Use JavaScript to dynamically change an image in HTML when a var updates?

I know this is a simple question but I am missing something. I am trying to update an image on a web page when a var...

Drawing a 20x20 pixel greyscale image?

I'm currently trying to write a program that takes a user-inputted 20x20 pixel greyscale image of a digit and predic...

Draw rotated sine image?

I'm working with 2D Fourier transforms, and I have a method that will output the following result: The code looks ...

PHP - Detect if a PNG is fully transparent?

I am looking for a fast an reliable way of knowing if a PNG file hosted on an HTTP server is fully transparent (not ...

Image inside div has extra space below the image?

Why in the following code the height of the div is bigger than the height of the img ? There is a gap below the imag...

How to extract account number in cheque/check images?

I am working on a task to extract the account number from cheque images. My current approach can be divided into 2 s...

Round shadow for image with CSS?

I want to create a round shadow for an image and a button for CSS, and I found a solution in CSS3 Drop Shadows Gener...

CSS Display an Image Resized and Cropped?

I want to show an image from an URL with a certain width and height even if it has a different size ratio. So I wan...

how to separate the background image in wpf textbox??

I am new to WPF. In my project i have tried user name textbox box with usericon. My XAML Code:- > <TextBox ...

pictorial chart in r?

I am trying to develop pictorial charts. Is it possible to develop such charts in R ? myd <- data.frame (categ...

can we make multi color gradient in xml for android background??

I have been trying to make a multi-color background in XML but there only 3 option available start, center, end and ...

Gradient overlay on transparent png?

On my website I have a PHP script that turns this image into a recolored version of the same image based on a $_GET ...

Segmentation of Pallets from images?

Image of Pallets in Warehouse I want to segment the pallets shown in the image (mentioned above) as I need to us...

How to create a new img tag with JQuery, with the src and id from a JavaScript object??

I understand JQuery in the basic sense but am definitely new to it, and suspect this is very easy. I've got my imag...