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

Speed Curve

DECEMBER 13, 2023

Background For this performance audit, I looked at this synthetic test for the LEGO.com home page. (We You can drill down into the test details for each site and learn how the fastest sites stay fast.) Looking at the synthetic test results, we see that while Start Render time is an impressive 0.3 Use code splitting judiciously.

Performance 67

Performance Retail Benchmarking Ecommerce 67

The Agile Manager

MARCH 31, 2024

As a learning exercise, it is fantastic. Those tests have limited information value: they either work or they do not work. Without a lot of post-test study, we don’t necessarily know why. This is not to say these coarse tests are without information value. Indirect tax?

FinTech 40

FinTech Education Testing Website 40

Particular Software

MARCH 28, 2022

You can create a class that is a lousy saga but is still perfectly valid C# code. With Roslyn analyzers and code fixes , we can now do a lot better and help guide you toward the pit of success. This will save you time, as you won’t have to run your code to find out that you can’t use DateTime as a correlation property type.

Development 52

Development C++ Virtualization Metrics 52

The Agile Manager

OCTOBER 31, 2020

It had licensed a workflow technology and contracted a large number of people to code and configure a custom solution around it. This was no small task given the mismatch between a fine granularity of rules on the one hand and a coarse granularity of test cases on the other. In just about every circumstance, it was false results.

Programming 59

Programming Testing Code Technology 59

O'Reilly

JUNE 13, 2023

It also generated a short program that implemented the widely used Miller-Rabin primality test. 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.

Google 83

Google Programming Database Testing 83

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 104

Engineering Innovation Systems Architecture 104

The Morning Paper

MARCH 15, 2020

See also: ‘ Simple testing can prevent most production failures ‘ and ‘[What bugs cause cloud production incidents?][]’ 48% of partial failures result in some part of the system being unable to make progress (‘stuck’). All in, OmegaGen is about 8Kloc of Java code, making use of the Soot analysis framework.

Systems 98

Systems Software Software Programming 98

Testsigma

MARCH 6, 2020

Regression testing comprises re-running the test cases of already stable features and finding out if the new code changes attributed to the new release led to any negative impacts on the existing functionalities. When is Regression Testing done? Read here to know how to implement different types of regression testing.

Best Practices 52

Best Practices Testing Code Testing Tools 52

Sutter's Mill

JANUARY 25, 2021

We want a way to enable checking for some assertions but not others in the same code, because we may not always be able to afford expensive checks. That’s true whether we’re enabling checking at test time (e.g., Some conditions are so expensive that we may never check them without a good reason, even in testing. in production).

C++ 45

C++ Programming Cache Testing 45

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). 1,2] How well do we understand them… exactly? GUIDELINE: Assert liberally. [3]

C++ 58

C++ Programming Code Testing 58

ScaleOut Software

AUGUST 20, 2020

Development is fast and straightforward using standard object-oriented techniques, and the test/debug cycle is kept short by making use of a mock environment running on the developer’s workstation. This exercises the model’s code and surfaces issues and exceptions, which can be readily examined and resolved in a controlled environment.

Cloud 52

Cloud Development Analytics Azure 52

ScaleOut Software

AUGUST 20, 2020

Development is fast and straightforward using standard object-oriented techniques, and the test/debug cycle is kept short by making use of a mock environment running on the developer’s workstation. This exercises the model’s code and surfaces issues and exceptions, which can be readily examined and resolved in a controlled environment.

Cloud 52

Cloud Development Analytics Azure 52

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. Therefore, before we attempt to measure our database performance, we should know the system or cloud instance to be tested in detail. We will not concern ourselves with the raw throughput of workload.

Performance 54

Performance Benchmarking Cache Storage 54

Testlodge

AUGUST 9, 2023

Basis path testing in software testing is a white box method where the tester examines the codebase to identify all possible paths that could be taken by the user to achieve their aims. These paths are then written as test cases to ensure all the different identified scenarios in the main branches are covered.

Testing 75

Testing Software Software C++ 75

SQL Performance

JANUARY 12, 2022

Despite the poor performance, working on the solution is an interesting exercise. Use the following code to create the table and populate it with a small set of sample data: DROP TABLE IF EXISTS dbo. ( ID INT NOT NULL IDENTITY ( 1 , 1 ) CONSTRAINT pk_Auctions PRIMARY KEY CLUSTERED , Code CHAR ( 1 ) NOT NULL.

Code 116

Code Servers Performance Azure 116

O'Reilly

JUNE 27, 2023

When a person clicked “submit,” the website would pass that form data through some backend code to process it—thereby sending an e-mail, creating an order, or storing a record in a database. That code was too trusting, though. Red-team exercises can uncover weaknesses in the system while it’s still under development.

Social Media 89

Social Media Media Website Database 89

The Agile Manager

AUGUST 31, 2021

Every member creates the most comprehensive understanding they can of each story, which they express both through artifact (story narrative or code for example) and collaboration with other team members (story walkthroughs and desk checks). Good managers know how to work the problem and solution space.

Metrics 52

Metrics Design Engineering C++ 52

Sutter's Mill

JUNE 3, 2021

Briefly, what is the difference among: (a) undefined behavior Undefined behavior is what happens when your program tries to do something whose meaning is not defined at all in the C++ standard language or library (illegal code and/or data). You’ll get some valid result, but you won’t know what the result is until your code looks at it.

