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Are negative array indexes allowed in C?

...ss the array index is explicitly promoted to 64 bits (e.g. via a ptrdiff_t cast). I have actually seen a bug of his nature with the PowerPC version of gcc 4.1.0, but I don't know if it's a compiler bug (i.e. should work according to C99 standard) or correct behaviour (i.e. index needs a cast to 64 b...
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What column type/length should I use for storing a Bcrypt hashed password in a Database?

...password (using BCrypt) in a database. What would be a good type for this, and which would be the correct length? Are passwords hashed with BCrypt always of same length? ...
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How can I post an array of string to ASP.NET MVC Controller without a form?

... = ""; result += dic["firstname"] + dic["lastname"]; // You can even cast your object to their original type because of 'dynamic' keyword result += ", Age: " + (int) dic["age"]; if ((bool) dic["married"]) result += ", Married"; return result; } The real benefit of this solution i...
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Converting from a string to boolean in Python?

... have just spent 4 hours trying to debug my code. My mistake was trying to cast bool("False"). It will always cast to True. – Ev. Sep 2 '16 at 12:37  |  ...
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How to load all modules in a folder?

... List all python (.py) files in the current folder and put them as __all__ variable in __init__.py from os.path import dirname, basename, isfile, join import glob modules = glob.glob(join(dirname(__file__), "*.py")) __all__ = [ basename(f)[:-3] for f in modules if isfile(f) ...
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Why can't Python's raw string literals end with a single backslash?

..."" is a valid string literal consisting of two characters: a backslash and a double quote; r"\" is not a valid string literal (even a raw string cannot end in an odd number of backslashes). Specifically, a raw string cannot end in a single backslash (since the backslash would escape ...
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Where to install Android SDK on Mac OS X?

Where should the Android SDK be installed on Mac OS X? 12 Answers 12 ...
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Best way to detect Mac OS X or Windows computers with JavaScript or jQuery

...m trying to move a "close" button to the left side when the user is on Mac and the right side when the user is on PC. Now I'm doing it by examining the user agent, but it can be too easily spoofed for reliable OS detection. Is there a surefire way to detect whether the OS on which the browser is run...
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Fast ceiling of an integer division in C / C++

...promote the arguments into long long's? And doesn't that cost anything, up-casting or down-casting? – einpoklum Feb 13 '16 at 20:51 1 ...
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Unable to find specific subclass of NSManagedObject

... error: NSArray element failed to match the Swift Array Element type" when casting the NSManagedObject to its actual class. Actually not when casting itself, but when trying to go into a for loop. – Rodrigo Ruiz Mar 11 '15 at 2:22 ...