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Scala: List[Future] to Future[List] disregarding failed futures
I'm looking for a way to convert an arbitrary length list of Futures to a Future of List. I'm using Playframework, so ultimately, what I really want is a Future[Result] , but to make things simpler, let's just say Future[List[Int]] The normal way to do this would be to use Future.sequence(...) ...
Why does `a == b or c or d` always evaluate to True?
I am writing a security system that denies access to unauthorized users.
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How do you reindex an array in PHP?
I have the following array, which I would like to reindex so the keys are reversed (ideally starting at 1):
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How to open a specific port such as 9090 in Google Compute Engine
I have 2 Google Compute Engine instances and I want to open port 9090 in both the instances. I think we need to add some firewall rules.
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Replace multiple strings with multiple other strings
I'm trying to replace multiple words in a string with multiple other words. The string is "I have a cat, a dog, and a goat."
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What is the lifetime of a static variable in a C++ function?
If a variable is declared as static in a function's scope it is only initialized once and retains its value between function calls. What exactly is its lifetime? When do its constructor and destructor get called?
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Best way to change the background color for an NSView
I'm looking for the best way to change the backgroundColor of an NSView . I'd also like to be able to set the appropriate alpha mask for the NSView . Something like:
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Plot two histograms on single chart with matplotlib
I created a histogram plot using data from a file and no problem. Now I wanted to superpose data from another file in the same histogram, so I do something like this
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How do you split a list into evenly sized chunks?
I have a list of arbitrary length, and I need to split it up into equal size chunks and operate on it. There are some obvious ways to do this, like keeping a counter and two lists, and when the second list fills up, add it to the first list and empty the second list for the next round of data, but t...
How to center canvas in html5
I've been searching for a solution for a while now, but haven't found anything. Maybe it's just my search terms.
Well, I'm trying to make the canvas center according to the size of the browser window. The canvas is 800x600.
And if the window gets below 800x600, it should resize as well(but that's no...