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How to check file MIME type with javascript before upload?
...new FileReader();
fr.onloadend = function() {
$("hr").after($("<img>").attr("src", fr.result))
.after($("<div>").text("Blob MIME type: " + blob.type));
};
fr.readAsDataURL(blob);
}
// Add more from http://en.wikipedia.org/wiki/List_of_file_signatures
function mi...
Favicon dimensions? [duplicate]
...ad of your document:
<link rel="shortcut icon" type="image/png" href="/img/icon-192x192.png">
<link rel="shortcut icon" sizes="192x192" href="/img/icon-192x192.png">
<link rel="apple-touch-icon" href="/img/icon-192x192.png">
The last link is for Apple (home screen), the second o...
Save plot to image file instead of displaying it using Matplotlib
...ike the concept of the "current" figure, do:
import matplotlib.image as mpimg
img = mpimg.imread("src.png")
mpimg.imsave("out.png", img)
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foll...
Tooltip on image
...
You can use the standard HTML title attribute of image for this:
<img src="source of image" alt="alternative text" title="this will be displayed as a tooltip"/>
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Replace input type=file by an image
...lt;div class="image-upload">
<label for="file-input">
<img src="https://icon-library.net/images/upload-photo-icon/upload-photo-icon-21.jpg"/>
</label>
<input id="file-input" type="file" />
</div>
Basically the for attribute of the label makes ...
Website screenshots
... PHP solely!
imagegrabscreen — Captures the whole screen
<?php
$img = imagegrabscreen();
imagepng($img, 'screenshot.png');
?>
imagegrabwindow - Grabs a window or its client area using a windows handle (HWND property in COM instance)
<?php
$Browser = new COM('InternetExplorer...
Adding parameter to ng-click function inside ng-repeat doesn't seem to work
... <div class="thumbnail">
<center>
<img src="https://cdn2.iconfinder.com/data/icons/users-2/512/User_1-512.png" alt="Image - {{user.name}}" class="img-responsive img-circle" style="width: 100px">
<hr>
</center>
&...
How to get a pixel's x,y coordinate color from an image?
...he same width and height as your image and has the image drawn on it.
var img = document.getElementById('my-image');
var canvas = document.createElement('canvas');
canvas.width = img.width;
canvas.height = img.height;
canvas.getContext('2d').drawImage(img, 0, 0, img.width, img.height);
After that...
ASP.Net MVC: How to display a byte array image from model
...k...
@{
var base64 = Convert.ToBase64String(Model.ByteArray);
var imgSrc = String.Format("data:image/gif;base64,{0}", base64);
}
<img src="@imgSrc" />
As mentioned in the comments below, please use the above armed with the knowledge that although this may answer your question it ma...
Check image width and height before upload with Javascript
...ow.URL || window.webkitURL;
$("#file").change(function (e) {
var file, img;
if ((file = this.files[0])) {
img = new Image();
var objectUrl = _URL.createObjectURL(file);
img.onload = function () {
alert(this.width + " " + this.height);
_URL.revo...