Library
Tutorials
A collection of programming guides we've put together over the years.
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Frontend frameworks
How to use form validation in Angular
Learn how to use form validation in Angular with this comprehensive guide. We'll cover topics such as creating custom validators, using built-in validators, an…
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Frontend frameworks
How to make HTTP requests with Angular
Learn how to make HTTP requests with Angular. This tutorial will show you how to use the Angular HttpClient to make HTTP requests, how to set headers, and how …
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Frontend frameworks
How to use services in Angular
Angular is a powerful JavaScript framework used to create dynamic web applications. Learn how to use services in Angular to create powerful and efficient appli…
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Frontend frameworks
How to use routing in Angular
Learn how to use routing in Angular with this comprehensive guide. Understand the basics of routing, how to set up routes, and how to use the routerLink direct…
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Frontend frameworks
How to use directives in Angular
Learn how to use directives in Angular to create powerful and dynamic web applications. Understand the different types of directives and how to use them to cre…
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Frontend frameworks
How to install and set up Angular
Learn how to install and set up Angular with this easy-to-follow guide. We'll show you step-by-step how to install and configure Angular, so you can start buil…
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Frontend frameworks
How to build and deploy a React application
Learn how to build and deploy a React application with this step-by-step guide. Get the best tips and tricks to ensure your React application is deployed quick…
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Frontend frameworks
How to use lifecycle methods in React
Learn how to use lifecycle methods in React to optimize your code and create better user experiences. This article will explain the different lifecycle methods…
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Frontend frameworks
How to make HTTP requests with React
Learn how to make HTTP requests with React. This tutorial will show you how to use the React library to make HTTP requests, including GET, POST, PUT, and DELET…
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Frontend frameworks
How to handle events in React
Learn how to handle events in React with this comprehensive guide. Get tips on how to use React's SyntheticEvent system, how to use the useEffect hook, and mor…
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Frontend frameworks
How to use state in React
Learn how to use state in React to create dynamic and interactive web applications. This tutorial will guide you through the basics of React state and how to u…
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Frontend frameworks
How to create a simple component in React
Learn how to create a simple component in React with this easy-to-follow guide. Get step-by-step instructions on how to create a component, add props, and rend…
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Frontend frameworks
How to install and set up React
Learn how to install and set up React with this easy-to-follow guide. We'll show you step-by-step instructions on how to get started with React and get the mos…
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Art
How to draw a human face (Drawing Technique)
Learn how to draw a human face with this easy step-by-step drawing technique. Follow the instructions and you'll be able to draw a realistic face in no time. G…
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Relational databases
How to secure and manage your MongoDB deployment, including configuring access control, backup and recovery, and monitoring and performance tuning
Secure and manage your MongoDB deployment with ease. Learn how to configure access control, backup and recovery, and monitor and performance tune your MongoDB …
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Relational databases
How to use MongoDB's built-in indexing features to improve the performance of your queries
MongoDB's built-in indexing features can help you improve the performance of your queries. Learn how to use them to get the most out of your database. Get the …
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Relational databases
How to use the MongoDB aggregation framework to perform complex data processing and analysis
Learn how to use the MongoDB aggregation framework to perform complex data processing and analysis. Get an overview of the framework and understand how to use …
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Relational databases
How to query data in MongoDB using the find() method and other operators
MongoDB is a powerful NoSQL database. Learn how to query data using the <code>find()</code> method and other operators. Get tips on how to optimize your querie…
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Relational databases
How to insert, update, and delete documents in MongoDB
Learn how to insert, update, and delete documents in MongoDB with this comprehensive guide. Get step-by-step instructions on how to use MongoDB commands to man…
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Relational databases
How to create a database and collection in MongoDB
Creating a database and collection in MongoDB is easy. Learn how to do it in this step-by-step guide. We'll show you how to create a database, add a collection…
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Relational databases
How to secure and manage your PostgreSQL deployment, including configuring access control, backup and recovery, and monitoring and performance tuning
Secure and manage your PostgreSQL deployment with ease. Learn how to configure access control, backup and recovery, and monitor and performance tune your deplo…
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Relational databases
How to query data in PostgreSQL using SQL commands and operators
Learn how to query data in PostgreSQL using SQL commands and operators. Understand the basics of SQL syntax and how to use operators to filter and sort data. G…
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Relational databases
How to insert, update, and delete data in PostgreSQL
Learn how to insert, update, and delete data in PostgreSQL with this comprehensive guide. Get step-by-step instructions on how to use PostgreSQL commands to ma…
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Relational databases
How to install and set up PostgreSQL on your local machine
Learn how to install and set up PostgreSQL on your local machine with this easy-to-follow guide. We'll walk you through the steps to get PostgreSQL up and runn…
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Relational databases
How to secure and manage a NoSQL database, including configuring access control, backup and recovery, and monitoring and performance tuning
Secure and manage your NoSQL database with ease. Learn how to configure access control, backup and recovery, and monitor and performance tune your database. Ge…
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Relational databases
How to scale and distribute a NoSQL database across multiple servers and regions
Learn how to scale and distribute a NoSQL database across multiple servers and regions with this comprehensive guide. Get tips on how to optimize performance, …
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Relational databases
How to insert, update, and delete data in a NoSQL database
Learn how to insert, update, and delete data in a NoSQL database with this comprehensive guide. Understand the basics of NoSQL databases and how to use them to…
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Relational databases
How to design and model data for a NoSQL database
Designing and modeling data for a NoSQL database can be a daunting task. This article provides a step-by-step guide on how to design and model data for a NoSQL…
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Relational databases
How to choose the right NoSQL database for your use case
Choosing the right NoSQL database for your use case can be a daunting task. Learn how to evaluate your needs and select the best NoSQL database for your projec…
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Relational databases
How to secure and manage your Oracle Database deployment, including configuring access control, backup and recovery, and monitoring and performance tuning
Secure and manage your Oracle Database deployment with ease. Learn how to configure access control, backup and recovery, and monitor and performance tune your …