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How to fix getImageData() error The canvas has been tainted by cross-origin data?
... local file gives: Access to Image at 'file:///C:/.../img/colorPaletteCtrl.png?1507058959277' from origin 'null' has been blocked by CORS policy: Invalid response. Origin 'null' is therefore not allowed access.
– Sanford Staab
Oct 3 '17 at 19:30
...
CSS to stop text wrapping under image
...an>.
<li id="CN2787">
<img class="fav_star" src="images/fav.png">
<p>
<span>Text, text and more text</span>
</p>
</li>
Since <p> is a block element, you can set its width using CSS, without having to change anything.
But in both cases...
How can I call controller/view helper methods from the console in Ruby on Rails?
...=\"bar\">foo</a>"
ActionController::Base.helpers.image_tag('logo.png') #=> "<img alt=\"Logo\" src=\"/images/logo.png\" />"
Render:
views = Rails::Application::Configuration.new(Rails.root).paths["app/views"]
views_helper = ActionView::Base.new views
views_helper.render 'myview...
RegEx to parse or validate Base64 data
...
To validate base64 image we can use this regex
/^data:image/(?:gif|png|jpeg|bmp|webp)(?:;charset=utf-8)?;base64,(?:[A-Za-z0-9]|[+/])+={0,2}
private validBase64Image(base64Image: string): boolean {
const regex = /^data:image\/(?:gif|png|jpeg|bmp|webp)(?:;charset=utf-8)?;base64,(?:[A-Z...
Uploading images using Node.js, Express, and Mongoose
...
other useful req.files properties:
size (in bytes)
type (e.g., 'image/png')
lastModifiedate
_writeStream.encoding (e.g, 'binary')
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ASP.Net MVC: How to display a byte array image from model
... byte[] photoBack = item.InternalImage;
return File(photoBack, "image/png");
}
View
@model YourNameSpace.Models.Item
@{
ViewBag.Title = "Details";
}
<h2>Details</h2>
<div>
<h4>Item</h4>
<hr />
<dl class="dl-horizontal">
<img src="@Url.A...
Display image as grayscale using matplotlib
...
The following code will load an image from a file image.png and will display it as grayscale.
import numpy as np
import matplotlib.pyplot as plt
from PIL import Image
fname = 'image.png'
image = Image.open(fname).convert("L")
arr = np.asarray(image)
plt.imshow(arr, cmap='gray', ...
Draw in Canvas by finger, Android
...lutePath();
File file = new File("/sdcard/"+name+".png");
try
{
if(!file.exists())
{
file.createNewFile();
}
...
Changing the image source using jQuery
...(document).ready(function () {
$("#img1").attr({ "src": "logo-ex-7.png" });
$("#img2").attr({ "src": "logo-ex-8.png" });
});
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CSS3 gradient background set on body doesn't stretch but instead repeats?
...tml tag to 100% does weird things in Internet Explorer. Here's an example (png).
– Justin Force
May 11 '12 at 17:01
21
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