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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
...
Does :before not work on img elements?
..., but I'm finding that it simply doesn't work to place an image before an img element, only some other element. Specifically, my styles are:
...
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
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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.
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