Kotlin Weekly - Kotlin Weekly #332

 
 

ISSUE #332

11th of December 2022
 



Announcements


Kotlin Weekly is on Mastodon
Kotlin Weekly is now on Mastodon. Make sure you follow us there, to get Kotlin updates every Sunday.
kotlin.social



Articles


Slowing down your code with Coroutines
Can a Coroutine slow down your code? Jan Vladimir Mostert analyses in this article how and when this can happen.
kt.academy

Testable Database Repositories in Kotlin
Andrew O'Hara analyses in this article how to get perfect test coverage for your SQL and DynamoDB code.
betterprogramming.pub

A birds-eye view of Arrow: Error Handling
Learn about Error Handling in Arrow, end how to effectively work with Either in this article written by Simon Vergauwen.
kt.academy

A few Kotlin constructs
Kaushik Gopal wrote this article as a public service advisory to remind us why several important Kotlin language constructs are important.
kau.sh



Videos


Threads vs Coroutines - ParallelMap Performance
In this episode Duncan McGregor implements a parallelMap operation using streams, raw threads, a threadpool with futures, and coroutines, and analyses their performance.
www.youtube.com

collect, first, last, single, toSet, toList, fold, reduce
Do you want to know how and when to use the above Kotlin Flow terminal operators? Lukas Lechner explains it in this video.
www.youtube.com

Advent of Code 2022 in Kotlin
Check out all the previous and scheduled videos from JetBrains for the Advent of Code 2022!
www.youtube.com



Podcast


Growing from MIDDLE to SENIOR developer with Marcin Moskala
Marcin Moskala speaks in this episode of Talking Kotlin about what distinguishes a mid-level developer from a senior one, and how do you make the leap.
talkingkotlin.com



Libraries


KStore
KStore is a tiny Kotlin multiplatform library that assists in saving and restoring objects to and from disk using Coroutines, kotlinx.serialisation and Okio.
github.com

Zipline
Zipline streamlines using Kotlin/JS libraries from Kotlin/JVM and Kotlin/Native programs. It makes it fetching code as easy as fetching data.
github.com

Analytics
Analytics is a Kotlin Multiplatform library that acts as a simple facade or abstraction for analytics.
github.com

Circuit
Circuit is a simple, lightweight, and extensible framework for building Kotlin applications that are Compose from the ground up.
slackhq.github.io

Mendable
A CLI tool to convert multi-module Jetpack Compose compiler metrics into beautiful HTML reports
github.com

Contribute

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If you want to submit an article for the next issue, please do also drop us an email.
 


Thanks to JetBrains for their support!

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Kotlin Weekly #331

Sunday, December 4, 2022

ISSUE #331 4th of December 2022 Welcome to December Kotliners! Last month in this year. Enjoy your weekend, and check out the links we have prepared for you Announcements Kotlin Weekly is on Mastodon

Kotlin Weekly #330

Sunday, November 27, 2022

ISSUE #330 27th of November 2022 Announcements We Are Looking For EAP Champions! The Kotlin Team is looking for Kotlin Early Access Preview (EAP) champions. If you are interested make sure that you

Kotlin Weekly #329

Sunday, November 20, 2022

ISSUE #329 20th of November 2022 Hello Kotliners! We now have a Mastodon account, you can follow us there: kotlin.social/@KotlinWeekly. We will be posting from now on both Twitter and Mastodon. We are

Kotlin Weekly #328

Sunday, November 13, 2022

ISSUE #328 13th of November 2022 Greetings Kotliners! This week was the 12-year anniversary of the initial commit in the Kotlin repository. This has changed the life of many of us and how we spend most

Kotlin Weekly #327

Sunday, November 6, 2022

ISSUE #327 6th of November 2022 Hello Kotliners. Last week has been a terrible one for many of us. Multiple layoffs across the industry have reminded us of our vulnerability in an economic downturn. If

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