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Detect permission of camera in iOS
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Check the AVAuthorizationStatus and handle the cases properly.
NSString *mediaType = AVMediaTypeVideo;
AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:mediaType];
if(authStatus == AVAuthorizationStatusAut...
Why does @foo.setter in Python not work for me?
So, I'm playing with decorators in Python 2.6, and I'm having some trouble getting them to work. Here is my class file:
4 A...
Running Composer returns: “Could not open input file: composer.phar”
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If you followed instructions like these:
https://getcomposer.org/doc/00-intro.md
Which tell you to do the following:
$ curl -sS https://getcomposer.org/installer | php
$ mv composer.phar /usr/local/bin/composer
Then it's likely that you, like me, ran those commands and didn't read ...
Why is WinRT unmanaged? [closed]
... WinRT, which is like .NET but unmanaged.
Why is it unmanaged? Is it a performance issue? Does it mean garbage collection is not suitable for lower level APIs?
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How to replace part of string by position?
...ative is to use String.Substring, but I think the StringBuilder code gets more readable.
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What would a “frozen dict” be?
I guess it could be something like collections.namedtuple , but that is more like a frozen-keys dict (a half-frozen dict). Isn't it?
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How to retrieve the dimensions of a view?
...hods getHeight() and getWidth() always return 0. This happens when I format the grid dynamically and also when I use an XML version.
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When to use next() and return next() in Node.js
... just better to always write return in front of res statements to avoid errors of setting headers after they were sent?
– Adam D
Sep 7 '18 at 6:46
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Preferred way of loading resources in Java
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Work out the solution according to what you want...
There are two things that getResource/getResourceAsStream() will get from the class it is called on...
The class loader
The starting location
So if you do
this.getClas...
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
... 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议
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