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Blogs

Open Sourcing Zuul 2

The latest version of Netflix's Cloud Gateway, Zuul 2 is now open source and available for general use.

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How to Find Top Finance Experts

A constantly evolving suite of valuable finance resources. Includes financial consultant hiring guides, interview questi

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Ansible at Grofers (Part 1) - Introduction

About a year ago, we started setting up our infrastructure platform to make daily system operations and infrastructure m

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Build Fun UI With CoordinatorLayout

This is a blog post about exploring the idea behind the CoordinatorLayout and why it is created. So you won’t see the ba

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Context information storage for asyncio

At Sqreen, we are building an agent based on dynamic instrumentation. It detects security incidents from inside an appli

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On the importance of localisation

Here at Booking.com, we support over forty different languages, and we've seen the business value in enabling users to r

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Golang and The Tumblr API

Golang and The Tumblr API You’ve been asking for an official Golang wrapper for the Tumblr API. The wait is over! We are

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How we do talent development in Booking.com IT

As you have read in other blog posts, we really value our developers and we give them all the freedom in finding better

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Solving the Personalization Mystery: Case Closed

Struggling to solve the mystery of perfect personalization?  Recently, our team conducted a survey of B2B marketers acro

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Swift, Objective-C, Or Both?

If you are a developer of a native iOS app written in Objective-C, the topic has likely come up whether it is worth swit

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Melanie JI Mueller and Karlijn Zaanen

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From Thrift To Finatra

There are a million and one ways to do (micro-)services, each with a million and one pitfalls. At Curalate, we’ve been

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Uber Introduces Open Source AthenaX, A Streaming SQL Platform Powered By Apache Flink®

Streaming SQL with Apache Flink takes another step forward as Uber introduces its open source AthenaX platform for strea

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How to split routes.rb into smaller parts?

Each application created using Ruby on Rails framework has a routing engine and config/routes.rb file where we define ro

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Excel Expert Training w/ Spreadsheet - PhD Felienne Hermans

Professor Felienne Hermans, with a PhD in Excel, researches the application of software engineering to spreadsheets at D

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Simone - A Distributed Simulation Service

By Satyajit Thadeshwar, Mayank Agarwal, Sangeeta Narayanan & Kevin Lew

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How did Google perceive our SEO migration to blablacar.fr?

The main goal was to unify our brand domain names everywhere, the SEO challenge was to make sure traffic loss would be k

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Kotlin Uncovered: Part 4

We can learn a lot about Kotlin through decompiling the bytecode into Java. In this post, we’ll learn how having nullabi

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ElasticSeach Production Notes: Part 2

Evan Tahler ElasticSeach Production Notes: Part 2 @ 07 Jan 2015 ops

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Managing and Securing Credentials in Databricks for Apache Spark Jobs

Since Apache Spark separates compute from storage, every Spark Job requires a set of credentials to connect to disparate

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Housing Go - Behind the Screens

Redesign of our mobile website provided us the opportunity to revamp the code base to push performance to the max. With

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How trivago Reduced Memcached Memory Usage by 50%

One day, Memcached ran out of free memory. The method `get` failed and all requests went directly to the database. Of co

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Big Data Spain 2014 review

Big Data Spain is an annual conference on Big Data and related topics held in the suburbs of Madrid. This year’s, i.e. t

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Delivering billions of messages exactly once

The single requirement of all data pipelines is that they cannot lose data. Data can usually be delayed or re-ordered–bu

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