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The Value of JSON Values - DZone Java


The Value of JSON Values
A deep dive into JSON.
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This article introduces json-values, a pure functional Java library to work with JSON. In this first article, we ll see some impressive recursive data structures to model essential concepts in software development like data validation, data generation, and parsers. 
The first and most important virtue of json-values is that JSON objects are immutable and implemented with persistent data structures, better known in FP jargon as values. As Pat Hellan said, immutability changes everything.
It s a fact that, when possible, working with values leads to code with fewer bugs, is more readable, and is easier to maintain. Item 17 of Effective Java states that we must minimize mutability. Still, sometimes it s at the cost of losing performance because the copy-on-write approach is very inefficient for significant data structures. Here is wher ....

Allvalues Jsvalue , Allvalues Jsstr , Jsvalueget Jspathpath , Merino Garc , Jsonset Jspathpath , Pat Hellan , Allvalues Jsinstant , Effective Java , Functional Programming , Persistent Data , மெரினோ கர்க் , பயனுள்ள ஜாவா , செயல்பாட்டு ப்ரோக்ராமிஂக் , தொடர்ந்து தகவல்கள் ,

Transactional Effects in Scala - DZone Java


Transactional Effects in Scala
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Introduction
This post was inspired by a StackOverflow answer for the question Compose Futures with Recovery in Scala: Is it possible to compose
Futures in a manner where, if one of them fails, a previous
Future s execution result will be rolled back via some function?
The Problem
F[ ], so we can say: How can we compose effects
F[ ] in a manner where, if one of them fails, the previous
F[ ] execution result will be rolled back via some function? This behavior is similar to what we know as a Transaction.
Solution
cats-effect version
Scala
2
3
6
8
9
11
  Here goes syntax trick - in for-comprehension will be invoked `flatMap` of this wrapper and not of underlying effect. ....

Compose Futures , Functional Programming , Functinal Programming , Cats Effect , எழுது எதிர்காலங்கள் , செயல்பாட்டு ப்ரோக்ராமிஂக் , பூனைகள் விளைவு ,

20 Software Engineering Podcasts to Follow


20 Software Engineering Podcasts to Follow
See which one interests you the most.
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At Apiumhub, we listen to hours of working software and software architecture podcasts each week covering architecture patterns, DevOps and architecture, iOS architecture, Android architecture, Backend architecture, Frontend architecture, etc.  Whether you listen to them on your way to work or while having lunch or fervently coding, I hope you find them inspiring, enlightening, and useful.
20 Software Engineering Podcasts to Follow
Software Engineering Radio is a podcast targeted at professional software developers. The goal is to be a lasting educational resource, not a newscast. Three to four times per month, they publish a new episode talking to experts from the software engineering world about the full range of topics that matter to professional developers. ....

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