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Allowing interaction with a UIView under another UIView
... UIView that lies under another UIView - where there are no actual objects from the top UIView on top of the button?
19 ...
Can I run multiple programs in a Docker container?
I'm trying to wrap my head around Docker from the point of deploying an application which is intended to run on the users on desktop. My application is simply a flask web application and mongo database. Normally I would install both in a VM and, forward a host port to the guest web app. I'd like to ...
What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }
...//I'm named!
}
}
In the above scenario, you can call globalFunction() from anywhere, but you cannot call localFunction1 or localFunction2.
What you're doing when you write (function() { ... })(), is you're making the code inside the first set of parentheses a function literal (meaning the whol...
In C#, What is a monad?
...ing all day is combining some functions together to build bigger functions from them. Usually you have not only functions in your toolbox but also other things like operators, variable assignments and the like, but generally your program combines together lots of "computations" to bigger computation...
Why does X[Y] join of data.tables not allow a full outer join, or a left join?
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To quote from the data.table FAQ 1.11 What is the difference between X[Y] and merge(X, Y)?
X[Y] is a join, looking up X's rows using Y (or Y's key if it has one) as an index.
Y[X] is a join, looking up Y's rows using X (or X'...
C++ performance challenge: integer to std::string conversion
...trange metric, especially seeing how you don't remove trailing whitespaces from the string in your implementations. My updated code runs faster than your implementation with x64 VC++ 2005 on Core i7 920 (16.2M ops/s vs. 14.8M ops/s), _ltoa does 8.5M ops/s and sprintf() does 3.85M ops/s.
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When should we use Observer and Observable?
...ause it separates the part where you say that the Observable has changed, from the part where you notify the changes. (E.g. Its useful if you have multiple changes happening and you only want to notify at the end of the process rather than at each small step). This is done through setChanged(). So ...
How to display nodejs raw Buffer data as Hex string
The following code uses SerialPort module to listen to data from a bluetooth connection.
2 Answers
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Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?
...s based, also had no use for powers (it didn't have floating point at all, from memory).
As an aside, an integral power operator would probably have been a binary operator rather than a library call. You don't add two integers with x = add (y, z) but with x = y + z - part of the language proper ...
Conversion from Long to Double in Java
...could simply do :
double d = (double)15552451L;
Or you could get double from Long object as :
Long l = new Long(15552451L);
double d = l.doubleValue();
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