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UIButton: set image for selected-highlighted state
... need to add addition line
[button setImage:[UIImage imageNamed:@"pressed.png"] forState:UIControlStateSelected | UIControlStateHighlighted];
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How to convert an image to base64 encoding?
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I think that it should be:
$path = 'myfolder/myimage.png';
$type = pathinfo($path, PATHINFO_EXTENSION);
$data = file_get_contents($path);
$base64 = 'data:image/' . $type . ';base64,' . base64_encode($data);
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How do you upload images to a gist?
...ry nice. The file extension of the gist makes a difference. I tried foobar.png and saw only text. Obviously, it must be *.md to attempt rendering of the markdown.
– Synesso
Jan 18 '19 at 0:38
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Fastest way to extract frames using ffmpeg?
... incurring more quality loss through quantization by transcoding to JPEG. (PNG is also lossless but tends to take much longer than JPEG to encode.)
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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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App Inventor 俄罗斯方块：画布实现的完整小游戏（附 .aia 源码） · App Inventor 2 中文网
...，⤓ 直接落到底（每格 +2 分）。
也可以直接在棋盘上操作：左右滑移动，下滑直接落底，点一下旋转。
消 1/2/3/4 行分别得 100/300/500/800 分 × 当前等级；每消 10 行升一级，下落间隔从 700 毫秒每级缩短 60 毫秒（最快 120 毫秒...
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")
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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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