Testlodge

AUGUST 9, 2023

The tester established a baseline by selecting the most critical, common, or obvious path through the code selection. Steps to Performing Basis Path Testing The first step is to create a control flow graph for a specified code section. The second step is to select a baseline path through the code.

Testing 75

Testing Software Software C++ 75

The Netflix TechBlog

SEPTEMBER 8, 2020

On the Android team, while most of our time is spent working on the app, we are also responsible for maintaining this backend that our app communicates with, and its orchestration code. Image taken from a previously published blog post As you can see, our code was just a part (#2 in the diagram) of this monolithic service.

Latency 233

Latency Cache Java Traffic 233

Smashing Magazine

OCTOBER 13, 2021

You can always ask a question live , you can share your screen and get immediate feedback, and you can work on group exercises with people around the world. Live discussions and interactive exercises are at the very heart of every workshop, with group work, homework, reviews and live interaction with people around the world.

Design 86

Design Programming Testing Systems 86

Smashing Magazine

MAY 22, 2020

Inspired Design Decisions With Max Huber: Turning Mundane Subjects Into Exciting Visual Communication. Inspired Design Decisions With Max Huber: Turning Mundane Subjects Into Exciting Visual Communication. Even highly regarded, well-known designers spent time working with mundane subjects and produced iconic work. Andrew Clarke.

Design 91

Design Media Development Energy 91

Dynatrace

APRIL 21, 2022

The Azure Well-Architected Framework is a set of guiding tenets organizations can use to evaluate architecture and implement designs that will scale over time. Using high-fidelity metrics, logs, code-level tracing, and a dynamic topology map of your applications, Davis can identify the precise root cause and prioritize its business impact.

Azure 187

Azure Monitoring Virtualization Metrics 187

Particular Software

SEPTEMBER 11, 2023

Now go rewrite all your code… we’ll wait…are you done yet? the mobile app) can be built using modern, cloud-based technology while still leveraging the tried-and-true code in the various legacy systems. The NServiceBus Messaging Bridge The NServiceBus Messaging Bridge was designed specifically for these scenarios.

Cloud 126

Cloud Systems Azure Airlines 126

Dynatrace

MAY 15, 2020

How to assess an environment’s security posture, risk and threat profile, and possible attack vectors, where perhaps you didn’t code the application or build the infrastructure, and where new code is deployed frequently, and the infrastructure is constantly changing? And this poses a significant risk. Showing a list of key processes.

Government 225

Government DevOps Infrastructure Network 225

Dynatrace

DECEMBER 10, 2020

Change starts by thoroughly evaluating whether the current architecture, tools, and processes for configuration, infrastructure, code delivery pipelines, testing, and monitoring enable improved customer experience faster and with high quality or not. Constantly reinventing wheels with a “Not Invented Here” bias.

Strategy 177

Strategy Performance Logistics Monitoring 177

Smashing Magazine

OCTOBER 16, 2021

After working on a coding project for a good couple of hours, many developers like myself tend to hit a wall. Meet Adam Silver’s Form Design Patterns , a practical guide to designing and building forms for the web. Physical Exercise. A Simple But Effective Mental Health Routine For Programmers. Dave Oscar.

Programming 102

Programming Energy Code Processing 102

Smashing Magazine

JULY 27, 2021

is opinionated about how to organize JavaScript code, but it doesn’t have built-in opinions about how to organize CSS. and exercise best CSS practices. To solve the second problem, I take an approach that can be summarized in four pieces: Design tokens. Design Tokens. I have had a great experience using Next.js

Website 142

Website Design Best Practices Code 142

The Agile Manager

AUGUST 31, 2021

Although completing a story may require contribution from people in different roles - QA analyst and developer and experience designer, for example - each person is still responsible for the entire outcome of the story. An Agile story is an expression of end-to-end business need. Good managers know how to work the problem and solution space.

Metrics 52

Metrics Design Engineering C++ 52

Percona

AUGUST 30, 2023

If a PostgreSQL user wants to change these values, they need to recompile the PostgreSQL from the source code. This can be changed later using the pg_checksums utility, but that will be a painful exercise on a big database. Changing these values at compile time is not intended for common use.

