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 82

Google Programming Database Testing 82

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). Assertions are only about finding bugs, not doing program work.

C++ 58

C++ Programming Code Testing 58

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

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). Violating the assertion does not result in undefined behavior directly.

C++ 54

C++ Programming Lambda Code 54

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. Here is an example of the function definition to test the function-level settings.

Database 99

Database Servers Open Source Tuning 99

Sutter's Mill

MAY 1, 2023

Examples like the following now work… see test file pure2-break-continue.cpp2 for more examples. Examples like the following now work… see test file pure2-break-continue.cpp2 for more examples. For example, see the test case pure2-types-order-independence-and-nesting.cpp2. this defaults to the current type.

C++ 97

C++ Virtualization Lambda Code 97

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

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

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

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

O'Reilly Software

MARCH 7, 2018

Software today is not typically a single program—something that is executed by an operator or user, producing a result to that person—but rather a service : something that runs for the benefit of its consumers, a provider of value. The most common programming task in the world. Let’s dive into this concept for a bit.

Transportation 72

Transportation Java Programming Architecture 72

The Morning Paper

APRIL 16, 2019

Testing and grading their solutions is another! Although we added tests to catch specific issues as we learned of them, we found it difficult to keep up with the diversity of possible student errors. Testing and model checking. It’s hard to exhaustively test a distributed system with traditional testing techniques.

Systems 43

Systems Efficiency Testing Strategy 43

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

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

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

John McCalpin

JANUARY 22, 2018

Introduction: In December 2017, my colleague Damon McDougall (now at AMD) asked for help in porting the fused multiply-add example code from a Colfax report ( [link] ) to the Xeon Phi x200 (Knights Landing) processors here at TACC. Instead, we found puzzle after puzzle. Instead, we found puzzle after puzzle.

Latency 40

Latency Hardware Code Testing 40

The Agile Manager

NOVEMBER 26, 2008

Program Management Offices (PMOs) are at the nexus of this. Those individually-performed tasks need to be integrated and then tested from end-to-end. End-to-end testing - the best indicator of success - can't take place until integration is complete. Code has been written, but it may not be functional, let alone useful.

Code 40

Code Servers Engineering Programming 40