Categories
Random Resources

Scala database access driver client links and resources.

Resources and links about accessing a database in Scala.

An async postgre mysql db access client 

Categories
Resources Software Development

Scala concurrent programming links and resources

A journey into concurrent programming in Scala – a good article about concurrent programming in Scala

Java Executors documentation – Scala uses Javas future system with Executors etc.

Play uses Akka so you can also use Akka dispatchers for the ExecutionContext required in the Controllers.

Link to Hikaricp library that creates connection pools for database access on JVM

Ebooks

Concepts and Technologies for Distributed Systems and Big Data Processing
Philipp Haller
Scala Futures, Async, and Actors

Categories
Resources Software Development

Scala Threads, Futures and Promises, links and resources

Links

Scala Futures – link to the api documentation

Concurrency vs Parallel computing – good article on the subject

Don’t use actors for concurrency – article about using actors and futures for concurrency

A journey into concurrent programming in Scala – this article explains the basics of using futures and an execution context for concurrency. This is very basic.

Throttling Instantiations of Scala Futures – a very good article pointing out some of the issues with using Scala futures and how to back pressure them.

Understanding play thread pools – this is from the documentation on how to create thread pools

Scala Futures and Promises – Article from the Scala lang website documenting how Futures and Promises work in Scala

Scala Future Execution Context API documentation

Link to Java Executor documentation – for working with execution contexts

Link to an article about Scala async/await on the scala-lang site

Asynchronous Programming and Scala – a really good article about async programming and how it works in Scala.


Videos

Scala futures


Future Calculations (in Scala)


Scala Programming – Introduction to Threads and Futures


Futures and Async: When to Use Which?


This video explains more of the theory of how Futures, Async and promises work than how to actually use them.


How to Write Controllable Futures in Scala | Rock the JVM


Awaiting Futures (in Scala)

Categories
Resources Web Development

Javascript resources

javascriptweekly – keep up to date on the latest javascript news

How to deal with dirty side effects in your pure functional JavaScript

async/await is just the do-notation of the Promise monad

Do we really need classes in JavaScript after all?

The cost of javascript. Javascript is often misused and abused or poor practices are used. This article covers some of the things you can do to lighten your apps javascript load and clean up your code a little.

Should You Use Classes in JavaScript?

A re-introduction to JavaScript (JS tutorial)¬† – because developers couldn’t be bothered with the hard task of learning actual Javascript syntax we had to pollute the syntax even more with Classes etc.

Function expressions explained

Arrow function expressions explained – examples and explanation

Mocking is a code smell – interesting article about how you can get out of control with testing and dependency injection. It is about javascript but applies to other languages.

Eradicating memory leaks in Javascript – A very good article for anyone to who creates Apps with Javascript.