Wednesday, 25 November 2020

Smallest missing positive integer in an unsorted array

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The question is to find the smallest missing positive integer, given an unsorted integer array. Consider the following table of arrays and t...
Tuesday, 24 November 2020

Intersection of two sorted arrays

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 In an interview, I was asked to find the intersection of two sorted arrays. My initial approach was to iterate over each element in first a...
Saturday, 21 November 2020

Elasticsearch shard allocation failure

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 Recently, I found a shard allocation failure in an Elasticsearch cluster. Checking the reason for the failure, I found the reason to be the...
Monday, 14 September 2020

Gitk permissions on Alacritty

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Recently, I started using Alacritty instead of the Terminal app provided by Apple. It sure is much faster. There seems to be a new and anno...
Monday, 20 January 2020

Learning Puppet III: Installing modules

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In my previous post , we took a look at creating classes in Puppet and applying them locally. Let us look at installing Puppet modules next...

Learning Puppet - II: Applying Classes

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In my previous post about learning Puppet, I left a few open questions that I will attempt to answer as I continue learning. How can I a...
Wednesday, 18 December 2019

jruby-launcher upgrade

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Logstash uses JRuby. So, while trying to read the code regarding an issue I was having in Logstash, I had installed JRuby and I had set up ...
Wednesday, 28 August 2019

Setting up jEnv

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With OpenJDK, there is a need to have multiple JDK versions installed as there are many releases that are used by different projects. More...
Thursday, 22 August 2019

Jacoco instrumentation error

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In a Java project build, I was getting an error complaining about Jacoco failing to instrument a particular class. Looking at the complete ...