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Pointers, smart pointers or shared pointers? [duplicate]
I am programming with normal pointers, but I have heard about libraries like Boost that implement smart pointers. I have also seen that in Ogre3D rendering engine there is a deep use of shared pointers.
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Can't access object property, even though it shows up in a console log
...e the output from these two logs. The first clearly shows the full object with the property I'm trying to access, but on the very next line of code, I can't access it with config.col_id_3 (see the "undefined" in the screenshot?). Can anyone explain this? I can get access to every other property ex...
Drawing a dot on HTML5 canvas [duplicate]
Drawing a line on the HTML5 canvas is quite straightforward using the context.moveTo() and context.lineTo() functions.
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Do asynchronous operations in ASP.NET MVC use a thread from ThreadPool on .NET 4
...m the thread pool and the body of the IndexCompleted action is executed on it and the result rendered to the client.
So what we can see in this pattern is that a single client HTTP request could be executed by two different threads.
Now the interesting part happens inside the IndexAsync method. I...
When to use LinkedList over ArrayList in Java?
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Summary ArrayList with ArrayDeque are preferable in many more use-cases than LinkedList. If you're not sure — just start with ArrayList.
LinkedList and ArrayList are two different implementations of the List interface. LinkedList implemen...
What happens if I define a 0-size array in C/C++?
...e.
ISO 9899:2011 6.7.6.2:
If the expression is a constant expression, it shall have a value greater than zero.
The above text is true both for a plain array (paragraph 1). For a VLA (variable length array), the behavior is undefined if the expression's value is less than or equal to zero (par...
Create Generic method constraining T to an Enum
...on("T must be an enumerated type");
}
//...
}
This will still permit passing of value types implementing IConvertible. The chances are rare though.
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jQuery templating engines [closed]
...le they seem to work OK in FireFox they all seem to break down in IE7 when it comes down to rendering HTML tables.
18 Answe...
Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?
..."Anonymous" .
But Javascript currently doesn't have the other functionality. I'd recommend looking at CoffeeScript if you want an alternative syntax. It has some shorthand that is similar to what you are looking for.
For example The Existential Operator
zip = lottery.drawWinner?().address?.zi...
How to timeout a thread
I want to run a thread for some fixed amount of time. If it is not completed within that time, I want to either kill it, throw some exception, or handle it in some way. How can it be done?
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