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Save image from URL by paperclip
...mply :
user.picture_from_url "http://www.google.com/images/logos/ps_logo2.png"
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How to overlay images
...his:
<img style="background:url(thumbnail1.jpg)" src="magnifying_glass.png" />
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How to take screenshot of a div with JavaScript?
...canvas.toBlob(function(blob) {
saveAs(blob, "Dashboard.png");
});
}
});
});
});
This code block waits for the button with the id btnSave to be clicked. When it is, it converts the widget div to a canvas element and then uses the saveAs()...
How can I set Image source with base64
...cument.getElementById('img')
.setAttribute(
'src', 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=='
);
Real answer:
(And make sure you remove the line-breaks in the base64.)
...
CSS Background Opacity [duplicate]
... It'd be weird and inconvenient if they didn't.
You can use a translucent PNG file for your background image, or use an RGBa (a for alpha) color for your background color.
Example, 50% faded black background:
<div style="background-color:rgba(0, 0, 0, 0.5);">
<div>
Text...
Get file size, image width and height before upload
...entById('preview');
const readImage = file => {
if ( !(/^image\/(png|jpe?g|gif)$/).test(file.type) )
return EL_preview.insertAdjacentHTML('beforeend', `Unsupported format ${file.type}: ${file.name}<br>`);
const img = new Image();
img.addEventListener('load', () => {
...
Changing the background drawable of the searchview widget
...d through nine-patches, so we'll do it the same way. You can find original png images in drawable-mdpi directory of Android git repository. We're interested in two image. One for state when text field is selected (named textfield_search_selected_holo_light.9.png) and one for where it's not (named te...
UIBarButtonItem with custom image and no border
...
I found it this ways easy. It is sugested on top. "random.png" has to be in project. Just drag and drop any image.
UIButton *a1 = [UIButton buttonWithType:UIButtonTypeCustom];
[a1 setFrame:CGRectMake(0.0f, 0.0f, 25.0f, 25.0f)];
[a1 addTarget:self action:@selector(r...
How to set HTTP headers (for cache-control)?
... the contents in the cache.
Use:
<FilesMatch "\.(ico|pdf|flv|jpg|jpeg|png|gif|js|css|swf)$">
Header set Cache-Control "max-age=604800, public"
</FilesMatch>
Where: 604800 = 7 days
PS: This can be used to reset any header
...
Google Maps API 3 - Custom marker color for default (dot) marker
...n e.g.
marker.setIcon('http://maps.google.com/mapfiles/ms/icons/green-dot.png')
Or as part of marker init:
marker = new google.maps.Marker({
icon: 'http://...'
});
Other colours:
Blue marker
Red marker
Purple marker
Yellow marker
Green marker
Use the following piece of code to update d...