Blog: all and sundry

215 blogs updated: 31 min. ago
Generating a stream of Fibonacci numbers
A Java stream represents potentially an infinite sequence of data. This is a simple post that will go into the mechanics involved in generat...
19-01-2021 06:59:02 all and sundry Advanced
AWS SDK 2 for DynamoDB and storing a json
AWS DynamoDB is described as a NoSQL key-value and a document database. In my work I mostly use the key-value behavior of the database but r...
01-12-2020 03:59:53 all and sundry Advanced
Permutation - Heap's Algorithm
This is a little bit of an experimentation that I did recently to figure out a reasonable code to get all possible permutations of a set of ...
15-11-2020 10:39:38 all and sundry Advanced
An experiment with Little's Law
My previous blog post about Project Reactor and Backpressure was about how Project Reactor provides sane defaults for scenarios where a lot ...
14-10-2020 02:26:22 all and sundry Advanced
Backpressure in Project Reactor
Project Reactor implements the Reactive Streams specification, which is a standard for asynchronously processing a stream of data while resp...
27-07-2020 03:07:26 all and sundry Advanced
Expressing a conditional expression using Json - Java Implementation
I had a need recently to express a conditional expression in a form that a front end Javascript application and a backend Java application c...
05-07-2020 02:49:06 all and sundry Advanced
AWS DynamoDB version field using AWS SDK for Java 2
It is useful to have a version attribute on any entity saved to an AWS DynamoDB database which is simply a numeric indication of the number ...
25-05-2020 16:21:00 all and sundry Advanced
Processing SQS Messages using Spring Boot and Project Reactor - Part 2
This is a follow up to my blog post about processing SQS messages efficiently using Spring Boot and Project Reactor There are a few gaps in ...
09-04-2020 06:41:19 all and sundry Advanced
Processing SQS Messages using Spring Boot and Project Reactor
I recently worked on a project where I had to efficiently process a large number of messages streaming in through an AWS SQS Queue. In this ...
22-03-2020 07:22:00 all and sundry Advanced
Project Reactor expand method
One of my colleagues at work recently introduced me to the expand operator of the Project Reactor types and in this post I want to cover a f...
25-02-2020 07:03:10 all and sundry Advanced

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