Remove Design Remove Exercise Remove Processing Remove Testing
article thumbnail

Building High-Quality Software

DZone

It’s much better to build your process around quality checks than retrofit these checks into the existent process. NIST did classic research to show that catching bugs at the beginning of the development process could be more than ten times cheaper than if a bug reaches production. There are so many benefits.

Software 245
article thumbnail

Interpreting A/B test results: false positives and statistical significance

The Netflix TechBlog

Martin Tingley with Wenjing Zheng , Simon Ejdemyr , Stephanie Lane , and Colin McFarland This is the third post in a multi-part series on how Netflix uses A/B tests to inform decisions and continuously innovate on our products. Have a look at Part 1 (Decision Making at Netflix) and Part 2 (What is an A/B Test?). Need to catch up?

Testing 226
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

Seamlessly Swapping the API backend of the Netflix Android app

The Netflix TechBlog

Migration Testing Infrastructure Our monolith had been around for many years and hadn’t been created with functional and unit testing in mind, so those were independently bolted on by each UI team. For the migration, testing was a first-class citizen. Replay Testing Enter replay testing.

Latency 233
article thumbnail

Carving an AWS certification path

Dynatrace

Hosted and moderated by Amazon, AWS GameDay is a hands-on, collaborative, gamified learning exercise for applying AWS services and cloud skills to real-world scenarios. Take a trial test at Linux Academy if it’s applicable to the cert you have in mind. As of June 2021, Amazon currently offers 11 certifications.

AWS 212
article thumbnail

Copyright, AI, and Provenance

O'Reilly

This ruling in itself raises many questions: how much creativity is needed, and is that the same kind of creativity that an artist exercises with a paintbrush? But reading texts has been part of the human learning process as long as reading has existed; and, while we pay to buy books, we don’t pay to learn from them.

article thumbnail

COVID-19 Hazard Analysis using STPA

Adrian Cockcroft

There are many possible failure modes, and each exercises a different aspect of resilience. Another problem is that a design control, intended to mitigate a failure mode, may not work as intended. Staff should be familiar with recovery processes and the behavior of the system when it’s working hard to mitigate failures.

article thumbnail

Understanding, detecting and localizing partial failures in large system software

The Morning Paper

In contrast, a process suffering a total failure can be quickly identified, restarted, or repaired by existing mechanisms, thus limiting the failure impact. 71% of failures are triggered by a specific environment condition, input, or faults in other processes. Characterising partial failures. a restart) is made.

Systems 98