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Interceptors Are Functions Too

I could not agree more with my colleague and friend Travis Johnson's opinion that "[INTERCEPTORS ARE SO COOL][iasc]!" In that post, he succinctly describes the [Interceptor pattern][pattern] as used adroitly by [OkHttp][okhttp]. But, as is often the case, I believe a complicated object-oriented pattern obscures the simple functional gem within it.

What is an Interceptor?

I'll quote liberally from [OkHttp's documentation on the topic][okhttp-interceptor]:

Interceptors are a powerful mechanism that can monitor, rewrite, and retry calls. […] >

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Project Title

One Paragraph of project description goes here

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Prerequisites

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Things I believe

This is a collection of the things I believe about software development. I have worked for years building backend and data processing systems, so read the below within that context.

Agree? Disagree? Feel free to let me know at @JanStette. See also my blog at www.janvsmachine.net.

Fundamentals

Keep it simple, stupid. You ain't gonna need it.

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Infrastructure, Operations and DevOps

• Hypernetes: Bringing Security and Multi-tenancy to Kubernetes
• Docker Compose Environment Variable Binding Examples – Java, Node.Js, PHP, Python, & Ruby On Rails
• Introducing Blue Ocean: a new user experience for Jenkins
• When seconds really do matter
• LVE: an alternative container technology to Docker and Virtuozzo/LXC
• Containers: Just Because Everyone Else is Doing Them Wrong, Doesn’t Mean You Have To
• Fun with DNS
• Putting the Dev in Devops: Bringing Software Engineering to Operations Infrastructure Tooling
• Immutable Infrastructure with AWS and Ansible – Part 1 – Setup

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A curated list of AWS resources to prepare for the AWS Certifications

A curated list of awesome AWS resources you need to prepare for the all 5 AWS Certifications. This gist will include: open source repos, blogs & blogposts, ebooks, PDF, whitepapers, video courses, free lecture, slides, sample test and many other resources.

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Index:

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A curated list of AWS resources to prepare for the AWS Certifications

A curated list of awesome AWS resources you need to prepare for the all 5 AWS Certifications. This gist will include: open source repos, blogs & blogposts, ebooks, PDF, whitepapers, video courses, free lecture, slides, sample test and many other resources.

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Index:

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// $ scala-2.11.5 -Xexperimental

// Original Java 8 version: http://winterbe.com/posts/2014/07/31/java8-stream-tutorial-examples/

scala> import java.util.{Arrays, List, ArrayList}
scala> import java.util.stream.{Stream, IntStream}

// List<String> myList = Arrays.asList("a1", "a2", "b1", "c2", "c1");

scala> val myList = Arrays.asList("a1", "a2", "b1", "c2", "c1")

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======================================
Usage:

Fetcher<Source, MyEntity> f = new Fetcher<Source, MyEntity>(source) {
	@Override
	public List<MyEntity> fetch(Pageable pageRequest)
	{
		return source.findAll(pageRequest);
	}
};

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// --- Compiling ---
$ wget http://download.redis.io/releases/redis-2.8.3.tar.gz
$ tar xzvf redis-2.8.3.tar.gz
$ cd redis-2.8.3
$ make
$ make install

// --- or using yum ---
$ rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
$ rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm

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Apache Kafka

"A high-throughput distributed messaging system." site

Notes taken from source

Overview

• Created at LinkedIn (open sourced in 2011)