Blog: all and sundry

226 blogs updated: 67 min. ago
Kotlin "Result" type for functional exception handling
In a previous post I had gone over how a "Try" type can be created in Kotlin from scratch to handle exceptions in a functional way. There is...
02-07-2021 16:46:33 all and sundry Advanced
Spring Endpoint to handle Json Patch and Json Merge Patch
In a previous blog post I went over the basics of Json Patch and Json Merge Patch and how a code that performs these operations looks like. ...
03-06-2021 07:21:44 all and sundry Advanced
Json Patch and Json Merge Patch in Java
Json Patch and Json Merge Patch both do one job well - a way to represent a change to a source json structure. Json Patch does it as a serie...
08-05-2021 18:21:50 all and sundry Advanced
Project reactor and Caching with Caffeine
So you have a function which takes a key and returns a project reactor Mono type. Mono get(String key) { Random random = ThreadLocalRandom.c...
24-03-2021 05:37:04 all and sundry Advanced
Coroutine based Spring boot webflux application
I have worked with Spring Framework for ages and it still manages to surprise me with how cutting edge it continues to be but at the same ti...
23-03-2021 16:47:01 all and sundry Advanced
Deriving a Kotlin "Try" type
Functional programming languages like Scala often have a type called "Try" to hold the result of a computation if successful or to capture a...
15-03-2021 05:20:16 all and sundry Advanced
Jackon Kotlin extension and reified types
Jackson Kotlin module library is a pleasure to use. It greatly simplifies gnarly code, specifically one's involving TypeReference. Consider ...
09-03-2021 06:27:27 all and sundry Advanced
Top "n" using a Priority Queue
If you ever need to capture the smallest or largest "n" from a stream of data, the approach more often than not will be to use a simple data...
28-02-2021 20:41:48 all and sundry Advanced
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

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