Tag: #fundamentals

Posts tagged with #fundamentals

What is AWS IAM?

A foundational guide to AWS Identity and Access Management (IAM). Learn about the core components of IAM—users, groups, roles, and policies—and how they work together to securely control access to your AWS resources.

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Understanding Python's __main__

A guide to the common Python idiom if __name__ == '__main__':. Learn what this block of code does, why it's important, and how it allows you to write Python files that can be used as both runnable scripts and importable modules.

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A Guide to C# Interfaces

A foundational guide to interfaces in C#. Learn what an interface is, how it differs from a class, and why interfaces are a crucial tool for building flexible, loosely coupled, and testable applications.

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What is an ORM?

What is an ORM?

A conceptual guide to Object-Relational Mapping (ORM). Learn what an ORM is, the problem it solves (the object-relational impedance mismatch), and how it allows you to work with databases using the objects and classes of your favorite programming language.

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What Are C# Attributes?

A guide to attributes in C#, a powerful mechanism for adding declarative metadata to your code. Learn how attributes work and see common examples from data validation to testing frameworks.

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A Guide to NuGet

An introduction to NuGet, the package manager for .NET. Learn what NuGet is, how it helps you manage dependencies, and how to use it to add third-party libraries to your .NET projects.

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What is Infrastructure as Code?

A conceptual guide to Infrastructure as Code (IaC). Learn how IaC allows you to manage and provision your IT infrastructure through code instead of manual processes, and understand its key benefits.

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A Guide to C# string.Format

A guide to the classic string.Format method in C#. Learn how to use this powerful method with indexed placeholders and format specifiers to create complex, formatted strings.

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What is a 'string'?

What is a 'string'?

A foundational guide to the string data type, one of the most basic building blocks in programming. Learn what a string is, how it's used to represent text, and some of the most common operations performed on it.

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Understanding Amazon VPC Fundamentals

A beginner's guide to the core components of an Amazon Virtual Private Cloud (VPC). Learn about subnets, route tables, internet gateways, and security groups to build your own isolated network in the AWS cloud.

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A Guide to Python's format() Method

A guide to the str.format() method for string formatting in Python. Learn how to use this powerful and flexible method with positional and keyword arguments to create dynamically formatted strings.

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What is a 'for' Loop?

What is a 'for' Loop?

A foundational guide to the 'for' loop, one of the most fundamental control flow statements in programming. Learn how to use it to iterate over a sequence of items and execute a block of code repeatedly.

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What is a 'finally' Block?

What is a 'finally' Block?

A foundational guide to the 'finally' block in structured exception handling. Learn how 'finally' guarantees the execution of cleanup code, regardless of whether an exception was thrown or not.

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What is a CDN?

What is a CDN?

A beginner's guide to Content Delivery Networks (CDNs). Learn how a CDN works to deliver web content faster and more reliably to users around the world by caching it in geographically distributed locations.

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What is a Relational Database?

What is a Relational Database?

A foundational guide to relational databases. Learn the core concepts of tables, rows, columns, and keys, and understand how SQL is used to define and manipulate the structured data within them.

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A Guide to Python's __init__.py

An explanation of the purpose of the __init__.py file in Python. Learn how it's used to mark directories as Python packages and how you can use it to control your package's namespace.

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What is a 'for' Loop in C#?

A foundational guide to the 'for' loop in C#, a fundamental control flow statement for executing a block of code a specific number of times. Learn the classic syntax and how it gives you precise control over iteration.

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What is a 'while' Loop in Python?

A foundational guide to the 'while' loop in Python. Learn how to use this control flow statement to execute a block of code repeatedly as long as a certain condition remains true.

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What is a 'struct' in C#?

A foundational guide to the 'struct' keyword in C#. Learn how structs are used to create lightweight value types and understand the key differences between a struct and a class.

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An Introduction to ASP.NET Core

A beginner's guide to ASP.NET Core, Microsoft's modern, open-source, and cross-platform framework for building web applications and services. Learn about its key features and what makes it a great choice for web development.

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What is Abstraction in OOP?

What is Abstraction in OOP?

A conceptual guide to abstraction, one of the four fundamental pillars of object-oriented programming. Learn how abstraction simplifies complex systems by hiding implementation details and exposing only the essential features.

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An Introduction to Amazon API Gateway

A beginner's guide to Amazon API Gateway, the fully managed service for creating, publishing, and securing APIs at any scale. Learn how it acts as the 'front door' for your backend services, especially for serverless applications.

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What is Polymorphism in OOP?

What is Polymorphism in OOP?

A conceptual guide to polymorphism, one of the four fundamental pillars of object-oriented programming. Learn how polymorphism allows objects of different classes to be treated as objects of a common superclass.

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Getting Started with Docker

A beginner's guide to Docker, the world's leading containerization platform. Learn the fundamental concepts of images and containers, and walk through building and running your first containerized application.

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What is a 'set' in Python?

A foundational guide to the set, Python's data structure for storing unordered collections of unique elements. Learn how to create sets and perform common mathematical set operations like union and intersection.

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An Introduction to REST APIs

An Introduction to REST APIs

A beginner's guide to the core principles of REST (Representational State Transfer). Learn what an API is, what makes an API 'RESTful', and understand the key concepts of resources, HTTP verbs, and statelessness.

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What is an 'Array' in C#?

A foundational guide to arrays in C#. Learn how to use this fundamental data structure to store a fixed-size, sequential collection of elements of the same type.

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What is a 'string' in Python?

A foundational guide to the string (str) data type in Python. Learn how strings are used to represent text, their immutable nature, and some of the most common operations you can perform on them.

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An Introduction to .NET Core

A beginner's guide to .NET Core, Microsoft's open-source, cross-platform successor to the .NET Framework. Learn about its key design principles and why it's the future of .NET development.

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A Guide to C# Extension Methods

An introduction to extension methods in C#. Learn how to use this powerful feature to add new methods to existing types without creating a new derived type, recompiling, or otherwise modifying the original type.

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An Introduction to Amazon SQS

A beginner's guide to Amazon SQS (Simple Queue Service), the fully managed message queuing service. Learn how message queues can help you build decoupled, scalable, and resilient distributed systems.

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An Introduction to JSON

An Introduction to JSON

A beginner's guide to JSON (JavaScript Object Notation), the lightweight data-interchange format that has become the standard for web APIs. Learn its basic syntax and data types.

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What is a 'module' in Python?

A foundational guide to modules in Python. Learn how modules are used to organize code into separate files, making your programs more manageable, reusable, and easier to understand.

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A Guide to Basic SQL Commands

A Guide to Basic SQL Commands

A beginner's guide to the fundamental commands of SQL (Structured Query Language). Learn how to use SELECT, INSERT, UPDATE, and DELETE to query and manipulate data in a relational database.

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An Introduction to ASP.NET Core MVC

A beginner's guide to the Model-View-Controller (MVC) pattern in ASP.NET Core. Learn how MVC helps you build well-structured, testable web applications by separating concerns into three distinct roles.

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An Introduction to Cloud Computing with AWS

A beginner's guide to the fundamental concepts of cloud computing. Learn what 'the cloud' is, the different service models (IaaS, PaaS, SaaS), and the key benefits, using Amazon Web Services (AWS) as an example.

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What is .NET Core?

An early look at .NET Core, Microsoft's radical new vision for a modular, cross-platform, and open-source .NET framework. Learn about the core principles behind this groundbreaking new platform.

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