C++ 54

C++ Programming Lambda Code 54

The Morning Paper

SEPTEMBER 24, 2019

There are four main parts to the story here: The testing environment that runs apps in a ‘honeypot’ and figures out which of those apps are leaking data they don’t have permission to obtain. The test mobile phones run an instrumented version of Android Marshmallow, on top of a custom Linux kernel which records all file I/O.

Systems 74

Systems Traffic Network Google 74

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. An IP address in a config file is still hardcoded; it's just hardcoded in XML instead of code. Ultimately, this comes down to testing.

Wireless 52

Wireless DevOps Infrastructure Network 52

MachMetrics

JANUARY 4, 2019

Basically, Google offers a foundational code package called a module that you can then remake to suit your needs. The Apache module packages are pre-built binary while the Nginx configuration module consists solely of source code that you can then build upon. All of the optimization and configuration happens on the backend.

Speed 60

Speed Website Open Source Google 60

Sutter's Mill

FEBRUARY 17, 2020

Otherwise, you’ll either get the implicitly generated move functions, or else requests to move will automatically just do a copy instead, since copy is always a valid implementation of move (it just doesn’t exercise the non- const option). Yes, in my view it does make it a buggy class that shouldn’t pass code review.

C++ 98

C++ Testing Design Strategy 98

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. Exercise/outdoors. In the image above, I have outlined three sample days which may or may not be from my own days. Large preview ). Completing actual work. Creating presentations. With Teams.

Games 126

Games Availability Software Software 126

The Agile Manager

AUGUST 31, 2020

Decades of poor architecture guidelines and lax developer discipline resulted in the commercial-off-the-shelf components of an ERP becoming inseparable from the custom code built around it. 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

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 179

Latency Website Traffic Virtualization 179

SQL Performance

JANUARY 11, 2021

@name = N'TheThingGuide' , @stmt = N'SELECT * FROM dbo.TheThings WHERE TypeID = @P0' , @type = N'SQL' , @params = N'@P0 varchar(8000)' , @hints = N'OPTION (RECOMPILE)' ; Seems straightforward; testing it is the problem. I've used sp_prepare less in my career than plan guides, and I wouldn't recommend using it for application code. (As

Cache 59

Cache Tuning Database Performance 59

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.

Traffic 173

Traffic Latency Website Virtualization 173

SQL Server According to Bob

JUNE 27, 2016

Before joining Microsoft in 1994 I worked at State Farm Insurance and spent several years in a testing group and later joined a team developing applications against SQL Server for OS/2. We developed a friendly competition to break one another’s code. Then I cranked up the tests to high stress levels and they passed.

Servers 40

Servers Games Azure Software Engineering 40

SQL Performance

JUNE 10, 2020

That is, does SQL Server perform a substitution process whereby it converts the original nested code into one query that goes directly against the base tables? The answer is simple, to shorten the code by having the inner query use the infamous SELECT *. And if so, is there a way to instruct SQL Server to avoid this unnesting process?

C++ 109

C++ Database Servers Code 109

The Agile Manager

SEPTEMBER 30, 2012

It's easy to assume that we're hiring competent developers who write high quality code, and most buyers don't know what to look for or how to look for technical quality. We can invest in people to become mobile solution developers who can write client and server code. Stronger hand-offs will slow down coding.

Mobile 49

Mobile Code Java Software 49

SQL Performance

JUNE 10, 2020

That is, does SQL Server perform a substitution process whereby it converts the original nested code into one query that goes directly against the base tables? The answer is simple, to shorten the code by having the inner query use the infamous SELECT *. And if so, is there a way to instruct SQL Server to avoid this unnesting process?

C++ 93

C++ Database Servers Code 93

Sutter's Mill

MARCH 25, 2021

Some of these are exercised by the “wrong order” permutations above, but even call sites that remember the right argument order can make mistakes about the actual values. We limit the code that is responsible for maintaining the boolean condition. is_reachable? Explain your answer. The benefits to writing a type include: Encapsulation.

C++ 45

C++ Design Code Systems 45

SQL Server According to Bob

FEBRUARY 10, 2019

512 byte response (use database context xxxxxx, default language xxxxxxx, test size xxxxx). The following is a simple query for looking at the rate of login and logouts the test is accomplishing. The following is a simple query for looking at the rate of login and logouts the test is accomplishing. TDS pre-login exchange.

Servers 40

Servers Network Database Systems 40

Dynatrace

SEPTEMBER 20, 2019

The new version of the application is deployed in the green environment and tested for functionality and performance. Once the testing results are successful, application traffic is routed from blue to green. Let’s assume your team has just pushed new code and it passed pre-deployment testing. Dynatrace Davis in action.

Systems 26

Systems Traffic DevOps Database 26

The Agile Manager

DECEMBER 17, 2008

Traditional IT projects are mass economy-of-scale exercises: once development begins, armies of developers are unleashed. Traditionally in IT, our gatekeepers are typically several different waves of requirements and specification documents, then software, then test results, then a production event.

Latency 40

Latency Code Metrics Testing 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 232

Open Source AWS Infrastructure Energy 232