System Design Concepts Course and Interview Prep



This complete system design tutorial covers scalability, reliability, data handling, and high-level architecture with clear explanations, real-world examples, and practical strategies. You will learn the core concepts you need to know for a system designs interview. ✏️ Course developed by @hayk.simonyan ⭐️ Contents ⭐️
⌨️ (00:00) Introduction
⌨️ (00:39) Computer Architecture (Disk Storage, RAM, Cache, CPU)
⌨️ (04:22) Production App Architecture (CI/CD, Load Balancers, Logging & Monitoring)
⌨️ (07:12) Design Requirements (CAP Theorem, Throughput, Latency, SLOs and SLAs)
⌨️ (14:40) Networking (TCP, UDP, DNS, IP Addresses & IP Headers)
⌨️ (19:03) Application Layer Protocols (HTTP, WebSockets, WebRTC, MQTT, etc)
⌨️ (24:01) API Design
⌨️ (29:19) Caching and CDNs
⌨️ (36:33) Proxy Servers (Forward/Reverse Proxies)
⌨️ (42:36) Load Balancers
⌨️ (48:05) Databases (Sharding, Replication, ACID, Vertical & Horizontal Scaling) 🎉 Thanks to our Champion and Sponsor supporters:
👾 davthecoder
👾 jedi-or-sith
👾 南宮千影
👾 Agustín Kussrow
👾 Nattira Maneerat
👾 Heather Wcislo
👾 Serhiy Kalinets
👾 Justin Hual
👾 Otis Morgan 👾 Oscar Rahnama — Learn to code for free and get a developer job: https://www.freecodecamp.org Read hundreds of articles on programming: https://freecodecamp.org/news

The Complete Web Development Roadmap [2024]



Go from zero to a full stack web developer in 12 months. This step-by-step roadmap covers the essential skills and latest technologies to become a web developer in 2024. Download the FREE roadmap PDF here: https://mosh.link/web-roadmap ✋ Stay connected – Complete courses: https://codewithmosh.com
– Twitter: https://twitter.com/moshhamedani
– Facebook: https://www.facebook.com/programmingwithmosh/
– Instagram: https://www.instagram.com/codewithmosh.official/
– LinkedIn: https://www.linkedin.com/school/codewithmosh/ 🔗 Other roadmaps https://youtu.be/7IgVGSaQPaw?si=nBuvDkGY314211WM
https://youtu.be/yye7rSsiV6k?si=NNyTV354jvuKVzpu 📚 Backend Tutorials https://youtu.be/_uQrJ0TkZlc?si=QA5qvbvk60uP-7Gu





https://youtu.be/rHux0gMZ3Eg?si=w1h0R4U8freF5xPT 📚 Frontend Tutorials https://youtu.be/qz0aGYrrlhU?si=8d3Q5kiE83nMJZAG






https://youtu.be/0-S5a0eXPoc?si=1l1qX0YwbQN7BEuo 📖 Chapters 00:00 – Web Development 01:04 – Back-end Development 08:58 – Front-end Development #programming #webdevelopment #coding

Fullstack Drag & Drop Notes App with React



Learn how to create a sticky notes app using JavaScript and Appwrite. Appwrite is an open-source, self-hosted Backend as a Service (BaaS) platform that makes building backends quick and easy. Appwrite provided a grant to make this course possible. ✏️ Course developed by Dennis Ivy. Dennis on Twitter: https://twitter.com/dennisivy11 🔗 Written tutorial guide: https://apwr.dev/guide
🔗 Create an account with Appwrite: https://apwr.dev/FreeCodeCamp50 🏗️ Appwrite provided a grant to make this course possible. 🎉 Thanks to our Champion and Sponsor supporters:
👾 davthecoder
👾 jedi-or-sith
👾 南宮千影
👾 Agustín Kussrow
👾 Nattira Maneerat
👾 Heather Wcislo
👾 Serhiy Kalinets
👾 Justin Hual
👾 Otis Morgan 👾 Oscar Rahnama — Learn to code for free and get a developer job: https://www.freecodecamp.org Read hundreds of articles on programming: https://freecodecamp.org/news

How to Install JMeter on Windows 11 (2024)



