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Visual Studio: ContextSwitchDeadlock
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But if you are performing a long running operation on the UI thread, then call Application.DoEvents() which explicitly pumps the message queue and then returns control to your current method.
However if you are doing this I would recommend at looking at your design so that you can perform proces...
How do you use vim's quickfix feature?
...t a javascript programmer, but it looks like the script exposes a function called "JavascriptLint", so if you want to call it manually, you can use :call JavascriptLint(). However, it works on the disk copy of the file, so it'll have to be saved first. If (and only if) the command line jsl works o...
IllegalArgumentException or NullPointerException for a null parameter? [closed]
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It seems like an IllegalArgumentException is called for if you don't want null to be an allowed value, and the NullPointerException would be thrown if you were trying to use a variable that turns out to be null.
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Can JavaScript connect with MySQL?
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I wouldn't call that "mix JS with PHP", though. What you might do is let PHP Code generate JavaScript Code/Data(json, e.g.) that it has retrieved from MySQL in advance. Or you might use PHP on a server to provide an http(json/REST/SOAP...
What is the copy-and-swap idiom?
...e assignment operator in terms of itself!
(Not only that, but unqualified calls to swap will use our custom swap operator, skipping over the unnecessary construction and destruction of our class that std::swap would entail.)
An in-depth explanation
The goal
Let's consider a concrete case. We w...
Why do I have to access template base class members through the this pointer?
...template parameter. Others are deferred until the parameter is known. It's called two-phase compilation, and MSVC doesn't do it but it's required by the standard and implemented by the other major compilers. If you like, the compiler must compile the template as soon as it sees it (to some kind of i...
Why does .NET foreach loop throw NullRefException when collection is null?
...r is "because that's the way the compiler designers designed it." Realistically, though, your collection object is null, so there's no way for the compiler to get the enumerator to loop through the collection.
If you really need to do something like this, try the null coalescing operator:
int[] a...
How to return a result from a VBA function
... also worth mentioning that the behaviour of the function differs when you call it from a spreadsheet, compared with calling it from another VBA function or Sub.
– Doug Jenkins
Sep 13 '18 at 23:08
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TSQL - How to use GO inside of a BEGIN .. END block?
I am generating a script for automatically migrating changes from multiple development databases to staging/production. Basically, it takes a bunch of change-scripts, and merges them into a single script, wrapping each script in a IF whatever BEGIN ... END statement.
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How can the Euclidean distance be calculated with NumPy?
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There's a function for that in SciPy. It's called Euclidean.
Example:
from scipy.spatial import distance
a = (1, 2, 3)
b = (4, 5, 6)
dst = distance.euclidean(a, b)
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