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initialize a numpy array

... of given shape and type, without initializing entries. However, the mentality in which we construct an array by appending elements to a list is not much used in numpy, because it's less efficient (numpy datatypes are much closer to the underlying C arrays). Instead, you should preallocate the...
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Resizing an Image without losing any quality [closed]

... As rcar says, you can't without losing some quality, the best you can do in c# is: Bitmap newImage = new Bitmap(newWidth, newHeight); using (Graphics gr = Graphics.FromImage(newImage)) { gr.SmoothingMode = SmoothingMode.HighQuality; gr.InterpolationMode = I...
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Replace all non Alpha Numeric characters, New Lines, and multiple White Space with one Space

... add a comment  |  145 ...
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Concatenating two std::vectors

... I'd only add code to first get the number of elements each vector holds, and set vector1 to be the one holding the greatest. Should you do otherwise you're doing a lot of unnecessary copying. – Joe Pineda Oct 14 '08 at 16:11 ...
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JetBrains / IntelliJ keyboard shortcut to collapse all methods

I'm working on some legacy code that has a class that is 10,000+ lines of code and has 100s of methods. Is there a shortcut for any JetBrains IDE (since the shortcut would likely be shared across all of them) to collapse all the methods / functions so that only the method signatures are shown? ...
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How to make lists contain only distinct element in Python? [duplicate]

...from Python 3.6, but it says "the order-preserving aspect of this new implementation is considered an implementation detail and should not be relied upon". Since they're both based on hashes, I'd think set would be the same, but it's not mentioned, so apparently not: docs.python.org/3.6/whatsnew/3.6...
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How do I change the number of open files limit in Linux? [closed]

When running my application I sometimes get an error about too many files open . 4 Answers ...
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The simplest way to resize an UIImage?

In my iPhone app, I take a picture with the camera, then I want to resize it to 290*390 pixels. I was using this method to resize the image : ...
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How do I subtract minutes from a date in javascript?

...e this pseudo code into working js [don't worry about where the end date comes from except that it's a valid javascript date]. ...
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How can I fill out a Python string with spaces?

...3? Just wanted to add there is also rjust and center which work much the same way but for different alignments – radtek Jan 22 '15 at 13:37 21 ...