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Returning binary file from controller in ASP.NET Web API
...rn result;
}
A few things to note about the stream used:
You must not call stream.Dispose(), since Web API still needs to be able to access it when it processes the controller method's result to send data back to the client. Therefore, do not use a using (var stream = …) block. Web API will di...
Blocks on Swift (animateWithDuration:animations:completion:)
... dat completion block syntax :(
– Chris Allinson
Sep 25 '16 at 0:19
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Rename a dictionary key
... this question seems to be asking, is impractical because dict keys are usually immutable objects such as numbers, strings or tuples. Instead of trying to modify the key, reassigning the value to a new key and removing the old key is how you can achieve the "rename" in python.
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Equivalent C++ to Python generator pattern
...to signal termination
In your trivial example, it's easy enough. Conceptually:
struct State { unsigned i, j; };
State make();
void next(State&);
bool isDone(State const&);
Of course, we wrap this as a proper class:
class PairSequence:
// (implicit aliases)
public std::iterat...
Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
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@rodfersou FYI: your example is wrong. stop is not actually the stop / end position but count / distance. (no offense, just to make people aware of the typo)
– F Lekschas
Jul 26 '18 at 2:45
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How to define “type disjunction” (union types)?
...str")
case _: Int => println("int")
}
}
And that's it. You can call foo(5) or foo("abc"), and it will work, but try foo(true) and it will fail. This could be side-stepped by the client code by creating a StringOrInt[Boolean], unless, as noted by Randall below, you make StringOrInt a seale...
Zero-pad digits in string
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First of all, your description is misleading. Double is a floating point data type. You presumably want to pad your digits with leading zeros in a string. The following code does that:
$s = sprintf('%02d', $digit);
For more informa...
How to call a stored procedure from Java and JPA
I am writing a simple web application to call a stored procedure and retrieve some data.
Its a very simple application, which interacts with client's database. We pass employee id and company id and the stored procedure will return employee details.
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Compiling problems: cannot find crt1.o
... that's 64bit. You need the 32bit support files. For that, you need to install them
sudo apt install gcc-multilib
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Python Pandas: Get index of rows which column matches certain value
... frame (whose data may be gibabytes). What about dftest? Doesn't this also allocate a very large intermediate object where the returned index may be very small, or even empty. Are these magically optimized away using lazy views. If not then surely there must be an efficient way.
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