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Does Swift have access modifiers?

... types of "private" and "fileprivate": class A { private var aPrivate: String? fileprivate var aFileprivate: String? func accessMySelf() { // this works fine self.aPrivate = "" self.aFileprivate = "" } } // Declaring "B" for checking the abiltiy of accessing...
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Accessing the index in 'for' loops?

... @user12379095 you probably have the data in the wrong type (a string) and you need to convert it to an actual list of numbers instead of a string. That is somewhat off topic here, please delete your comment and flag mine to be deleted as no longer needed when you see this. ...
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Why compile Python code?

...ytecode are generally not all that hard to reverse-compile unless you take extra steps to obfuscate them - merely compiling generally won't be sufficient. – EJoshuaS - Reinstate Monica Jul 12 '19 at 13:54 ...
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How do I “source” something in my .vimrc file?

...I know just put everything in _vimrc. A good practice is to keep all your extra files (plugins, colorschemes, snippets ...) in a separate (your own) vimfiles directory (which you can take with you). If you do :help vimfiles vim will tell your vimfiles directory should be located. It depends som...
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Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?

I want to slice a NumPy nxn array. I want to extract an arbitrary selection of m rows and columns of that array (i.e. without any pattern in the numbers of rows/columns), making it a new, mxm array. For this example let us say the array is 4x4 and I want to extract a 2x2 array from it. ...
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How to make an enum conform to a protocol in Swift?

...This is my attempt: protocol ExampleProtocol { var simpleDescription: String { get } mutating func adjust() } enum ExampleEnum : ExampleProtocol { case Base, Adjusted var simpleDescription: String { return self.getDescription() } func getDescription() -> String...
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Converting RGB to grayscale/intensity

...th 32 bits i.e. 4 bytes per pixel unsigned int fourBytes; unsigned char r,g,b; for (int index=0;index<width*height;index++) { fourBytes=pntrBWImage[index];//caches 4 bytes at a time r=(fourBytes>>16); g=(fourBytes>>8); ...
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What are these ^M's that keep showing up in my files in emacs?

... fix them yourself. Edit: I found the following Python sample code here: string.replace( str, '\r', '' ) share | improve this answer | follow | ...
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Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone

..., the data is offset appropriately and +01:00 (or similar) is added to the string. Stripping off the tz_info value (using tz_convert(tz=None)) doesn't doesn't actually change the data that represents the naive part of the timestamp. So, the only way to do what you want is to modify the underlyin...
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Can we write our own iterator in Java?

...ntIndex. Below is an example of using this API... public static void main(String[] args) { // create an array of type Integer Integer[] numbers = new Integer[]{1, 2, 3, 4, 5}; // create your list and hold the values. SOList<Integer> stackOverflowList = new SOList<Integer&g...