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Haskell error parse error on input `='
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"Learn you Haskell" doesn't mention this at all.
– Bakuriu
Jun 1 '13 at 7:40
2
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Listening for variable changes in JavaScript
...ve an array of listeners instead of a single one and then instead of just calling this.aListener(val), you would have to loop through all listener functions and call each one passing val. Typically, the method is called addListener instead of registerListener.
– Akira
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std::unique_lock or std::lock_guard?
...er you need to relock the guard.
std::unique_lock has other features that allow it to e.g.: be constructed without locking the mutex immediately but to build the RAII wrapper (see here).
std::lock_guard also provides a convenient RAII wrapper, but cannot lock multiple mutexes safely. It can be us...
ReactJS render string with non-breaking spaces
... contain characters such as &.
It also contains spaces. I want to replace all spaces with   .
6 Answers
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Which is better option to use for dividing an integer number by 2?
...ter of the compiler got to choose among several implementation choices, usually with substantial constraints. Here, one constraint is that the % and / operators must be consistent for both positive and negative operands so that (a/b)*b+(a%b)==a is true regardless of the signs of a and b. Usually, th...
Bootstrap dropdown sub menu missing
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"Submenus just don't have much of a place on the web right now, especially the mobile web. They will be removed with 3.0" - https://github.com/twbs/bootstrap/pull/6342
But, with a little extra CSS you can get the same functionality.
Bootstrap 4 (navbar submenu on hover)
.navbar-nav li:hover...
ASP.NET MVC: No parameterless constructor defined for this object
...same exception occurs when a Model has no parameterless constructor.
The call stack was figuring a method responsible for creating a new instance of a model.
System.Web.Mvc.DefaultModelBinder.CreateModel(ControllerContext controllerContext, ModelBindingContext bindingContext, Type modelType)
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Alternatives to dispatch_get_current_queue() for completion blocks in iOS 6?
...d, while the completion block should run in whatever queue the method was called.
7 Answers
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What are the rules for calling the superclass constructor?
What are the C++ rules for calling the superclass constructor from a subclass one?
10 Answers
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How to get the root dir of the Symfony2 application?
...If you follow best practices, injecting the container should be avoided at all costs. As for the solution of getting web directory, I still use the one I provided above ;)
– Jovan Perovic
Apr 18 '16 at 10:19
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