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Programmatically generate video or animated GIF in Python?
I have a series of images that I want to create a video from. Ideally I could specify a frame duration for each frame but a fixed frame rate would be fine too. I'm doing this in wxPython, so I can render to a wxDC or I can save the images to files, like PNG. Is there a Python library that will al...
How do I break out of nested loops in Java?
I've got a nested loop construct like this:
35 Answers
35
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Zooming MKMapView to fit annotation pins?
I am using MKMapView and have added a number of annotation pins to the map about a 5-10 kilometre area. When I run the application my map starts zoomed out to show the whole world, what is the best way to zoom the map so the pins fit the view?
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How might I convert a double to the nearest integer value?
How do you convert a double into the nearest int?
8 Answers
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Preferred way to create a Scala list
There are several ways to construct an immutable list in Scala (see contrived example code below). You can use a mutable ListBuffer, create a var list and modify it, use a tail recursive method, and probably others that I don't know about.
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Opacity of background-color, but not the text [duplicate]
How do I make the cross-browser (including Internet Explorer 6) transparency for the background of a div while the text remains opaque?
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UITextfield leftView/rightView padding on iOS7
The leftView and rightView views of an UITextField on iOS7 are really close to the textfield border.
27 Answers
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Remove duplicated rows using dplyr
I have a data.frame like this -
6 Answers
6
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Maximum single-sell profit
Suppose we are given an array of n integers representing stock prices on a single day. We want to find a pair (buyDay, sellDay) , with buyDay ≤ sellDay , such that if we bought the stock on buyDay and sold it on sellDay , we would maximize our profit.
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