Scala Future vs Java Future

TIL there is a difference between Scala Future and Java Future. http://stackoverflow.com/questions/31366277/what-are-the-differences-between-a-scala-future-and-a-java-future

 

Java Future is blocking because it waits if necessary for the computation to complete, and then retrieves its result.

 

Scala Future on the other hand is a real non-blocking computation. You can map the callbacks or chain multiple Futures in monadic fashion.

 

Java 8 has CompletableFuture which implements a Promise (CompletionStage). It can be non-blocking by attaching callbacks. (http://www.deadcoderising.com/java8-writing-asynchronous-code-with-completablefuture/) The code however is more convoluted compared to Scala.

The Open Guide to Amazon Web Services

This is a guide you should read if you want to start using Amazon Web Services or learn more about them.

https://github.com/open-guides/og-aws

How Google Cloud powers Pokémon GO, one of the most popular mobile games to date

A picture worth a thousand words. This was what happened on Pokémon GO launch.

Luke Stone, Director of Customer Reliability Engineering, explains how container-based deployment helps Google and Niantic to scale.

Read more about it on Google Cloud Platform Blog.

Image Compression with Neural Networks

Google Research Blog just posted a blog post which introduces image compression model with Neural Networks. They explore whether machine learning can provide better results for image compression like it has for image recognition and text summarization.

Read more on Google Research Blog.

Let ‘localhost’ be localhost.

The draft which proposes to update RFC6761 by requiring that the domain
“localhost.” and any names falling within “.localhost.” resolve to
loopback addresses.

Read more here https://tools.ietf.org/html/draft-west-let-localhost-be-localhost-02

Yangon Heritage Strategy from the Yangon Heritage Trust

The Yangon Heritage Trust today unveiled its eagerly-awaited “Yangon Heritage Strategy“. The 150 page document, complete with many maps and illustrations, outlines the Trust’s vision and strategy towards making Yangon Asia’s most liveable city through sustainable development and heritage conservation.

Upgrade your SSH keys!

This article https://blog.g3rt.nl/upgrade-your-ssh-keys.html explains in detail on why you should upgrade your SSH keys. As time flies, many of you are using older keys and not aware of the need to generate fresh ones to protect your privates much better. The article demonstrates how you can upgrade your old SSH keys into Ed25519 keys.

ripgrep: a new command line search tool

ripgrep http://blog.burntsushi.net/ripgrep/ is faster than {grep, ag, git grep, ucg, pt, sift} 

The surprisingly long list of things that can’t be copyrighted

Moz SEO cheat sheet

If you are new to SEO, you are gonna love this cheat sheet. It contains useful syntax and recommendations for web developers such as robots standard, sitemap syntax, structured data, etc.

MOZ The Web Developer’s SEO Cheat Sheet