The Netflix TechBlog

DECEMBER 3, 2019

A key observation was that most of our data scientists had nothing against writing Python code. Data scientists want to retain their freedom to use arbitrary, idiomatic Python code to express their business logic?—?like The steps can be arbitrary Python code. like they would do in a Jupyter notebook.

Open Source 243

Open Source AWS Infrastructure Energy 243

The Netflix TechBlog

FEBRUARY 1, 2022

You study and practice coding interview problems for hours/days/weeks/months, only to be asked to merge two sorted lists. For many roles, you will be given a choice between a take-home coding exercise or a one-hour discussion with one of the engineers from the team. These questions reflect actual challenges that our teams face.

Engineering 221

Engineering Games Entertainment Innovation 221

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 254

Latency Cache Java Traffic 254

Dynatrace

JUNE 1, 2023

More than half of CIOs confirmed that they often make tradeoffs among code quality, security, and reliability to meet the need for rapid software delivery. Fitness app : The fitness app should offer a response time of less than 500 milliseconds for exercise tracking and data recording.

Latency 245

Latency Website Traffic Virtualization 245

Smashing Magazine

SEPTEMBER 2, 2021

Over the last little while, I’ve been able to collect links to several interactive coding tools and apps that can help you supplement your skills in different areas of web development. This is a straightforward flexbox playground that also generates the code for you. “code golf”). TypeScript Exercises.

Development 145

Development Games Education Programming 145

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 278

Government DevOps Infrastructure Network 278

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 245

Strategy Performance Logistics Monitoring 245

DZone

SEPTEMBER 11, 2019

This time we’ll take a look at how to write better tests in the form of harness programs (also known as fuzz drivers, programs are written to exercise specific parts of the code) that we will use for fuzz testing. If we want to improve our confidence, we can add steps to exercise more of the code.

Programming 113

Programming Testing Code Performance 113

Dynatrace

APRIL 21, 2022

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. With the automated analysis of your code hotspots within Dynatrace, you can quickly identify bottlenecks and help you right-size your cloud resources.

Azure 246

Azure Virtualization Monitoring Metrics 246

The Agile Manager

FEBRUARY 28, 2025

If tests are coded before their corresponding methods are coded, there is a good chance that the tests validate the expectation of the code and the code is constructed in such a way that the fulfillment of expectation is visible and quantifiable. Thats a pretty big gap in test fidelity.

Software 40

Software Software Code Testing 40

The Netflix TechBlog

DECEMBER 23, 2020

In the kernel, you’ll often see capability checks spread throughout the code, which looks something like this: [link] Notice this function doesn’t check if the user is root, but if the task has the CAP_SYS_ADMIN capability before allowing it to execute. Let’s go back to that kernel code example earlier. User Namespaces.

Media 307

Media Metrics Processing Systems 307

Dynatrace

SEPTEMBER 20, 2019

Let’s assume your team has just pushed new code and it passed pre-deployment testing. But wait, there is more: Davis doesn’t just tell what exactly happened; it also understands how everything is connected—the relationships and interdependencies between each layer, component, and bit of code in your application environment.

Systems 38

Systems Traffic DevOps Database 38

The Agile Manager

MARCH 31, 2025

Tech services firms are instead applying AI to their own offerings to do things like accelerate the reverse-engineering of existing code and expedite forward engineering of new solutions. That statement doesnt apply just to code. Those firms are developing proprietary products to do this (e.g.,

Technology 40

Technology Technology Design Engineering 40

The Netflix TechBlog

DECEMBER 3, 2019

A key observation was that most of our data scientists had nothing against writing Python code. Data scientists want to retain their freedom to use arbitrary, idiomatic Python code to express their business logic?—?like The steps can be arbitrary Python code. like they would do in a Jupyter notebook.

Open Source 137

Open Source AWS Infrastructure Energy 137

Dynatrace

JUNE 1, 2023

More than half of CIOs confirmed that they often make tradeoffs among code quality, security, and reliability to meet the need for rapid software delivery. Fitness app : The fitness app should offer a response time of less than 500 milliseconds for exercise tracking and data recording.

Website 173

Website Traffic Latency Virtualization 173

Dynatrace

APRIL 5, 2024

In other words, where the application code resides. However, it’s essential to exercise caution: Limit the quantity of SLOs while ensuring they are well-defined and aligned with business and functional objectives. That said, the guiding thread, predominantly under the client’s control, remains the backend perspective.

Efficiency 264

Efficiency Traffic Tuning Metrics 264

Strategic Tech

JUNE 21, 2020

When we were designing the workshop, I said to Gien that I like the idea of a puzzle, and it would be great to have it large and always visible, but how can we do that when there are a number of exercises? In this exercise, teams break up the large domain into sub-domains. The ability to design exercises in Miro is out of this world.

Design 98

Design Logistics Transportation Architecture 98

The Netflix TechBlog

SEPTEMBER 10, 2024

Where aws ends and the internet begins is an exercise left to the reader. As the scale of the messages being processed increased and we were making more code changes in the message processor, we found ourselves looking for something more flexible. This initial functionality was built out for FireTVs and was expanded from there.

Latency 247

Latency Cache Tuning Efficiency 247

The Netflix TechBlog

FEBRUARY 10, 2021

We wanted a way to ensure that we can have a consistent user experience while also sharing as much code as possible. Even today, as the Hawkins team, we run through all of the above exercises and more to ensure that the design system is robust and has the level of support the engineering organization can trust.

