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Core Java
Code4ReferenceList Recently Used(LRU) implementation using LinkedHashMap
Recently I stumbled on one of the Java interview questions: “Implement List-Recently-Used (LRU) Cache using Java collection class?” If you…
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DevOps
MySQL error: Can’t connect to MySQL server
You may have stumbled on this MySQL error. If you have already seen this before, then it’s really easy to…
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Enterprise Java
Apache Server and JMeter debugging
I had been using JMeter to generate load for my production server to test my application. The test-plan has 13+…
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Enterprise Java
JMeter custom function implementation
JMeter provides functions that can be used in the sampler. While writing complex test-plan you feel that JMeter is lacking…
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Software Development
Debugging SQL query in MySQL
Recently I started writing SQL query for analyzing and debugging the production code. But I was surprised to see that…
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Android Core
Android: Copy-paste with Intent and support for HTML
Android provides support for copy and paste feature using ClipBoardManager. The developer.android.com provides a brief description along with an image…
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Android Core
Android AlarmManager tutorial
While writing an application, need arises to schedule execution of code in future. You may require AlarmManager to schedule your…
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Android Core
Android dynamic and XML layout
Android activity contains various user interface components e.g Button, Radio button, List, Text field etc. The user interface component can…
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Android Core
Android Homescreen Widget with AlarmManager
In this tutorial we will learn to create widget with update interval less than 30 mins using AlarmManager. New update:…
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