Author: Saim Khalid
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Using the DatePipe in Angular
Introduction In modern web applications, date and time formatting is a crucial part of user interfaces. Whether you’re showing creation dates, timestamps, or scheduling information, displaying dates in a readable and user-friendly format improves both clarity and experience. Angular provides a built-in DatePipe that makes date and time formatting simple and efficient. Instead of manually…
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Built-in Pipes in Angular
In Angular, pipes are a powerful feature that allow you to transform data directly in your templates. They make your HTML cleaner, your components simpler, and your application more readable. Instead of formatting data manually in the component, you can use pipes to format data on the fly. Angular comes with several built-in pipes that…
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Introduction to Pipes in Angular
Angular is known for its clean, declarative templates and powerful data-binding system. One of the most elegant features that enhances template readability is Pipes. Pipes are a fundamental feature in Angular used for transforming data directly in templates. They help format data before displaying it to the user — without changing the underlying component logic.…
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Best Practices for API Integration in Angular
In modern web applications, integrating APIs efficiently is one of the most critical tasks. Angular provides a powerful ecosystem with HttpClient, RxJS, interceptors, and dependency injection, allowing developers to build clean and maintainable API communication layers. However, improper API handling can lead to problems such as duplicated code, unhandled errors, and memory leaks. Following structured…
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Singleton Services and Provider Scopes in Angular
Angular is a framework that strongly embraces the concept of dependency injection (DI) and services. Services in Angular are used to share logic, data, and state across multiple parts of an application. One of the most fundamental concepts when working with Angular services is understanding singleton services and provider scopes. This post explores these concepts…
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Working with Headers and Query Parameters in Angular HttpClient
Introduction When building web applications, HTTP requests often require additional data to be sent along with them. This can include headers (for authentication, content type, etc.) and query parameters (for pagination, searching, filtering, or sorting). Angular’s HttpClient provides powerful options to attach both headers and parameters dynamically. These make your API interactions more flexible, secure,…
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Using HTTP Interceptors in Angular
This comprehensive post explains how to use HTTP interceptors in Angular. It includes only text, headings, and code — no icons or images. The post covers setup, configuration, real-world use cases, error handling, authentication, logging, request modification, chaining interceptors, testing, and best practices. Table of Contents 1. Introduction to HTTP Interceptors HTTP interceptors in Angular…
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Error Handling with catchError in Angular HttpClient
Error handling is one of the most critical aspects of building reliable, user-friendly web applications. In Angular, the HttpClient service enables us to communicate with backend APIs using observables. However, since network requests can fail for many reasons—such as invalid URLs, authentication errors, or server downtime—handling these errors properly is essential to ensure a smooth…
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Handling Observables and Subscriptions in Angular HTTP
Angular applications rely heavily on reactive programming patterns powered by RxJS Observables. When working with APIs through Angular’s HttpClient, every HTTP request returns an Observable. Understanding how to handle Observables and subscriptions is crucial to building efficient, reactive, and memory-safe applications. This article provides a detailed guide to handling Observables and Subscriptions in Angular’s HTTP…
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Sending POST PUT and DELETE Requests in Angular
Introduction In modern web development, communicating with backend APIs is essential. Angular provides a powerful and easy-to-use HttpClient service that allows developers to perform all types of HTTP operations — including GET, POST, PUT, and DELETE. While GET requests are used to retrieve data, the other three methods — POST, PUT, and DELETE — are…