Database 100

Database Servers Open Source Tuning 100

Testsigma

JANUARY 6, 2022

There is no need to write cumbersome code and framework any further. The in-sprint test automation helps to achieve quick results with continuous testing and integration of code. You can also use KPIs to track the effectiveness of your software testing and test automation process, it can be as primitive as colour-coding.

Testing 52

Testing Internet Internet Testing Tools 52

The Morning Paper

MARCH 15, 2020

Before designing a better system for detecting partial failures, the authors set about understanding their nature and causes through a study of five software systems (ZooKeeper, Cassandra, HDFS, Apache, and Mesos). All in, OmegaGen is about 8Kloc of Java code, making use of the Soot analysis framework. Characterising partial failures.

Systems 98

Systems Software Software Programming 98

Sutter's Mill

MAY 1, 2023

On the cppfront wiki, see the Design Note “operator=, this & that” for details. Briefly summarizing here: The only special function every type must have is the destructor. If you don’t write it by hand, a public nonvirtual destructor is generated by default.

C++ 97

C++ Virtualization Lambda Code 97

MachMetrics

DECEMBER 12, 2019

Most stemmed from Google exercising too much power with this move. Developers and designers who are skilled in building with performance in mind would likely be in higher demand. As a developer/designer, do you find that this is a good punishment for those who don’t follow best practices? Wrapping up and looking forward.

Google 86

Google Website Best Practices Internet 86

ScaleOut Software

AUGUST 20, 2020

This allows application code to introspect on the dynamic behavior of each data source, maintain synthetic metrics which aid the analysis, and create alerts when conditions require. Real-time digital twins are designed to be easy to develop and modify. Debugging with a Mock Environment.

Cloud 52

Cloud Development Analytics Azure 52

ScaleOut Software

AUGUST 20, 2020

This allows application code to introspect on the dynamic behavior of each data source, maintain synthetic metrics which aid the analysis, and create alerts when conditions require. Real-time digital twins are designed to be easy to develop and modify. Debugging with a Mock Environment.

Cloud 52

Cloud Development Analytics Azure 52

MachMetrics

JANUARY 4, 2019

The PageSpeed Module is one of several free Google tools designed to help assess and improve page load speed times. Basically, Google offers a foundational code package called a module that you can then remake to suit your needs. This PageSpeed service offers two types of package for web servers: Apache module and Nginx module.

Speed 60

Speed Website Open Source Google 60

Smashing Magazine

JULY 22, 2021

In my records for the entire day, I put one color code for my work hours and will have a separate diagram specifically to break up my work hours. You can see that in the workday I’ve marked the dark blue as ‘getting tasks done’, which represented product design for my case. Exercise/outdoors. Design and development.

Games 126

Games Availability Software Software 126

HammerDB

APRIL 19, 2023

Instead, focus on understanding what the workloads exercise to help us determine how to best use them to aid our performance assessment. sysbench is a widely used open-source benchmarking tool that is designed to evaluate the performance of CPU, memory, disk I/O, and database systems.

Performance 54

Performance Benchmarking Cache Storage 54

Dynatrace

JUNE 1, 2021

Causes can run the gamut — from coding errors to database slowdowns to hosting or network performance issues. Millions of lines of code comprise these apps, and they include hundreds of interconnected digital services and open-source solutions , and run in containerized environments hosted across multiple cloud services.

Monitoring 148

Monitoring Mobile Social Media Artificial Intelligence 148

Sutter's Mill

JANUARY 11, 2021

Assertions have been a foundational tool for writing understandable computer code since we could write computer code… far older than C’s assert() macro, they go back to at least John von Neumann and Herman Goldstine (1947) and Alan Turing (1949). Run-time errors should be reported using exceptions, error codes, or similar.

C++ 58

C++ Programming Code Testing 58

Adrian Cockcroft

NOVEMBER 11, 2019

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. STPA is based on a functional control diagram of the system, and the safety constraints and requirements for each component in the design.

Latency 52

Latency Engineering Systems Hardware 52

The Netflix TechBlog

FEBRUARY 10, 2021

Stranger Things imagery showcasing the inspiration for the Hawkins Design System by Hawkins team member Joshua Godi ; with art contributions by Wiki Chaves Hawkins may be the name of a fictional town in Indiana, most widely known as the backdrop for one of Netflix’s most popular TV series “Stranger Things,” but the name is so much more.