Welcome to our step-by-step guide on how to install Apache JMeter on Windows 11! JMeter is a popular open-source tool for performance and load testing, primarily designed for testing web applications. In this tutorial, we'll walk you through the entire process of downloading, installing, and setting up JMeter on your Windows 11 machine. Whether you are a beginner or an experienced tester, this guide will help you get started with JMeter quickly and efficiently. **What You Will Learn:** 1. **Introduction to JMeter:** – What is JMeter? – Key features and use cases of JMeter. 2. **System Requirements for JMeter:** – Minimum and recommended system requirements. – Software prerequisites. 3. **Downloading JMeter:** – Where to download JMeter. – Understanding the different download options. 4. **Installing JMeter on Windows 11:** – Step-by-step installation process. – Setting up environment variables. 5. **Running JMeter:** – Launching JMeter for the first time. – Basic navigation and interface overview. 6. **Creating Your First Test Plan:** – Setting up a simple test plan. – Running the test and analyzing results. **Steps to Install JMeter on Windows 11:** 1. **System Requirements:** – Ensure your system meets the minimum requirements: – A computer with Windows 11. – At least 2 GB of RAM (4 GB or more recommended). – Java Development Kit (JDK) installed. 2. **Install Java Development Kit (JDK):** – JMeter requires Java to run. If you don't have the JDK installed, download it from the [Oracle website](https://www.oracle.com/java/technologies/javase-downloads.html) or [OpenJDK](https://openjdk.java.net/install/). – Follow the installation instructions and set up the `JAVA_HOME` environment variable. 3. **Download JMeter:** – Go to the [Apache JMeter download page](https://jmeter.apache.org/download_jmeter.cgi). – Under the "Binaries" section, download the `.zip` file for Windows. 4. **Extract the JMeter Archive:** – Once the download is complete, locate the `.zip` file in your Downloads folder. – Right-click on the file and select "Extract All…" to extract the contents to a desired location (e.g., `C:\JMeter`). 5. **Set Up Environment Variables:** – Open the Start menu and search for "Environment Variables". – Click on "Edit the system environment variables". – In the System Properties window, click on the "Environment Variables…" button. – Under "System variables", click on "New…" and add a new variable: – Variable name: `JMETER_HOME` – Variable value: `C:\JMeter\apache-jmeter-x.x` (replace `x.x` with the JMeter version number). – Edit the `Path` variable and add the JMeter `bin` directory to the path: – `C:\JMeter\apache-jmeter-x.x\bin` 6. **Launch JMeter:** – Navigate to the JMeter `bin` directory (e.g., `C:\JMeter\apache-jmeter-x.x\bin`). – Double-click on `jmeter.bat` to start JMeter. – JMeter will launch with its graphical interface. 7. **Basic Navigation and Interface Overview:** – Familiarize yourself with the JMeter interface: – Test Plan: The main container for your testing scripts. – WorkBench: A temporary workspace for creating and testing components. – Tree structure: Organizes your test plan components. 8. **Create Your First Test Plan:** – Right-click on "Test Plan" and add a "Thread Group" (users, ramp-up period, loop count). – Add "Sampler" (e.g., HTTP Request) to the Thread Group. – Configure the Sampler with the necessary parameters (e.g., server name, path). – Add "Listeners" (e.g., View Results Tree) to monitor and analyze test results. 9. **Running the Test and Analyzing Results:** – Save your test plan. – Click on the green "Start" button to run the test. – View the results in the Listener components. **Conclusion:** You have successfully installed and set up Apache JMeter on your Windows 11 machine! JMeter is a versatile tool that can help you perform various types of performance and load testing on your web applications. If this video was helpful, please give it a thumbs up and share it with your friends. Don’t forget to subscribe to our channel for more tutorials and tech tips. If you have any questions or need further assistance, leave a comment below. Happy testing! #JMeter #ApacheJMeter #Windows11 #PerformanceTesting #LoadTesting #SoftwareTesting #TechTutorial #HowTo #Programming #Java #OpenSource — This detailed guide ensures you can successfully install and configure Apache JMeter on Windows 11, set up your first test plan, and start performance testing your web applications efficiently.

