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Learn about a variety of use cases for Kafka and Kafka's API — from from consuming and writing data to streams to more reactive approaches with Akka.

October 3, 2017

by Artem Rukavytsia

· 9,851 Views · 10 Likes

Sneakily Throwing Exceptions in Lambda Expressions

Java 8's type inference rules leave an exploitable hole you can use to handle checked exceptions when using lambda expressions.

Updated October 3, 2017

by Grzegorz Piwowarek

· 51,113 Views · 13 Likes

How to Check Open Source Code for Vulnerabilities

As open source code becomes a greater part of the foundation of the tech we use every day, it's important that developers know how to check it for security vulnerabilities.

October 3, 2017

by Caleb Fenton

· 25,467 Views · 7 Likes

When Throughput Matters - Parallel GC

This post will help you understand the uses of Parallel Collector/Throughput Collector in minor and major garbage collection (GC).

October 3, 2017

by Grzegorz Mirek

· 17,149 Views · 14 Likes

Flips: Feature Flipping for Java

Take a look at Flips, a new feature toggling library designed to be easy to use and require minimal configuration while still being customizable.

October 2, 2017

by Sarthak Makhija

· 12,248 Views · 6 Likes

Get Through the App Store Review Process: The Complete Guide

Don't stress- this guide is here to help you understand the details of the mobile app review process and get your app successfully published.

October 2, 2017

by Katarzyna Lorenc

· 5,056 Views · 2 Likes

Load Testing Your DataBase-Connected APIs With Gatling

In this article, a performance tester shows us how to use Gatling to load test APIs with a database interaction. Read on for more!

October 2, 2017

by Grigor Avagyan

· 11,011 Views · 2 Likes

On-Demand Compute Pricing: AWS vs. Azure vs. Google

Take note, cloud architects: In this three-way battle of the cloud giants, see how on-demand compute pricing compares among AWS, Azure, and Google.

October 2, 2017

by Jignesh Solanki

· 19,349 Views · 10 Likes

Prepare for a Post-Mobile App World

Where will technology go when the mobile app boom is over? Read on for some insight on what the next big technological trend will bring.

October 2, 2017

by Amy Groden-Morrison

· 5,154 Views · 8 Likes

A Simple Try-With-Resources Construct in Scala

Check out how to implement try-with-resources in Scala, then take a lesson in generic programming using the Shapeless library.

October 2, 2017

by Stanislav Chetvertkov

· 21,550 Views · 5 Likes

Cool SQL Optimizations That Do Not Depend on the Cost Model (Part 2)

Learn about five (more!) simple optimizations that can be implemented purely based on metadata (i.e. constraints) and the query itself.

October 1, 2017

by Lukas Eder

· 4,773 Views · 6 Likes

Processing Hierarchical Data Using Spark GraphX Pregel API

Learn about using the GraphX Pregel API, a very powerful tool that can be used to solve iterative problems and pretty much any graph computation.

September 30, 2017

by Suraj Bang

· 16,804 Views · 2 Likes

Reading Nested Parquet File in Scala and Exporting to CSV

In this brief, yet code-heavy tutorial, learn how to handle nested Parquet compressed content and remove certain columns of your data.

September 30, 2017

by Avkash Chauhan

· 10,534 Views · 3 Likes

Packers, How They Work, Featuring UPX

A security researcher demonstrates how to get packers, specifically UPX, up and running on our system. Read on to learn more!

September 30, 2017

by Christopher Lamb

· 23,016 Views · 1 Like

Weak, Soft, and Phantom References in Java (and Why They Matter)

This breakdown of weak, soft, and phantom references explains how they impact GC and memory allocation as well as some ideal use cases.

September 30, 2017

by Uberto Barbini

· 85,071 Views · 36 Likes

DevOps for Mobile App Development - Considering the Human Side

DevOps for mobile hasn't taken off quite yet- but why not? Learn what you need to consider when applying DevOps to mobile app development.

September 30, 2017

by Amy Groden-Morrison

· 5,100 Views · 1 Like

Building a Realtime Chat App With Django and Fanout Cloud

In this tutorial, we show you how to create a web-based, communication application using these two free platforms. Read on for more!

September 30, 2017

by Justin Karneges

· 18,534 Views · 4 Likes

TestCafe: An e2e Testing Tool That Doesn’t Use Selenium

See how easy it is to run e2e testing written in JavaScript with TestCafe, an open source Node.js tool, and no need for Selenium.

September 29, 2017

by Alexander Moskovkin

· 18,788 Views · 3 Likes

Recover Deleted Data From SQL Table Using Transaction Log and LSNs

As the SQL Server database is a highly popular relational DBMS among corporate sectors and businesses, the issue of data loss is critical.

September 29, 2017

by Prashanth Jayaram

· 224,419 Views · 3 Likes

How to Ramp Down in JMeter

Learning how your system can handle fluctuating loads is an important part of performance testing. Read on to learn how to use JMeter to this end.

Updated September 29, 2017

by George Maksimenko

· 15,561 Views · 2 Likes

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