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How to use null in switch
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I'd also like to know the answer to @LuanNico's query. It seems unreasonable that null cannot be a valid case when working with String and enum types. Perhaps the enum implementation relies on calling ordinal() behind the scenes (though even...
lodash multi-column sortBy descending
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Actually this would be the answer now. sortBy does not give you direction, but orderBy does.
– Pablo Palacios
Mar 5 '18 at 19:01
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Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
...being assigned or passed as an argument. That is what we call a callback.
Now the question is, when is that callback called?
It depends on the case. Let's try to trace some common behavior again:
img.onload may be called sometime in the future, when (and if) the image has successfully loaded.
se...
What is an undefined reference/unresolved external symbol error and how do I fix it?
...ompiled a bunch of implementation files into object files or libraries and now you want to get them to work together.
Say you defined symbol a in a.cpp. Now, b.cpp declared that symbol and used it. Before linking, it simply assumes that that symbol was defined somewhere, but it doesn't yet care wher...
Prevent multiple instances of a given app in .NET?
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I've been using that for a couple years, but am now looking to change to a Mutex-based solution. I have customers that report issues with this and I suspect it's using Remoting to do it.
– Richard Watson
Jun 18 '09 at 8:28
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Could not find an implementation of the query pattern
... Thank, I was indeed missing my equality, which was stupid of me. But I now I am getting the following error: Error 1 Could not find an implementation of the query pattern for source type 'SilverlightApplication1.Web.tblPersoon'. 'Where' not found.
– Schoof
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Location Manager Error : (KCLErrorDomain error 0)
...ch ????????????????????????????????????????. Editing my question for more knowledge :)
– Vaibhav Saran
Sep 15 '14 at 11:14
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Anonymous method in Invoke call
...egate();
private delegate Hashtable ReturnHashtableDelegate();
// Now use the delegates and the delegate() keyword to create
// an anonymous method as required
// Here a case where there's no value returned:
public void SetTitle(string title)
{
myWindow.Invoke(new ...
Passing variable number of arguments around
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Please note that @ThomasPadron-McCarthy 's comment is now out of date and the final fprintf is ok.
– Frederick
Sep 13 '16 at 20:19
add a comment
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Render partial from different folder (not shared)
...l.ControllerContextRegion("Foo")) {
// Html.Action, Html.Partial, etc. now looks things up as though
// FooController was our controller.
}
There may be unwanted side effects for this if your code requires the controller route component to not change, but in our code so far, there doesn't ...