My WordPress Blog
My WordPress Blog
What are CRUD Operations? CRUD is an acronym (a shortened name) that stands for Create, Read, Update, and Delete. These are the four basic operations performed on data in most databases and web applications such as Employee Management System, LMS, etc. Each operation has its own functionality as follows: Now that we have a basic understanding of CRUD operations. Let’s learn about […]
HTTP JSONP Method The JSONP is a special technique (of feature) used to bypass the cross-domain (CORS) policies enforced by web browsers. Generally, browsers only support AJAX calls within the same domain. To make AJAX calls to another domain, CORS policies need to be enabled on both the server and the client (browser). Instead of enabling the CORS policy, the […]
The HTTP DELETE The HTTP standard verb DELETE can be used in the HTTP protocol to request the deletion of a specific resource (data) on the server. The purpose of the DELETE method is to ask the server to remove a particular piece of data. In Angular, the HttpClient service class provides a delete() method to delete data on the server. Let’s learn […]
The HTTP PUT The HTTP standard verb PUT can be used in the HTTP protocol to request the creation or update of a resource (data) on the server. The purpose of the PUT method is to send data to the server to create or update the resource based on the provided data. The server processes the data and either “creates or […]
The HTTP POST The HTTP standard verb POST can be used in the HTTP protocol to add (create) a new resource (data) on the server. The purpose of the POST method is to request the creation of new data (records) on the server. In Angular, theHttpClientservice class provides aPOST()method to add (create) new data on the server using the HTTP POST […]
The HTTP GET TheHTTP standard verbGETcan be used in HTTP protocol to get (retrieve) a resource (data) from the server. The purpose of theGET method is to request data from the server. The server will check for the specified resource in the server and send it back if it is available. In Angular, the HttpClient service class provides […]
What is HTTP Response? In the HTTP protocol, the response is the process by which the server returns data to the client (application or browser) after receiving a request. In Angular, a response refers to the data received from the server following an HTTP call made by the client to fetch, send, or manipulate data. These responses are handled […]
What is HTTP Request? In HTTP protocol,the requestis a process of starting communication with the server by the client application or browser. In Angular, a request refers to making HTTP calls to a server to fetch, send, or manipulate data. These requests are handled by the Angular HttpClient module. The following diagram will give you a clear understanding of the HTTP Request: Let’s […]
What is HTTP Client? HTTP Client is a client-side programming that provides the HTTP server access to various resources and services. It allows the client (a browser or application) to send HTTP requests and receive responses from the server. HTTP client programming is an important feature in every modern web application. Nowadays, many applications expose their functionality through REST […]
What are Services in Angular? In Angular, Services are singleton (having a single instance) classes that provide specific functionality or handle common logic in an Angular application, which can be used throughout the entire application. In a single Angular application, one or more services can be used. Similarly, an Angular component may depend on one or more services. Angular services may […]