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Python unittest: Building Reliable Code with Unit Testing

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Python unittest: Building Reliable Code with Unit Testing Unit testing is a fundamental practice in modern software development. It involves testing individual units of code—such as functions or methods—to ensure they behave as expected. By validating small, isolated pieces of functionality, developers can detect bugs early, improve code quality, and make future changes with greater confidence. In Python, one of the most widely used tools for this purpose is the built-in Python unittest framework. Do the Python Course . The Python unittest module is part of Python’s standard library, which means it requires no additional installation and works seamlessly across environments. It is inspired by well-established testing frameworks and provides a clear structure for writing and running tests. Developers create test cases by subclassing Python unittest.TestCase and defining methods that check expected outcomes using a rich set of assertion methods. Do the Python Course . One reason ...

Test Driven Development: Writing Better Code with Confidence

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Test Driven Development: Writing Better Code with Confidence Test Driven Development (TDD) is a software development approach that places testing at the very heart of the coding process. Instead of writing code first and testing later, developers begin by writing a test that defines a small piece of desired functionality. Only then do they write the minimum amount of code needed to make that test pass. This cycle—often described as red, green, refactor —helps ensure code is correct, clean, and well designed from the start. Do the Python Course One of the key benefits of TDD is improved code quality . Because developers think about how their code will be used before implementing it, the resulting design is often simpler and more modular. Each component has a clear responsibility, which makes the codebase easier to understand, maintain, and extend over time. Bugs are also detected much earlier, reducing the cost and effort of fixing them later in the development cycle. Do the Pyt...

What Is SQLite?

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  What Is SQLite?      SQLite is a C-language library that provides a compact, fast, self-contained, and reliable SQL database engine.    SQLite is the most widely used database engine in the world.    Integrated into: Almost all mobile phone operating systems The majority of computer operating systems Thousands of everyday applications    The SQLite file format is: Stable Cross-platform compatible Backward compatible (promised through 2050)    Common uses of SQLite files include: Sharing rich content between systems Long-term data archiving    Over 1 trillion SQLite databases are actively in use.    The SQLite source code is public domain , meaning: Free for anyone to use No licensing or usage restrictions    Learn SQLite with us at PCWorkshops!      

Key Difference Between C# and C++

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Key Difference Between C# and C++ C++ C++ is a low level programming language that adds object-oriented features to its base language C whereas  C#  is a high level language. C++ compiles down to machine code whereas  C#  ‘compiles’ down to CLR (Common Language Runtime), which is interpreted by JIT in ASP.NET. C++ is an object-oriented language while C# is considered a component-oriented programming language. In C++ you need to manage memory manually whereas  C#  runs in a virtual machine, which performs memory management automatically. In C++ development should follow any specific architecture and must be portable whereas  C#  development should be simple, modem, general-purpose, object-oriented programming language.    C# C#  is a high level language and  C#  development should be simple, modem, general-purpose, and object-oriented. C#  is considered a c...

10 Data Centres in London

Data Centres in London Here are ten data centers located in London: Epsilon Global Hammersmith: Located in West London, offering colocation and connectivity services. Equinix LD10 (Telehouse West): Situated in the Docklands, providing extensive interconnection opportunities. Digital Realty Meridian Gate: A data center in Enfield, North London, offering colocation services. TelecityGroup (now part of Equinix) Meridian Gate: Another facility in Enfield, providing colocation and connectivity solutions. Cyxtera London (formerly CenturyLink): Located in the Docklands area, offering colocation and managed services. Netwise London Central: A data center in Bermondsey, South East London, specializing in colocation and connectivity. Virtus LONDON1 (Enfield): Located in Enfield, providing carrier-neutral colocation and cloud services. London Internet Exchange (LINX) DataCentres: LINX operates ...

All about subdomains

All about Subdomains In our Java Bootcanp, creating web applications is part of the course What is a sub domain in GoDaddy : In GoDaddy , a subdomain is a domain that is part of a larger domain name. It is used to organize and navigate to different sections of your website. For example, if your main domain is example.com , a subdomain could be blog.example.com or shop.example.com . Each subdomain can have its own unique content and can be used to create separate web pages or sections within your website. Creating a subdomain in  GoDaddy  is typically straightforward. Here’s a general guide on how you can create a subdomain through  GoDaddy  interface: Log in to Your Account : Go to the  GoDaddy  website and log in to your account using your credentials. Access Your DNS Management : Once logged in, find and click on the "DNS" or "DNS Management" option. This will take you to the domain management area. Add a Subdomain : Look for an option like "Add Subdoma...

Functional and Non-Functional requirements in software testing

  Functional and Non-Functional requirements in software testing Functional Requirements are specific user demands defining basic system facilities. Non-functional Requirements, also known as non-behavioural requirements, ensure quality and adhere to project contracts. They encompass aspects such as Portability, Security, Maintainability, Reliability, Scalability, Performance, Reusability, and Flexibility. Load testing assesses system performance under real-world stress, identifying bottlenecks and user/transaction limits. Beta Testing involves real users testing in a live environment, part of User Acceptance Testing. Accessibility Testing checks if the system behaviour aligns with specified requirements. Installation Testing reviews installation procedures, including updates, uninstallation, and reinstallation. Non-functional Testing confirms system behaviour aligns with requirements. Stress Testing analyses system behaviour post-failure, ensuring recovery,...

Java Junit for unit testing

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  Java Junit for unit testing Unit testing is a software testing method where individual units or components of a software application are tested in isolation to ensure they work as intended. In Java, JUnit is a widely used framework for unit testing. Here's a brief overview of unit testing with Java and JUnit: Annotations: JUnit uses annotations to identify methods that specify a test. Common annotations include @Test to denote a test method.   Assertions: JUnit provides various assertion methods to check expected results. Common assertions include assertEquals , assertTrue , assertFalse , etc.   Test Suites: Test suites allow you to group related tests. JUnit provides @RunWith and @Suite annotations to create test suites.     Setup and Teardown: JUnit provides @Before and @After annotations to mark methods that should be run before and after eac...