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Regular expression to return text between parenthesis
...t; import re
>>> s = u'abcde(date=\'2/xc2/xb2\',time=\'/case/test.png\')'
>>> re.search(r'\((.*?)\)',s).group(1)
u"date='2/xc2/xb2',time='/case/test.png'"
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if a ngSrc path resolves to a 404, is there a way to fallback to a default?
...an image and to replace the src. (Plunker)
Html:
<img ng-src="smiley.png" err-src="http://google.com/favicon.ico" />
Javascript:
var app = angular.module("MyApp", []);
app.directive('errSrc', function() {
return {
link: function(scope, element, attrs) {
element.bind('error',...
How to get the children of the $(this) selector?
...e img element like below
<div class="mydiv">
<img src="test.png" alt="3">
<img src="test.png" alt="4">
</div>
then you can't use upper code to find alt value of second img element. So you can try this:
$(this).find("img:last-child").attr("alt")
...
Save image from URL by paperclip
...mply :
user.picture_from_url "http://www.google.com/images/logos/ps_logo2.png"
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Control the dashed border stroke length and distance between strokes
...xels wide by 15 pixels high and the gaps are currently 5px wide. It is a .png with transparency.
This is what it looks like in photoshop when zoomed in:
This is what it looks like to scale:
Controlling gap and stroke length
To create wider / shorter gaps or strokes, widen / shorten the gaps...
How to overlay images
...his:
<img style="background:url(thumbnail1.jpg)" src="magnifying_glass.png" />
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How to take screenshot of a div with JavaScript?
...canvas.toBlob(function(blob) {
saveAs(blob, "Dashboard.png");
});
}
});
});
});
This code block waits for the button with the id btnSave to be clicked. When it is, it converts the widget div to a canvas element and then uses the saveAs()...
How can I set Image source with base64
...cument.getElementById('img')
.setAttribute(
'src', 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=='
);
Real answer:
(And make sure you remove the line-breaks in the base64.)
...
CSS Background Opacity [duplicate]
... It'd be weird and inconvenient if they didn't.
You can use a translucent PNG file for your background image, or use an RGBa (a for alpha) color for your background color.
Example, 50% faded black background:
<div style="background-color:rgba(0, 0, 0, 0.5);">
<div>
Text...
Get file size, image width and height before upload
...entById('preview');
const readImage = file => {
if ( !(/^image\/(png|jpe?g|gif)$/).test(file.type) )
return EL_preview.insertAdjacentHTML('beforeend', `Unsupported format ${file.type}: ${file.name}<br>`);
const img = new Image();
img.addEventListener('load', () => {
...