM Setup and native image generation using Maven plugin Today we are going to generate native image(one of many features of GraalVM) ...

Create a huge data file for load testing

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In this short blog, I am going to describe how you can create a big file for load testing. In most cases, you will only need step #2 to comb...

java read huge xml file and convert to csv

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SAX parser uses event handler org.xml.sax.helpers.DefaultHandler to efficiently parse and handle the intermediate results of an XML file.   ...

Java Compress/Decompress String/Data

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Java provides the Deflater class for general purpose compression using the ZLIB compression library. It also provides the DeflaterOutputStre...

Game of Thrones Style farewell email to coworkers

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I left my job for another opportunity after working for 8.5 years. Since I had nothing left to do on my last day, I decided to get little cr...

Project to test your programming skills

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Project to test your programming skills A Guessing Game - to become Full Scope/Stack Developer If you are wondering what would be a perf...

Myths and Facts About Programming

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Myths and Facts About Programming - Stuff that I wish I knew in my early career What's this? A collection of common myths and facts...

AWS Java SDK - automatically detect the region

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When the app is deployed in multiple regions in AWS, its useful to detect the region automatically without specifying the region by using a ...