How to select multiple rows on HTML table using jQuery

Introduction In this tutorial we will see how to check or select multiple checkboxes on HTML table using jQuery. We will put checkbox against each row on the table so that user will be able to select a particular row. We will also put a checkbox on the table header and selecting this checkbox all rows on the table will…

How to upload and display Image using Angular 8/11

Introduction In this tutorial I will upload and display image using Angular. In this example I will allow to upload only single image and display the uploaded image on the web page. You might have seen how to upload file using Angular, but here I am uploading and displaying the image. I am also validating the uploaded file is image…

Find Unique Strings Or Objects Using Java Stream API

Unique Strings/Objects In this tutorial you will see an example on how to find unique strings or objects using Java stream API. Stream API was introduced in Java 8 and I am going to show you how to use this stream API to remove duplicates from strings or objects. Java stream API has a method distinct() that removes duplicates and…

How to build chat application using Nodejs, Express and Socket.IO

Introduction In this example we will see how to build chat application using Nodejs, express and socket.io. You can find the original demo at https://socket.io/. This chat application has the following features: Asks for nick name from participant Tracks how many participants are there in the room Tracks who joins the room Tracks who leaves the room Tracks who is…

How to check broken links in Website using Selenium Web Driver

Introduction In this tutorial we will see how to check broken links in website using Selenium web driver. Broken links are not reachable or simply do not work. A URL for the website is no longer available. A URL of the web page was moved without a redirect being added. The URL structure of a website was changed. The link…

Upload and display image using Python Flask

Introduction In this tutorial I will show you how to upload image and display on the web page once it is uploaded successfully. I have seen few tutorials on file uploads using Python Flask API but here I will show you how to allow users upload image file and display it on the browser once uploaded successfully. Related Posts: Upload…

Angular Star Rating Example

In this tutorial we will see how to create simple Angular star rating example. We post blogs, articles, news, etc. on web sites and we sometime expect people to rate our blogs, articles, news, etc. to find out the corresponding gap or issues with our write up. It helps us improve the quality of the blogs or articles. This example…

Sparse Matrix Using C Program

Sparse Matrix In this example you will see how to represent sparse matrix using C programming language. A sparse matrix is one where most of its elements are zero (0). For example, the following image represents a sparse matrix:

Evaluation Of Polynomial Expression Using C Program

Polynomial Expression Here you will see how to evaluate a polynomial using C program. The evaluation means what would be the final result of the polynomial expression. A Polynomial is a mathematical expression involving a sum of powers in one or more variables multiplied by coefficients.

How to Solve Josephus Problem using Pointer in C program

Introduction You will see how to solve Josephus problem using pointer in C program. So, I am going to use C program as well as pointer to solve Josephus problem. The Josephus problem (or Josephus permutation) is a theoretical problem related to a certain counting-out game. The problem is described as below. People are standing in a circle waiting to…