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使用App Inventor 2 控制物联网设备/低功耗蓝牙设备(BLE) · App Inventor 2 中文网
...de = new QRCode("qrcode", { text: window.location.href + "?f=share", //URL地址 width: 150, height: 150, colorDark: '#000000', //二维码颜色 colorLight: "#ffffff" //背景颜色}); App Inventor 2 中文网 © 2023 - document.write(new Date().getFullYear()); 跟...
How many socket connections can a web server handle?
...permits multiple applications to share the same server port under the HTTP URL schema. They each register a separate domain binding, but there is ultimately a single server application proxying the requests to the correct applications.
Update 2019-05-30
Here is an up to date comparison of the fastes...
RRSet of type CNAME with DNS name foo.com. is not permitted at apex in zone bar.com
...p API Gateway with a custom domain name and have a Cloudfront distribution url.
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How do API Keys and Secret Keys work? Would it be secure if I have to pass my API and secret keys to
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This url tells more details of Amazon S3 Auth implementation - docs.aws.amazon.com/AmazonS3/latest/dev/S3_Authentication2.html
– asyncwait
May 8 '14 at 12:30
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Bootstrap 3 Navbar with Logo
...y size and then just set the desired width:
.navbar-brand {
background: url(http://disputebills.com/site/uploads/2015/10/dispute.png) center / contain no-repeat;
width: 200px;
}
ORIGINAL ANSWER BELOW (for reference only)
People seem to forget about object-fit a lot. Personally I think it...
Valid to use (anchor tag) without href attribute?
... of fragment identifiers (#foo) or moving to a new document in the case of urls (/bar).
As links are a special type of button, they have often had their actions overridden to perform alternative functions. Continuing to use an anchor as a button is ok from a consistency standpoint, although it's no...
Best approach to real time http streaming to HTML5 video client
...00 mount=cam.webm
=> You can then use the <video> tag with the URL of the icecast-stream (http://127.0.0.1:12000/cam.webm) and it will work in every browser and device that supports webm
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Can I make a function available in every controller in angular?
...n(userId){
return $http({
method: 'GET',
url: '/api/user/friends/' + userId
});
}
....
}
}])
if you need more
Find More About Why We Need AngularJs Services and Factories
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Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
...less extra styles
Cons: attr in CSS can only apply to content strings, not URLs or RGB colors
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How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
...rencing Heroku's own code for setting up config/database.yml from DATABASE_URL in their Buildpack for Ruby, I ended up forking their repo and modified it to create config/secrets.yml from SECRETS_KEY_BASE environment variable.
Since this feature was introduced in Rails 4.1, I felt it was appropriat...