ProTech Blog

A hands-on tutorial using Spark SQL and DataFrames to retrieve insights and visualizations from datasets published by the City of San Francisco.

In this intermediate-level tutorial, I'll address the question of which Apache Spark APIs to use, with a series of brief technical explanations and demos that highlight best practices, latest APIs, and new features in Spark 2.0.

Most of you probably don’t use UML (kudos if you do). If you think UML seems old and complicated, you’re absolutely right. BUT, trust us that it’s still worth your time.

Two talks from SFJS that look at: Horizon - a realtime open-source backend for JavaScript apps from the RethinkDB team; and 5 tips for take your front-end skills to the next level

Service Oriented Architecture is a design pattern that works really well for Node.js. Laurie Voss, CTO at npm explains what it is, and how to do it well, using npm's architecture as a case study

Hans Dockter of Gradlware, and Jon Schneider of Netflix talk about scaling with Gradle across hundreds to thousands of developers in these talks from the SF Java User Group.

Watch every talk from the 6th annual Northeast Scala Symposium

Information security is a growing concern. Check out the list of the top five most concerning security issues for this year.

The increase of M-Commerce means that more of your customers are visiting your website on mobile devices. Improve your ROI with these mobile development methods.

When you're just starting out in the world of software development, it can be tempting to rely exclusively on self teach methods. After all, there are a number of great resources available to you. From code.org to Code Academy and Stack Overflow - seeking answers to your technology questions and educating yourself about the development language you're using is simpler than it has ever been. But are these efforts enough to land you a career in software development? Or to help you become a better IT professional?

Overview of the Brillo (and Weave) stack, including an overview of the features provided by Google and how it compares to its parent system&mdsah;Android. Recorded at DevFest MN 2016.

Spring Developer Advocate, Josh Long, unravels Microservices and will introduce you to the Spring Cloud project to support cloud-scale and cloud-ready microservices in this presentation from the SF Java User Group.

This is an AngularJS tutorial to show how to create a web application using Rest API integration. In this web application tutorial you'll learn how to create an AngularJS app. The full Angular source code is provided at the end of the tutorial.

s Client Server Technologies surged in the mid 90's, the mainframe was predicted to be dead at or near the turn of the century. The debate still carries on throughout the world of IT. That debate has two sides. On one side are those who believe that the mainframe is obsolete and enterprise organizations are running into massive handicaps and maintenance drag with their legacy systems. On the other hand, the supporters claim that enterprise companies and government organizations are so reliant on these systems that it will be a long time if ever before they'll stop using them. Who is right? Both, perhaps.

Learn how you can use the Firebase iOS SDK to build powerful apps without writing a single line of server code in this presentation fro the The Silicon Valley iOS Developers' Meetup.

In this talk, you'll learn through running Java code how the JVM decides to compile your code and see firsthand some situations where the JVM may get it wrong and have to deoptimize

In this tour from QCon SF, I'll show you Spark's ability to rapidly process Big Data. I'll demonstrate extracting information with RDDs, querying data using DataFrames, visualizing and plotting data, and show you how to create a machine-learning pipeline with Spark-ML and MLLib. We'll also discuss the internals which make Spark 10-100 times faster than Hadoop MapReduce and Hive.

32 presentations on advancing the web from the third Forward Web Summit in San Francisco.

Walkthrough of Google's Proximity Beacon API for beacon management and the Nearby Messages API for client-side discovery.

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