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Ask for User Permission to Receive UILocalNotifications in iOS 8

...serNotificationCategory() notificationCategory.identifier = "INVITE_CATEGORY" notificationCategory.setActions([replyAction], forContext: UIUserNotificationActionContext.Default) //registerting for the notification. application.registerUserNotificationSettings(UIUserN...
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How to convert a string from uppercase to lowercase in Bash? [duplicate]

...ing to find a way to convert a string value from upper case to lower case. All the search results show approaches of using tr command. ...
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Get list of a class' instance methods

... You actually want TestClass.instance_methods, unless you're interested in what TestClass itself can do. class TestClass def method1 end def method2 end def method3 end end TestClass.methods.grep(/method1/) # => [] ...
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How to call an async method from a getter or setter?

...ll get populated without blocking the UI, when getTitle() returns. string _Title; public string Title { get { if (_Title == null) { Deployment.Current.Dispatcher.InvokeAsync(async () => { Title = await getTitle(); }); } return _Title; } ...
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Android Fragment lifecycle over orientation changes

...mit(); } else { // do nothing - fragment is recreated automatically } Be warned though: problems will occur if you try and access Activity Views from inside the Fragment as the lifecycles will subtly change. (Getting Views from a parent Activity from a Fragment isn't easy). ...
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Mean per group in a data.frame [duplicate]

... the many ways to specify the variables to act on. Here, vars(-Month) says all variables except Month. share | improve this answer | follow | ...
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Delete an element from a dictionary

... use an an already constructed dict without a single item as **kwargs, some_function(**{k:v for k,v in some_dict.items() if k not 'some_key'}) – Cole Nov 19 '17 at 21:14 ...
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App Inventor 2 TextboxUtil 扩展:消除输入框焦点(光标) · App Inventor 2 中文网

...点击确认按钮,提交文本并清除输入框焦点: when 按钮_确认.Click() { 标签_状态.Text = 文本输入框_姓名.Text TextboxUtil1.RemoveFocus(文本输入框_姓名) } 如果页面有多个输入框,可以在提交、取消和切换页面时都执行一次清除焦点...
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How are VST Plugins made?

... VST2. These tutorials cover creating plugins that run on Win/Mac, 32/64, all plugin formats from the same code base. share | improve this answer | follow | ...
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What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?

...lt;module> TypeError: unsupported operand type(s) for >>: 'builtin_function_or_method' and '_io.TextIOWrapper'. Did you mean "print(<message>, file=<output_stream>)"? Since this error is raised when the code runs, rather than when it is compiled, it doesn't have access to the ...