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Arjun Thakur has Published 1024 Articles
Arjun Thakur
4K+ Views
Selection sort is a simple sorting algorithm. This sorting algorithm is an in-place comparison-based algorithm in which the list is divided into two parts, the sorted part at the left end and the unsorted part at the right end. Initially, the sorted part is empty and the unsorted part is ... Read More
Arjun Thakur
3K+ Views
You can find the hash of a file using the hashlib library. Note that file sizes can be pretty big. Its best to use a buffer to load chunks and process them to calculate the hash of the file. You can take a buffer of any size.Exampleimport sys import hashlib ... Read More
Arjun Thakur
87 Views
Use the :lang pseudo class to specify a language to use in a specified element. This class is useful in documents that must appeal to multiple languages that have different conventions for certain language constructs.ExampleYou can try to run the following code to understand the usage of :lang pseudo class ... Read More
Arjun Thakur
106 Views
The outline-color property allows you to specify the color of the outline. Its value should either be a color name, a hex color, or an RGB value, as with the color and border-color properties.ExampleYou can try to run the following code to implement outline-color property − ... Read More
Arjun Thakur
352 Views
To get the pixel color from canvas, use the following code. This returns the color in rgba −var index = (Math.floor(y) * canvasWidth + Math.floor(x)) * 4 // color in rgba var r = data[index] var g = data[index + 1] var b = data[index + 2] var a = data[index + 3]
Arjun Thakur
1K+ Views
If you have a data url, you can create an image to a canvas. This can be done as shown in the following code snippet −var myImg = new Image; myImg.src = strDataURI;The drawImage() method draws an image, canvas, or video onto the canvas. The drawImage() method can also draw ... Read More
Arjun Thakur
446 Views
Before HTML5, the file size was checked with flash but now flash is avoided in web apps. Still the file size on the client side can be checked by inserting the below given code inside an event listener.if (typeofFileReader !== "undefined") { // file[0] is file 1 var ... Read More
Arjun Thakur
688 Views
When the form is submitted, catch the submission process and try to run the following code snippet for file upload −// File 1 var myFile = document.getElementById('fileBox').files[0]; var reader = new FileReader(); reader.readAsText(file, 'UTF-8'); reader.onload = myFunc; function myFunc(event) { var res = event.target.result; var fileName = document.getElementById('fileBox').files[0].name; ... Read More