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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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Finding the source code for built-in Python functions?

... particular module or function is implemented in you can usually print the __file__ attribute. Alternatively, you may use the inspect module, see the section Retrieving Source Code in the documentation of inspect. For built-in classes and methods this is not so straightforward since inspect.getfile...
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How to ALTER multiple columns at once in SQL Server

...LE statements. Try following: ALTER TABLE tblcommodityOHLC alter column CC_CommodityContractID NUMERIC(18,0); ALTER TABLE tblcommodityOHLC alter column CM_CommodityID NUMERIC(18,0); share | improv...
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What exactly is nullptr?

...hey have a type ( bool ). nullptr is a pointer literal of type std::nullptr_t, and it's a prvalue (you cannot take the address of it using &). 4.10 about pointer conversion says that a prvalue of type std::nullptr_t is a null pointer constant, and that an integral null pointer constant can be...
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What is the use for Task.FromResult in C#

...nd this example: public class TextResult : IHttpActionResult { string _value; HttpRequestMessage _request; public TextResult(string value, HttpRequestMessage request) { _value = value; _request = request; } public Task<HttpResponseMessage> ExecuteAsync...
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How to get the name of the calling method?

...eem to work in Rails 5.2.1. In Rails controller this returns "block in make_lambda". I guess this is for Ruby only. – dcangulo Nov 14 '18 at 4:59 add a comment ...
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Are PHP include paths relative to the file or the calling code?

...f you want to make it matter, and do an include relative to B.php, use the __FILE__ constant (or __DIR__ since PHP 5.2 IIRC) which will always point to the literal current file that the line of code is located in. include(dirname(__FILE__)."/C.PHP"); ...
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'Java' is not recognized as an internal or external command

... You need to configure your environment variables, JAVA_HOME and PATH. JAVA_HOME must contain the path to java, and you should add %JAVA_HOME%\bin to PATH Alternatively, you can simply add to your PATH the whole path to the bin folder, without the JAVA_HOME variable, however, t...
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Capture characters from standard input without waiting for enter to be pressed

... use a library for that: conio available with Windows compilers. Use the _getch() function to give you a character without waiting for the Enter key. I'm not a frequent Windows developer, but I've seen my classmates just include <conio.h> and use it. See conio.h at Wikipedia. It lists getch(...
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What tools are there for functional programming in C?

... FFCALL lets you build closures in C -- callback = alloc_callback(&function, data) returns a function pointer such that callback(arg1, ...) is equivalent to calling function(data, arg1, ...). You will have to handle garbage collection manually, though. Relatedly, blocks have...