Knowledge Hut

APRIL 24, 2024

In each domain, testing is considered one of the important stages to ensure project quality and management. For example, a software tester tests the code through multiple tools to find the bugs and refine the software. Popularly known as pen tests, it is a testing technique that helps identify and eliminate potential cyber-attacks.

Accessible 52

Accessible Accessibility Cloud Systems 52

KDnuggets

JANUARY 8, 2024

A/B testing is a method of comparing two versions of a web page, app, or other product to see which one performs better. This article covers the basics of A/B testing, how to design and run an effective experiment, and how to analyze and interpret the results.

Designing 84

Designing Data Science Data 84

Start Data Engineering

OCTOBER 12, 2021

Introduction Testing your data pipeline 1. End-to-end system testing 2. Data quality testing 3. Unit and contract testing Conclusion Further reading Introduction Testing data pipelines are different from testing other applications, like a website backend. Monitoring and alerting 4.

Data Pipeline 173

Data Pipeline Data Systems 173

databricks

MARCH 6, 2024

The DataFrame equality test functions were introduced in Apache Spark™ 3.5 to simplify PySpark unit testing. and Databricks Runtime 14.2 The full set o.

Data Engineering 78

Data Engineering Data Engineer Engineering Data 78

Scott Logic

APRIL 2, 2024

You’ve even passed PEN testing! There’s just one last hurdle you’ve got to overcome: accessibility testing. Colour contrast isn’t enough” “Can’t submit form with keyboard” “Alerts not read out with screen reader” And they’ve only tested half the pages! It should be fine, right? Surely there’s a better way? How do we do it?

Accessible 52

Accessible Accessibility IT Coding 52

Waitingforcode

FEBRUARY 3, 2023

After all, it's "just" about using a Unit Test framework and defining the test cases. And it shouldn't be, right? Well, that's "just" a theory!

Systems 130

Systems Data IT 130

Knowledge Hut

MARCH 12, 2024

One of the most recent and widely followed trends in Q&A is automation testing - an automated version of manual software testing and evaluation. It’s automation test engineers like me. Automation test engineers design and create programs that conduct automated tests on new or existing software.

Engineering 52

Engineering Computer Science Software Engineer Software Engineering 52

Towards Data Science

MARCH 9, 2024

A gentle introduction to unit testing, mocking and patching for beginners Continue reading on Towards Data Science »

Data Pipeline 75

Data Pipeline Python Data Science Data 75

Scott Logic

NOVEMBER 15, 2023

Until now, you’ve probably expected all your tests to pass, but what happens when you test systems with inherent inbuilt randomness? AI is nondeterministic, which doesn’t cleanly fit within our current testing paradigms. What is the t-test? We’ll start with the very basics of testing: what is a hypothesis test?

Systems 52

Systems Architecture IT Data 52

Start Data Engineering

FEBRUARY 22, 2022

Sample project: Data testing with Github Actions 3.1. Automating data tests with Github Actions 4. Introduction Automated testing is crucial for ensuring that your code is bug-free and avoiding regressions. If you are wondering How can data tests be integrated into a CI (Continuous Integration) pipeline? Conclusion 5.

Data 130

Data Coding Project Systems 130

Scott Logic

SEPTEMBER 12, 2023

How to customize Jest snapshot testing to performance test your application Jest is a widely used JavaScript unit testing tool that is well-maintained and popular with developers, due to its ease of use and active community. toEqual ( expected ); expect ( snapshot ). toEqual ( expected ); expect ( snapshot ).

Algorithm 52

Algorithm Coding Utilities Process 52

Knowledge Hut

MARCH 29, 2024

Usability testing evaluates how easily a design can be used by a sample group of users representing the target audience. Usability testing is often conducted at various stages of development, ranging from the early stages of development until the release of a product. What is Usability Testing?

Designing 52

Designing Utilities Recruitment Project 52

KDnuggets

JANUARY 9, 2023

Unit testing is an important part of the software development life cycle as it helps to ensure that code is correct and working as intended. This article aims to introduce the concept of unit testing in Python and provide a basic tutorial on how to write and run unit tests using a unittest module.

Python 108

Python Coding IT 108

Knowledge Hut

JANUARY 2, 2024

Performance testing, commonly referred to as "Perf Testing," is testing carried out to determine how well a software program responds and remains stable under load. What is Performance Testing and its Examples? What are Performance Testing Tools? What are Performance Testing Tools?

Pipeline-centric 52

Pipeline-centric Java Database-centric Utilities 52

Monte Carlo

DECEMBER 19, 2022

Getting started with data quality testing? Data quality testing is the process of validating that key characteristics of a dataset match what is anticipated prior to its consumption. Download our Data Quality Testing 101 eBook So, what is data quality testing anyway? million per year.

High Quality Data 52

High Quality Data Bytes Data SQL 52

Scott Logic

APRIL 14, 2024

Setting the Scene - A Personal Observation After 15 years in the IT industry, I have seen multiple shifts in Software Testing, which has been an interesting and challenging experience. Software Testing Changes I have seen many changes in Software Testing. Many testers would not even engage in automation testing at that time.