Design 242

Design Systems Engineering Entertainment 242

Sutter's Mill

MARCH 30, 2025

Were addressing UB methodically, starting with addressing the common high-value cases that will do the most to harden our code: uninitialized variables, out-of-bounds access, pointer misuse, and the key UB cases that adversaries need to implement remote code execution. Spoiler: All constexpr / consteval compile-time code is UB-free.

C++ 70

C++ Programming Code Google 70

O'Reilly

NOVEMBER 26, 2024

Recently, our learning platform has begun to introduce options for interactivity, including interactive quizzes, coding sandboxes and labs where you can try out ideas, and challenge exercises that test new skills. Critical thinking isn’t tied to any specific topic or skill, like microservices, but it can be learned in any context.

Education 115

Education Azure AWS Java 115

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 105

Design Programming Testing Systems 105

O'Reilly

JANUARY 17, 2023

Figuring out what kinds of problems are amenable to automation through code. So it behooves a software developer to spot what portions of human activity can be properly automated away through code, and then build that. Because if companies use code to automate business rules, they use ML/AI to automate decisions.

Tuning 145

Tuning Open Source AWS Software 145

The Netflix TechBlog

MARCH 6, 2019

We parallelize rerun jobs with Titus , Netflix’s container management platform, which allows us to exercise many hundreds of replay files in minutes. Here’s an attempt to represent this logic with some pseudo code: [link] There is a limit on the throughput you can get out of a single HTTP connection to S3.

Media 227

Media Storage Processing Cache 227

Sutter's Mill

JULY 29, 2024

Safety and simplicity are the two core things I want to try to dramatically improve in C++, and are why I’m doing my cppfront experiment, so although the above absorbed some time away from cppfront coding it all contributes to the same goal. (If Jul 10, 2024), new things include: Added. Allow trailing commas in lists.

C++ 116

C++ Lambda Code Open Source 116

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. For the most part, coding can be quite intimidating and disappointing for a beginner or even a well-versed developer. Physical Exercise. A Simple But Effective Mental Health Routine For Programmers. Dave Oscar.

Programming 120

Programming Energy Code Processing 120

O'Reilly

OCTOBER 24, 2023

We already see hints of that on GitHub: in February 2023, GitHub said that 46% of all the code checked in was written by Copilot. At some point in the near future, new models will be trained on code that they have written. I expected it to stay close to 1, and the experiment would serve no purpose other than exercising my laptop’s fan.

Programming 126

Programming Code Processing Engineering 126

O'Reilly

MARCH 11, 2025

On May 8, OReilly Media will be hosting Coding with AI: The End of Software Development as We Know It a live virtual tech conference spotlighting how AI is already supercharging developers, boosting productivity, and providing real value to their organizations. Much of the code ChatGPT was trained on implemented those dark patterns.

Artificial Intelligence 52

Artificial Intelligence Hardware Website Media 52

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. It’s as if they’re saying, “Have you documented your system? Have you chosen a cloud provider? Do you have all the services in place?

Cloud 126

Cloud Systems Azure Airlines 126

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

O'Reilly

OCTOBER 19, 2021

If you peek under the hood of an ML-powered application, these days you will often find a repository of Python code. Let’s start by considering the job of a non-ML software engineer: writing traditional software deals with well-defined, narrowly-scoped inputs, which the engineer can exhaustively and cleanly model in the code.

DevOps 145

DevOps Software Engineering Open Source Infrastructure 145

O'Reilly

JUNE 15, 2023

Governance is not a “once and done” exercise. In his book Voices in the Code , James G. .” Profit should be an instrumental goal, not a goal in and of itself. And as to our actual goals, Satya put it well in our conversation: “the moral philosophy that guides us is everything.”

Government 133

Government Best Practices Energy Internet 133

The Netflix TechBlog

MAY 27, 2020

From failure injection testing to regularly exercising our region evacuation abilities, Netflix engineers invest a lot in ensuring the services that comprise Netflix are robust and reliable. Reliability, formally speaking, is the ability of a system to function under stated conditions for a period of time.

Engineering 107

Engineering Innovation Systems Architecture 107

Percona

OCTOBER 31, 2023

These articles will also help you understand how to opt out from the telemetry, how it is being sent to Percona, and how you can exercise your data owners’ rights. Check our code You can check the telemetry module’s code in our GitHub repository: [link] Do you have feedback?

Open Source 112

Open Source Database Operating System Programming 112

O'Reilly

JUNE 13, 2023

After fixing some obvious errors, I ran the program–and while it told me (correctly) that my number was non-prime, when compared to a known good implementation of Miller-Rabin, ChatGPT’s code made many mistakes. It didn’t generate any code, but provided a link to the Wolfram Alpha result page that described how to test for primality.

Google 128

Google Programming Database Testing 128

SQL Performance

APRIL 14, 2021

Use the following code to test the function with the variable assignment technique: DECLARE @n AS BIGINT ; SELECT @n = n FROM dbo. Here’s the code that creates the table and populates it using an INSERT statement with 102,400 rows to get it to be compressed: DROP TABLE IF EXISTS dbo. NullBits102400 ; GO. CREATE TABLE dbo. low - 2 + N.

C++ 112

C++ Servers Testing Code 112

All Things Distributed

SEPTEMBER 26, 2014

In October there will be an abundance of sessions, events, and coding activities focused on game and mobile app development. Limited to twenty participants, these full-day bootcamps include hands-on lab exercises using a live environment with the AWS console. What’s Happening at the AWS Loft. AWS Technical Bootcamps.

AWS 90

AWS Games Education Innovation 90