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Reset C int array to zero : the fastest way?

...e is doing something incorrect. #include<immintrin.h> #define intrin_ZERO(a,n){\ size_t x = 0;\ const size_t inc = 32 / sizeof(*(a));/*size of 256 bit register over size of variable*/\ for (;x < n-inc;x+=inc)\ _mm256_storeu_ps((float *)((a)+x),_mm256_setzero_ps());\ if(4 == sizeof(*(a)...
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Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit

... -1017, NSURLErrorAppTransportSecurityRequiresSecureConnection NS_ENUM_AVAILABLE(10_11, 9_0) = -1022, NSURLErrorFileDoesNotExist = -1100, NSURLErrorFileIsDirectory = -1101, NSURLErrorNoPermissionsToReadFile = -1102, NSURLErrorDataLengthExceedsMaximum NS_ENUM_AVAILABLE(10...
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Is it possible to import a whole directory in sass using @import?

... I create a file named __partials__.scss in the same directory of partials |- __partials__.scss |- /partials |- __header__.scss |- __viewport__.scss |- .... In __partials__.scss, I wrote these: @import "partials/header"; @import "parti...
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How can I color Python logging output?

...oreground with 30 #These are the sequences need to get colored ouput RESET_SEQ = "\033[0m" COLOR_SEQ = "\033[1;%dm" BOLD_SEQ = "\033[1m" def formatter_message(message, use_color = True): if use_color: message = message.replace("$RESET", RESET_SEQ).replace("$BOLD", BOLD_SEQ) else: ...
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What's the difference between using CGFloat and float?

...undation source code, in CoreGraphics' CGBase.h: /* Definition of `CGFLOAT_TYPE', `CGFLOAT_IS_DOUBLE', `CGFLOAT_MIN', and `CGFLOAT_MAX'. */ #if defined(__LP64__) && __LP64__ # define CGFLOAT_TYPE double # define CGFLOAT_IS_DOUBLE 1 # define CGFLOAT_MIN DBL_MIN # define CGFLOAT_MAX DBL_M...
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Python argparse mutual exclusive group

... add_mutually_exclusive_group doesn't make an entire group mutually exclusive. It makes options within the group mutually exclusive. What you're looking for is subcommands. Instead of prog [ -a xxxx | [-b yyy -c zzz]], you'd hav...
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Xcode 5.1 - No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=i

... What you need to do is just set the ONLY_ACTIVE_ARCH to NO (at least works for me). Below is a screenshot for it: EDIT: As far as I know (please point it out if there's something wrong, thanks), if you set ONLY_ACTIVE_ARCH to YES, it means the Xcode will only...
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Given a view, how do I get its viewController?

...nd This macro avoids category pollution: #define UIViewParentController(__view) ({ \ UIResponder *__responder = __view; \ while ([__responder isKindOfClass:[UIView class]]) \ __responder = [__responder nextResponder]; \ (UIViewController *)__responder; \ }) ...
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Get original URL referer with PHP?

I am using $_SERVER['HTTP_REFERER']; to get the referer Url. It works as expected until the user clicks another page and the referer changes to the last page. ...
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Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP

I've got this message warning on Netbeans 7.4 for PHP while I'm using $_POST , $_GET , $_SERVER , .... 5 Answers ...