IT 52

IT Project Cloud Computing AWS 52

Start Data Engineering

NOVEMBER 11, 2021

Writing an end-to-end data pipeline test 4. This makes testing all of them together difficult. If you are wondering What is the best way to end-to-end test data pipelines? Are end-to-end tests worth the effort? In this post, we go over some techniques that you can use to set up end-to-end tests for your data pipelines.

Data Pipeline 130

Data Pipeline Cloud Data 130

Monte Carlo

DECEMBER 4, 2023

Ah, dbt unit testing. Learn from these six common missteps in dbt unit testing so you can sidestep them in your own data quality journey. Table of Contents Wait, can’t I avoid mistakes by just skipping dbt unit testing? Define the test in your dbt model’s YAML file 2. Run the test 3. Slightly annoying?

Datasets 52

Datasets SQL Data Pipeline Data Engineering 52

Start Data Engineering

JANUARY 16, 2021

Introduction Setup Code Conditional logic to read from mock input Custom macro to test for equality Setup environment specific test Run ELT using dbt Conclusion Further reading Introduction With the recent advancements in data warehouses and tools like dbt most transformations(T of ELT) are being done directly in the data warehouse.

SQL 130

SQL Data Warehouse Coding IT 130

Knowledge Hut

JANUARY 2, 2024

Automation testing is a crucial step in the software development process. Many modern technologies for test automation today make it simpler for businesses to use them to get effective good results. In fact, it quickly displaces manual testing as the most used technique for testing software. What is Automation Testing?

Process 52

Process Transportation Programming Utilities 52

Edureka

DECEMBER 18, 2023

Software testing is a crucial phase in the software development life cycle as it guarantees that the software operates as intended. The distinctions between Manual Testing Vs Automation Testing will be covered in this blog. How does Manual Testing Work? What is Automation Testing? How does Automation Testing Work?

Programming 40

Programming Programming Language Coding Java 40

Knowledge Hut

DECEMBER 29, 2023

Testing is crucial for every business to ensure quality and get desired results. It is an elaborate process in which the engineers perform various tests using multiple tools to weed out the flaws and ensure that the product or the code is fault-free. The cycle of tests continues until the required quality standard meets.

Management 52

Management Coding Engineering Process 52

databricks

FEBRUARY 9, 2024

The Air Force Test Center (AFTC) Data Hackathon is a consortium of test experts across. What is the US Air Force (USAF) Hackathon?

Data 94

Data 94

KDnuggets

JANUARY 31, 2022

Given how uncertain ML projects are, this is an incremental strategy that you can adopt as your project matures; it includes test examples to provide a clear idea of how these tests look in practice, and a complete project implementation is available on GitHub.

Machine Learning 101

Machine Learning Project IT 101

Knowledge Hut

DECEMBER 22, 2023

Therefore, accurate software testing is necessary for debugging and checking all the defective components in the software before introducing it to the market. Another reason for software testing is to reduce the cost of fixing faulty software and implementing the right product from the beginning. What is Software Testing?

Portfolio 52

Portfolio Certification Education Programming 52

Confluent

APRIL 18, 2024

Learn how to use kafka-docker-composer, a simple tool to create a docker-compose.yml file for failover testing, to understand cluster settings like Kraft, and for app development.

Kafka 67

Kafka 67

Netflix Tech

SEPTEMBER 22, 2021

Martin Tingley with Wenjing Zheng , Simon Ejdemyr , Stephanie Lane , and Colin McFarland This is the second post in a multi-part series on how Netflix uses A/B tests to inform decisions and continuously innovate on our products. An A/B test is a simple controlled experiment. Figure 2: A simple A/B test. Let’s say?—?this

Entertainment 98

Entertainment Media Building IT 98

Knowledge Hut

JANUARY 23, 2024

Reflecting on some vital phases of the SDLC in the software testing life cycle, it becomes evident that this structured approach is indispensable for achieving excellence in software development. Individuals who want to get certification can enroll in the Software Testing Certification cours e. Why is the SDLC Important?

Manufacturing 52

Manufacturing Coding Programming Designing 52

KDnuggets

AUGUST 31, 2022

In order to do so, you need to understand the difference between training and testing data in machine learning. When building a predictive model, the quality of the results depends on the data you use.

Machine Learning 142

Machine Learning Data Building 142

Uber Engineering

JUNE 15, 2021

Introduction to Flaky Tests. Unit testing forms the bedrock of any Continuous Integration (CI) system. It also … The post Handling Flaky Unit Tests in Java appeared first on Uber Engineering Blog. It warns software engineers of bugs in newly-implemented code and regressions in existing code, before it is merged.

Java 120

Java Software Engineer Software Engineering Coding 120

DoorDash Engineering

OCTOBER 17, 2023

SRM represents one of the most egregious data quality issues in A/B tests because it fundamentally compromises the basic assumption of random assignment. Statistical approaches for identifying imbalance The most common approach for identifying SRM is to use a chi-square test that can quickly detect when something is wrong.

Education 88

Education Kafka Algorithm Data Warehouse 88