Systems | Development | Analytics | API | Testing

Migrating Our Events Warehouse from Athena to Snowflake

At Singular, we have a pipeline that ingests data about ad views, ad clicks, and app installs from millions of mobile devices worldwide. This huge mass of data is aggregated on an hourly and daily basis. We enrich it with various marketing metrics and offer it to our customers to analyze their campaigns’ performance and see their ROI. The upshot is that we receive tens of thousands of events per second and handle dozens of terabytes of data every day, managing a data set of several petabytes.

Selenium is a Terrific Automation Framework, but it's Not a Strategy

Here at Sauce Labs, we love Selenium. It was created by our co-founder Jason Huggins, so it will always have a soft spot in our hearts. But the truth is, if we are being technical, Selenium is more of a robotic browser control mechanism than a true test automation framework. While Selenium can definitely be part of your test automation strategy, the use of it in itself would not qualify as a proper testing strategy.

Qlik Cloud Enables Buyk To Rapidly Spin Up Online Grocery Shopping Operations in New York City

The phenomenon of web-based, at-your-door-in-minutes, restaurant food-delivery service is widespread and commonplace nowadays, with various apps and platforms, such as Grubhub or DoorDash, providing diners with an at-home eating experience – look up a restaurant, choose what you want to eat, and your food is on its way. The same can be said about grocery shopping.

Keep an audience engaged with interactive realtime features

Livestreams allow an online audience to come together and watch a video broadcast in realtime. Globally, uptake has soared since 2020 as people come together to experience live sports and arts events; and to work, learn and play. The popularity of livestream entertainment is, in part, down to how it includes the audience. Integrated chat and other features allow viewers to interact -- with each other and the host.

How to Handle the <Identifier> Expected Error in Java

By definition, an identifier in Java is a sequence of one or more characters, where the first character must be a valid first character (letter, $, _) and each subsequent character in the sequence must be a valid non-first character (letter, digit, $, _). An identifier can be used to name a package, a class, an interface, a method, a variable, etc.

Modern Software Needs Modern Testing: The Test Toolchain, AI, and Risk-Based Thinking

Web and mobile apps are now organizations’ primary connection with their customers. Staying relevant and winning market share requires that firms can make constant changes to these apps. However, can organizations deploy many more small changes - often many per day - with confidence and with managed risk? We'll take a closer look at how a modern testing toolchain combines both production safety nets - from canaries, to feature flags, to error reporting - with pre-production intent validation tools for both developers and quality assurance/quality engineering. We can see how it is possible to measure and predict and limit the risk of a change by using AI.