Design 230

Design Systems Engineering Entertainment 230

The Morning Paper

JANUARY 23, 2020

The process tracing exercise included: Examning IRC transcripts from multiple channels. Gathering timestapms of changes made to application code during the outage. A coded timelime was created dividing activities into three main types: Coordination activities. Capturing logs af any alerts that triggered during the outage.

Internet 53

Internet Internet Cache Engineering 53

Particular Software

DECEMBER 9, 2019

Decommissioning Public102 was an exercise in the mundane, gradually transitioning tiny service after tiny service to new homes over the course of weeks, as the development schedule allowed. From Udi Dahan's Advanced Distributed Systems Design Course , Day 1 Embrace change The only constant in the universe is change.

Wireless 52

Wireless DevOps Infrastructure Network 52

Adrian Cockcroft

NOVEMBER 11, 2019

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. STPA is based on a functional control diagram of the system, and the safety constraints and requirements for each component in the design.

Latency 53

Latency Engineering Systems Hardware 53

Smashing Magazine

AUGUST 5, 2021

Frustrating Design Patterns: Disabled Buttons. Frustrating Design Patterns: Disabled Buttons. After all, as designers and developers, we want to make it more difficult for our users to make mistakes. Part Of: Design Patterns. And because something is happening, they usually exercise a good amount of patience first.

Design 145

Design Transportation Code Systems 145

The Morning Paper

DECEMBER 8, 2019

Byte-addressable non-volatile memory,) NVM will fundamentally change the way hardware interacts, the way operating systems are designed, and the way applications operate on data. The Twizzler KVS (key-value store) is just 250 lines of C code, and uses one persistent object for the index structure, and a second one for the data.

Hardware 56

Hardware Programming Media Storage 56

The Agile Manager

AUGUST 31, 2020

In some cases, if only a very few, these assets continue to be used because they still work very well, were thoughtfully designed, and have been well cared for over the years. The exercise of assessing, modeling and dispositioning the landscape does offer valuable new ways of looking at legacy assets.

Architecture 52

Architecture Code Strategy Programming 52

Alex Russell

AUGUST 30, 2021

Anyone who cares to download and fork the code can do so. " The eventual Blink fork was precipitated by an insurmountable difficulty in doing precisely what Apple suggested to Congress: contributing code upstream to WebKit to enable new features. It's worth assessing these claims from most easily falsified to most contested.

Engineering 98

Engineering Open Source Website Operating System 98

The Morning Paper

APRIL 16, 2019

We would like students to consider the performance characteristics of their systems, and our tests check that their designs attain reasonable run-time performance. Consider the lab exercise to implement Paxos. The hardest part of the class for many students is learning to think about their code as inherently distributed.

Systems 43

Systems Efficiency Testing Strategy 43

Sutter's Mill

FEBRUARY 17, 2020

Thank you to the following for their feedback on drafts of this material: Howard Hinnant (lead designer and author of move semantics), Jens Maurer, Arthur O’Dwyer, Geoffrey Romer, Bjarne Stroustrup, Andrew Sutton, Ville Voutilainen, Jonathan Wakely. Yes, in my view it does make it a buggy class that shouldn’t pass code review.

C++ 98

C++ Testing Design Strategy 98

John McCalpin

AUGUST 1, 2018

Bandwidth, performance analysis has two recurring themes: How fast should this code (or “simple” variations on this code) run on this hardware? Interacting components in the execution of an MPI job — a brief outline (from memory): The user source code, which contains an ordered set of calls to MPI routines.

Hardware 40

Hardware Transportation Performance Latency 40

CSS - Tricks

APRIL 1, 2021

With all of this in mind, I thought improving the speed of my own version of a slow site would be a fun exercise. The code for the site is available on GitHub for reference. I found a lot of value in the Coverage panel in DevTools because it will show just how much code is being used after everything’s downloaded.

Cache 92

Cache Social Media Media Website 92

Rigor

NOVEMBER 22, 2019

According to Tim Kadlec : A performance budget is a clearly defined limit on one or more performance metrics that the team agrees not to exceed and that is used to guide design and development. They create a good starting point to talk about a full website or individual page or section from a performance and design perspective.

Performance 45

Performance Metrics Website Speed 45