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How to merge images in command line? [closed]
... Some tutorial about it here.
Example (vertical sprite):
convert image1.png image2.png image3.png -append result/result-sprite.png
Example (horizontal sprite):
convert image1.png image2.png image3.png +append result/result-sprite.png
...
Wait for all promises to resolve
...promise.
Example:
In my example, I need to replace the src attributes of img tags with different mirror urls if available before rendering the content.
var img_tags = content.querySelectorAll('img');
function checkMirrorAvailability(url) {
// blah blah
return promise;
}
function chan...
JS - get image width and height from the base64 code
I have a base64 img encoded that you can find here . How can I get the height and the width of it?
4 Answers
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How do I pass the this context to a function?
...
Another basic example:
NOT working:
var img = new Image;
img.onload = function() {
this.myGlobalFunction(img);
};
img.src = reader.result;
Working:
var img = new Image;
img.onload = function() {
this.myGlobalFunction(img);
}.bind(this);
img.src = reader.re...
Rename all files in directory from $filename_h to $filename_half?
...
Just use bash, no need to call external commands.
for file in *_h.png
do
mv "$file" "${file/_h.png/_half.png}"
done
Do not add #!/bin/sh
For those that need that one-liner:
for file in *.png; do mv "$file" "${file/_h.png/_half.png}"; done
...
Embedding SVG into ReactJS
...s. You can use other React components here too. Here, I'll show you.
<img src="/path/to/myfile.png" />
</SVG>
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Colors in JavaScript console
...19px;line-height:100px;background:url(http://cdn.sstatic.net/stackoverflow/img/sprites.png?v=6) no-repeat;');
– Derek 朕會功夫
Feb 16 '14 at 20:47
3
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MIME type warning in chrome for png images
...te in chrome and suprisingly it comes up with this warning for each of my .png images:
6 Answers
...
How to get image size (height & width) using JavaScript?
...cally get the image and check the dimensions using Javascript...
const img = new Image();
img.onload = function() {
alert(this.width + 'x' + this.height);
}
img.src = 'http://www.google.com/intl/en_ALL/images/logo.gif';
This can be useful if the image is not a part of the markup.
...
Preloading images with jQuery
...load(arrayOfImages) {
$(arrayOfImages).each(function(){
$('<img/>')[0].src = this;
// Alternatively you could use:
// (new Image()).src = this;
});
}
// Usage:
preload([
'img/imageName.jpg',
'img/anotherOne.jpg',
'img/blahblahblah.jpg'
]);
Or, if...