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What does the (unary) * operator do in this Ruby code?
...ch all remaining method arguments in a method definition. In that case, it does not expand, but combine:
def method2(*args) # args will hold Array of all arguments
end
Some more detailed information here.
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Can Visual Studio 2012 be installed side-by-side w/ Visual Studio 2010?
...or Visual Studio 2010 if installed side-by-side on the same instance of Windows?
15 Answers
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ExecutorService that interrupts tasks after a timeout
...ever if the future is completed then the cancel will fast path out and not do any uneccesary work. If you do not want 10k extra cancel invocations then this may not work, but the amount of work done when a task is completed is very small.
– John Vint
May 3 '10...
Why use jQuery on() instead of click()
Currently with jQuery when I need to do something when a Click occurs I will do it like this...
10 Answers
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Why does C++ rand() seem to generate only numbers of the same order of magnitude?
... edited Jun 24 '13 at 7:44
dotslash
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answered Jun 20 '13 at 9:20
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Can You Get A Users Local LAN IP Address Via JavaScript?
I know the initial reaction to this question is "no" and "it can't be done" and "you shouldn't need it, you are doing something wrong". What I'm trying to do is get the users LAN IP address, and display it on the web page. Why? Because that's what the page I'm working on is all about, showing as muc...
A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
I have read a lot of docs and code that in theory will validate an in-app and/or bundle receipt.
3 Answers
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Get users by name property using Firebase
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Previously, Firebase required you to generate your own indexes or download all data at a location to find and retrieve elements that matched some child attribute (for example, all users with name === "Alex").
In October 2014, Firebase rolled out new querying functionality via the orderByCh...
How to create streams from string in Node.Js?
... case, one item).
Also note that in later nodes (probably 12.3, since the documentation says the function was changed then), it is no longer necessary to wrap the string in an array.
https://nodejs.org/api/stream.html#stream_stream_readable_from_iterable_options
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STAThread and multithreading
...ng COM, and none of the APIs you call use COM "under the covers", then you don't need to worry about apartments.
If you do need to be aware of apartments, then the details can get a little complicated; a probably-oversimplified version is that COM objects tagged as STA must be run on an STAThread, ...