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How to force a web browser NOT to cache images
...laying the form, I am also showing a preview of the picture uploaded (HTML img tag).
17 Answers
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How can I check if a background image is loaded?
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try this:
$('<img/>').attr('src', 'http://picture.de/image.png').on('load', function() {
$(this).remove(); // prevent memory leaks as @benweet suggested
$('body').css('background-image', 'url(http://picture.de/image.png)');
});
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Using HTML and Local Images Within UIWebView
...ring baseURL:baseURL];
You can then refer to your images like this:
<img src="myimage.png">
(from uiwebview revisited)
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base64 encoded images in email signatures
...rposes be sure to read Shadow2531's answer.
Base-64 data is legal in an img tag and I believe your question is how to properly insert such an image tag.
You can use an online tool or a few lines of code to generate the base 64 string.
The syntax to source the image from inline data is:
<img...
How to save an image to localStorage and display it on the next page?
...ng as my localStorage value.
bannerImage = document.getElementById('bannerImg');
imgData = getBase64Image(bannerImage);
localStorage.setItem("imgData", imgData);
Here is the function that converts the image to a Base64 string:
function getBase64Image(img) {
var canvas = document.createElemen...
Embed image in a element
...ce of semantic data (like a profile picture, for example), then use an <img> element inside your <button> and use CSS to resize the <img>. If the image is just a way to make a button visually pleasing, use CSS background-image to style the <button> (and don't use an <img&g...
How to overlay images
... like this:
<a href="[fullsize]" class="gallerypic" title="">
<img src="[thumbnail pic]" height="90" width="140" alt="[Gallery Photo]" class="pic" />
<span class="zoom-icon">
<img src="/images/misc/zoom.gif" width="32" height="32" alt="Zoom">
</span>
</a...
Automatic Retina images for web sites
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There is a new attribute for the img tag that allows you to add a retina src attribute, namely srcset. No javascript or CSS needed, no double loading of images.
<img src="low-res.jpg" srcset="high-res.jpg 2x">
Browser Support: http://caniuse.com/#sea...
embedding image in html email
...way you can insert multiple images at various locations in the email.
<img src="data:image/jpg;base64,{{base64-data-string here}}" />
And to make this post usefully for others to:
If you don't have a base64-data string, create one easily at:
http://www.motobit.com/util/base64-decoder-encode...
How to make div background color transparent in CSS
...age as a fallback if the browser doesn't support alpha :
background: url('img/red_transparent_background.png');
background: rgba(255, 0, 0, 0.4);
See also : http://www.w3schools.com/cssref/css_colors_legal.asp.
Demo : My JSFiddle
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