Uber Engineering
JULY 26, 2016
By Evan Klitzke. Introduction. The early architecture of Uber consisted of a monolithic backend application written in Python that used Postgres for data persistence. Since that time, the architecture of Uber has changed significantly, to a model of microservices and … The post Why Uber Engineering Switched from Postgres to MySQL appeared first on Uber Engineering Blog.
Zalando Engineering
JULY 7, 2016
There has been a steady wave of Techpreneurs making headlines in the media, but let's consider more than just their entrepreneurial prowess. They’re tech culture revolutionaries, transforming the way developers, designers, and tech companies work, create, and communicate. How exactly have they made an impact on the tech world? This following list of influential figures has revamped the traditional work environment and, in our opinion, are reshaping the very definition of modern tech culture.
ProjectPro
JULY 26, 2016
Hiring managers agree that “Java is one of the most in-demand and essential skill for Hadoop jobs. But how do you get one of those hot java hadoop jobs ? You have to ace those pesky java hadoop job interviews artfully. You might be going for Hadoop job interview but if you have previously worked on Java platform then the range of questions can be related to core java concepts and also other components in the Hadoop Ecosystem.
Zalando Engineering
JULY 5, 2016
In September 2015, the Zalando Tech Academy was set up to help our Techies gain further insights into the programming languages, frameworks, and other tools or methods used within Zalando. Our role as the Learning Team within Zalando Technology is to support and promote our experts, to bring their learning ideas to life, and to help our colleagues develop new skills and strengthen existing proficiencies.
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Whether you’re creating complex dashboards or fine-tuning large language models, your data must be extracted, transformed, and loaded. ETL and ELT pipelines form the foundation of any data product, and Airflow is the open-source data orchestrator specifically designed for moving and transforming data in ETL and ELT pipelines. This eBook covers: An overview of ETL vs.
Zalando Engineering
JULY 31, 2016
There are only a few developer conferences focusing on payment topics, and JAX Finance is one of them. The conference was held from 27-29 April at the Park Plaza Victoria in the center of London. As a member of the Zaster team (Zaster is German slang for “money”), responsible for developing payment processing components at Zalando Payments, my mission was to get in contact with other developers, companies, and speakers dealing with payment related topics.
Zalando Engineering
JULY 27, 2016
The efficiency of your software engineering work depends not only on your deep knowledge and expertise, but also on the toolset, proper environment configuration, and team collaboration activities. I recently gave a talk at Droidcon Berlin about the best practices for Android developer productivity that we use in our Zalando Tech team. Below you can find the key points from my talk which will make your developer life more pleasant and your app more stable.
Data Engineering Digest brings together the best content for data engineering professionals from the widest variety of industry thought leaders.
Zalando Engineering
JULY 19, 2016
Our Zalando developers are building services for a swathe of great projects lately. Swagger , the API framework, is just one of the projects we’re using and building libraries for. As a company that champions an “API First” approach, the Swagger Specification complements our own push to apply a RESTful style to APIs. One of our related contributions comes in the form of Connexion , a framework for Python on top of Flask that automagically handles HTTP requests based on the OpenAPI 2.0 Specificat
Zalando Engineering
JULY 18, 2016
I recently switched teams here at Zalando Tech, and I went from working by myself with no code reviews, to now working with a senior engineer with over 10 years experience. I wanted to share with you one of the core concepts I have learned thus far, “The Factory Pattern”. One of the reasons React is so successful is due to its concept of components.
Zalando Engineering
JULY 14, 2016
When we designed the home screen of the Zalando App , we faced three challenges. Firstly, the home screen consisted of several components developed and delivered by individual teams, without former native development experience. Secondly, we believe that the first impression for customers - our home screen - must have a premium look and feel, and therefore decided to build it in a truly native fashion.
Zalando Engineering
JULY 12, 2016
Zalando Tech likes to set itself big challenges, like building the greatest tech team on Earth. With our tech department growing rapidly, the challenges of scaling our organization also need to be addressed, to make sure we’re building the best products and establishing a culture of innovation. The term ‘scalability’ has different meanings when we talk about an organization or software architecture, but it’s still critical.
Speaker: Tamara Fingerlin, Developer Advocate
In this new webinar, Tamara Fingerlin, Developer Advocate, will walk you through many Airflow best practices and advanced features that can help you make your pipelines more manageable, adaptive, and robust. She'll focus on how to write best-in-class Airflow DAGs using the latest Airflow features like dynamic task mapping and data-driven scheduling!
Zalando Engineering
JULY 11, 2016
Here at Zalando Tech, we’re driving the “API First approach” as our teams are making a lot of use of external APIs. Since we also depend on different external technologies for content delivery, DNS hosting, and asset storage, we want to integrate our services with them. One good example is Akamai. We’re using a variety of their offerings in order to give customers the best delivery and user experience.
ProjectPro
JULY 6, 2016
This article will give you a sneak peek into the commonly asked HBase interview questions and answers during Hadoop job interviews. “What is the difference between Full Shutdown backup and Live Cluster backup in HBase?” You stare at the interviewer asking you that question and think, I should know this! But at that moment, you cannot remember, and then blame yourself mentally for not preparing thoroughly for your Hadoop Job interview.
Zalando Engineering
JULY 6, 2016
In iOS development, UITableView works with two methods related to lifecycle of a UITableViewCell. The first is “ willDisplayCell:forRowAtIndexPath: ” and the other is “ cellForRowAtIndexPath: ”. I have seen these methods often misused or misunderstood for one another. There is an article by Alexander Orlov , which includes a lot of advanced programming practices for improving scrolling performance of UITableView.
ProjectPro
JULY 1, 2016
News on Hadoop-June 2016 No poop, Datadog loops in Hadoop. June 6, 2016.Computerweekly.com Datadog, a leading firm that provides cloud monitoring as a service has announced its support for Hadoop framework for processing large datasets across a cluster of computers. Hadoop users can use Datadog’s dashboard for target alerts and full stack visibility.
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Many software teams have migrated their testing and production workloads to the cloud, yet development environments often remain tied to outdated local setups, limiting efficiency and growth. This is where Coder comes in. In our 101 Coder webinar, you’ll explore how cloud-based development environments can unlock new levels of productivity. Discover how to transition from local setups to a secure, cloud-powered ecosystem with ease.
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