How to Install Android Studio on Windows 11 (2024)



Welcome to our step-by-step guide on how to install Android Studio on Windows 11! Android Studio is the official Integrated Development Environment (IDE) for Android app development, providing a comprehensive suite of tools to help you create, test, and debug your applications. Whether you're a beginner or an experienced developer, this tutorial will walk you through the installation process, ensuring you have everything set up to start building amazing Android apps. **What You Will Learn:** 1. **Downloading Android Studio:** – Where to find the official Android Studio download. – Ensuring you download the correct version for Windows 11. 2. **Installing Android Studio:** – Step-by-step instructions on running the installer. – Configuring the installation settings. – Installing necessary components and SDKs. 3. **Setting Up Your First Project:** – Creating a new Android project. – Exploring the Android Studio interface. – Running your first app on an emulator or physical device. **Steps to Install Android Studio on Windows 11:** 1. **Download Android Studio:** – Open your web browser and go to the official Android Studio download page: [Android Studio Download](https://developer.android.com/studio). – Click on the "Download Android Studio" button. – Read and accept the terms and conditions to start the download. 2. **Run the Installer:** – Once the download is complete, locate the downloaded file (usually in your Downloads folder) and double-click on it to run the installer. – If prompted by the User Account Control (UAC), click "Yes" to allow the installer to make changes to your device. 3. **Install Android Studio:** – The Android Studio Setup Wizard will open. Click "Next" to start the installation process. – Choose the installation path. The default path is recommended unless you have a specific reason to change it. – Click "Next" and then "Install" to begin the installation. This process may take a few minutes. 4. **Complete the Installation:** – Once the installation is complete, click "Next" and then "Finish" to exit the Setup Wizard. – Android Studio will launch automatically. If it does not, you can open it from the Start menu. 5. **Set Up Android Studio:** – When you launch Android Studio for the first time, you will be greeted by the "Welcome to Android Studio" screen. – Click "Next" to begin the setup wizard. – Choose the standard setup type and click "Next". – Select the UI theme you prefer (e.g., Light or Dark) and click "Next". – The setup wizard will download and install additional components. This may take a few minutes. 6. **Configure the SDK:** – The setup wizard will prompt you to configure the Android SDK. Ensure the default SDK components are selected and click "Next". – Click "Finish" to complete the setup process. 7. **Create Your First Project:** – On the "Welcome to Android Studio" screen, click "Start a new Android Studio project". – Choose a template for your first project (e.g., "Empty Activity") and click "Next". – Configure your project by entering the name, package name, and save location. Click "Finish" to create your project. 8. **Run Your First App:** – Once your project is created, you will be taken to the Android Studio interface. – To run your app, click on the green play button (Run) in the toolbar. – Select a deployment target. You can either use an Android Virtual Device (emulator) or connect a physical device. – Follow the on-screen instructions to set up an emulator if needed. – Your app will compile and launch on the selected device. **Conclusion:** Congratulations! You have successfully installed Android Studio on your Windows 11 machine and created your first Android project. You're now ready to start developing and testing your own Android applications. Android Studio provides a robust environment with all the tools you need to build high-quality apps. If this video was helpful, please give it a thumbs up and share it with your friends. Don't forget to subscribe to our channel for more Android development tutorials and tips. If you have any questions or need further assistance, leave a comment below. Happy coding! #AndroidStudio #Windows11 #AndroidDevelopment #HowTo #Tutorial #TechTutorial #AppDevelopment #Java #Kotlin #MobileDevelopment #Programming — This detailed guide ensures that you can successfully install Android Studio on your Windows 11 system, set up your first project, and begin developing Android applications with confidence.

