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Spring Test & Security: How to mock authentication?

... Hi, while testing as mentioned by GKislin. I am getting following error "Authentication failed UserDetailsService returned null, which is an interface contract violation" . Any suggestion please. final AuthenticationRequest auth = new AuthenticationRequest(); auth.setUsername(us...
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数据存储组件 · App Inventor 2 中文网

... 云数据库是一个不可见组件,允许您将数据存储在连接到互联网的数据库服务器上(使用Redis),这样你的App上所有用户就能共享数据。 默认情况下,数据将存储在 MIT 维护的服务器中,但是您可以设置和运行自己的服务...
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多媒体组件 · App Inventor 2 中文网

...器组件是一个类似按钮的组件。当用户单击该组件时,将提示他们从系统中选择一个文件。 还可以通过调用其 打开 方法以编程方式打开选择器。 使用文件选择器组件需要 Android 4.4 或更高版本、iOS 11 或更高版本。要求AI伴侣v2...
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What integer hash function are good that accepts an integer hash key?

... seems to be based on the blog article Better Bit Mixing (mix 13). uint64_t hash(uint64_t x) { x = (x ^ (x >> 30)) * UINT64_C(0xbf58476d1ce4e5b9); x = (x ^ (x >> 27)) * UINT64_C(0x94d049bb133111eb); x = x ^ (x >> 31); return x; } For Java, use long, add L to the...
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Base64 length calculation?

... use doubles because we don't want to use the floating point ops, rounding errors etc. They are just not necessary. For this it is a good idea to remember how to perform the ceiling division: ceil(x / y) in doubles can be written as (x + y - 1) / y (while avoiding negative numbers, but beware of ov...
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“did you run git update-server-info” error on a Github repository

...b Gui from their website to manage my repos, and I'm getting the following error: 20 Answers ...
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Do I need to disable NSLog before release Application?

... Id not take logging out as it robs you of the ability to receive better error reports from users. use async logging and logLevels to limit the performance hit to almost zero! (see cocoa lumberjack or java's log4j – Daij-Djan Jan 30 '13 at 16:57 ...
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Android Camera : data intent returns null

...ile = createImageFile(); } catch (IOException ex) { // Error occurred while creating the File } startActivityForResult(intent, REQUEST_TAKE_PHOTO); } } @Override protected void onActivityResult(int requestCode, int resultcode, Intent intent) { if (reques...
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Matplotlib: “Unknown projection '3d'” error

... and am trying to run one of there example scripts. However I run into the error detailed below. What am I doing wrong? 5 ...
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How can i tell if an object has a key value observer attached

..."status") } catch let error as NSError { print(error.localizedDescription) } getting warning. ...