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The Ruby %r{ } expression
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\. => contains a dot
(gif|jpg|jpeg|png) => then, either one of these extensions
$ => the end, nothing after it
i => case insensitive
And it's the same as writing /\.(gif|jpg|jpeg|png)$/i.
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How to get image height and width using java?
...mparison done by user194715, i'll take your suggestion for performance and png consideration! Thank you!
– ah-shiang han
Nov 2 '15 at 5:50
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how to unit test file upload in django
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What are the appropriate headers for JPEG and PNG?
– antonagestam
Jun 23 '15 at 19:34
2
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How to flip UIImage horizontally?
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Objective-C
UIImage* sourceImage = [UIImage imageNamed:@"whatever.png"];
UIImage* flippedImage = [UIImage imageWithCGImage:sourceImage.CGImage
scale:sourceImage.scale
orientation:UIImageOrientationUpMirrored...
Is it possible to set the equivalent of a src attribute of an img tag in CSS?
...d out today (works in IE6+, FF, Opera, Chrome):
<img src='willbehidden.png'
style="width:0px; height:0px; padding: 8px; background: url(newimage.png);">
How it works:
The image is shrunk until no longer visible by the width & height.
Then, you need to 'reset' the image size with pa...
How can you profile a Python script?
...ut()):
code_to_profile()
Either of these will generate a pycallgraph.png file similar to the image below:
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Error in plot.new() : figure margins too large in R
...nt for me. I had to increase the image size, or decrease the resolution in png(filename="myfile.png", res=150, width = 1000, height = 1000)
– vanao veneri
Mar 6 '17 at 10:37
a...
Fluid width with equally spaced DIVs
...div id="container">
<ul>
<li><img src="box1.png"><li>
<li><img src="box2.png"><li>
<li><img src="box3.png"><li>
<li><img src="box4.png"><li>
<li><img src="box5.png"&...
How to check the extension of a filename in a bash script?
...it here in case it helps someone. if [[ ( $file == *.csv ) || ( $file == *.png ) ]]
– joelostblom
Feb 7 '15 at 1:09
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Check whether user has a Chrome extension installed
...aaaaaaaaaaaaa, and you add a file (say, a transparent pixel image) as test.png in your extension's files.
Then, you expose this file to the web pages with web_accessible_resources manifest key:
"web_accessible_resources": [
"test.png"
],
In your web page, you can try to load this file by i...