How to get Machine Learning Skills without doing a PhD in Math [Podcast #133 with Daniel Bourke]



On this week's episode of the podcast, freeCodeCamp founder Quincy Larson interviews Daniel Bourke. He's a Machine Learning Engineer and creator of many popular tutorials on YouTube. He's also a frequent freeCodeCamp contributor. We talk about: – How as a kid he hacked into his school's network and gave himself good grades, just like the kid from Wargames. (Don't try this at home.) – What he learned from helping fix 5,000 people's computers – How Machine Learning actually works. What the AI models are actually doing for you in the background. – His advice for anyone getting into Machine Learning in 2024, in terms of what to prioritize learning Can you guess what song I'm playing on my bass during the intro? It's from a 2020 song by an Australian musician. Also, I want to thank the 9,779 kind people who support our charity each month, and who make this podcast possible. You can join them and support our mission at: https://www.freecodecamp.org/donate Links we talk about during our conversation: – Daniel's 26-hour PyTorch course on freeCodeCamp: https://www.freecodecamp.org/news/learn-pytorch-for-deep-learning-in-day/ – Nutrify, Daniel's "pokedex for food". Uses computer vision to map photos of food to nutrition data: https://www.youtube.com/watch?v=-jpLqtAWKfo – Daniel's Charles Bukowski-inspired novel "Charlie Walks": https://www.charliewalks.com/ – The research website Daniel mentions: https://arxiv.org/ – Daniel on Twitter: https://twitter.com/mrdbourke Chapters
0:00:00 Introduction and Background
0:09:07 Love for the Beach and Drift Triking
0:31:14 Learning How to Learn and Applying it to Anything
0:44:21 Australia – Small but Mighty
0:59:53 Creating a Self-Designed Curriculum
1:08:35 Understanding the Hierarchy – AI, Machine Learning, and Deep Learning
1:21:47 Hardware Requirements for Machine Learning
1:38:03 The Evolution of AI and Its Impact on Software Engineering

Blazor Fundamentals Tutorial – Learn Blazor Step-by-Step



This crash course will guide you through learning the Blazor basics as a beginner, enabling you to start building web applications in .NET 8 from scratch! Course developed by @codeafuture 📙 Check out his C# eBook: https://codeafuture.gumroad.com/l/csharp-unlocked ⭐️ Contents ⭐️
⌨️ (0:00:00) Overview
⌨️ (0:00:52) What is Blazor
⌨️ (0:02:23) Project structure
⌨️ (0:10:02) Blazor Components ⌨️ (0:15:51) Event handling
⌨️ (0:16:29) onclick event
⌨️ (0:18:30) oninput event
⌨️ (0:23:24) onmouseover event
⌨️ (0:26:32) onkeydown event
⌨️ (0:28:35) onfocus & onblur event ⌨️ (0:31:34) Data binding
⌨️ (0:32:50) One-way data binding
⌨️ (0:33:05) Two-way data binding
⌨️ (0:34:32) Change the data bind event
⌨️ (0:35:25) Execute code after data binding ⌨️ (0:38:27) Render modes intro
⌨️ (0:38:49) Static Server Side Rendering
⌨️ (0:39:32) Enhanced Navigation & Form Handling
⌨️ (0:40:25) Streaming Rendering
⌨️ (0:42:44) Interactive Server Rendering
⌨️ (0:43:19) Interactive WebAssembly Rendering
⌨️ (0:44:13) Interactive Auto Rendering
⌨️ (0:44:53) Interactive Server Rendering Example
⌨️ (0:46:52) Interactive Auto Rendering Example
⌨️ (0:53:06) Interactive WebAssembly Rendering Example ⌨️ (0:55:00) CRUD Intro
⌨️ (0:55:42) Creating the project & the data model
⌨️ (0:57:55) Scaffolding the CRUD pages
⌨️ (1:00:03) Creating a database and connecting it to the project.
⌨️ (1:03:13) Testing the CRUD pages
⌨️ (1:04:58) Index Page
⌨️ (1:08:23) Create Page
⌨️ (1:12:45) Form validation
⌨️ (1:16:40) Delete Page
⌨️ (1:18:45) Details Page
⌨️ (1:19:16) Edit Page 🎉 Thanks to our Champion and Sponsor supporters:
👾 davthecoder
👾 jedi-or-sith
👾 南宮千影
👾 Agustín Kussrow
👾 Nattira Maneerat
👾 Heather Wcislo
👾 Serhiy Kalinets
👾 Justin Hual
👾 Otis Morgan 👾 Oscar Rahnama — Learn to code for free and get a developer job: https://www.freecodecamp.org Read hundreds of articles on programming: https://freecodecamp.org/news