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In CMake, how can I test if the compiler is Clang?

... A reliable check is to use the CMAKE_<LANG>_COMPILER_ID variables. E.g., to check the C++ compiler: if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang") # using Clang elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU") # using GCC elseif (CMAKE_CXX_COMPILER_ID STREQ...
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NSUserDefaults - How to tell if a key exists

I'm working on a small iPhone app, and I am using NSUserDefaults as my data persistence. It only has to keep track of a few things, such as some names and some numbers so I figure I might as well keep it simple. ...
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Usage of protocols as array types and function parameters in swift

...help overcome this limitation in some cases. struct AnyX { private let _x: () -> Int var x: Int { return _x() } init<T: X>(_ some: T) { _x = { some.x } } } // Usage Example struct XY: X { var x: Int var y: Int } struct XZ: X { var x: Int var z: In...
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How to send SMS in Java

... if all you want is simple notifications, many carriers support SMS via email; see SMS through E-Mail share | improve this answ...
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How to handle static content in Spring MVC?

...ping a webapp using Spring MVC 3 and have the DispatcherServlet catching all requests to '/' like so (web.xml): 23 Answer...
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Why does `a == b or c or d` always evaluate to True?

...r is more literal minded. if name == "Kevin" or "Jon" or "Inbar": is logically equivalent to: if (name == "Kevin") or ("Jon") or ("Inbar"): Which, for user Bob, is equivalent to: if (False) or ("Jon") or ("Inbar"): The or operator chooses the first argument with a positive truth value: if ("Jon")...
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How to correctly save instance state of Fragments in back stack?

... This is not related to question, onSaveInstance is not called when fragment is putted to backstack – Tadas Valaitis Jan 7 '15 at 10:14  |...
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ASP.NET MVC: Is Controller created for every request?

...ther controller. The short version is that ControllerActivator.Create is called (for every request) to create a Controller (which inits a new Controller either through the DependencyResolver or through the Activator if no Resolver has been set up): public IController Create(RequestContext requestC...
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How to add “active” class to Html.ActionLink in ASP.NET MVC

...ges, it would be smart to have a way to apply that selected class automatically based on the current page rather than copy the menu multiple times and do it manually. The easiest way is to simply use the values contained in ViewContext.RouteData, namely the Action and Controller values. We could b...
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Python - When to use file vs open

...bove natively support the with statement. In Python 2.5, you must add from __future__ import with_statement to the top of your code. – IceArdor Jul 14 '14 at 20:40 ...