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C/C++ check if one bit is set in, i.e. int variable

...ave" to do it this way. But I usually write: /* Return type (8/16/32/64 int size) is specified by argument size. */ template<class TYPE> inline TYPE BIT(const TYPE & x) { return TYPE(1) << x; } template<class TYPE> inline bool IsBitSet(const TYPE & x, const TYPE &amp...
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How to determine if a list of polygon points are in clockwise order?

... This blog.element84.com/polygon-winding.html explains in simple english why this solution works. – David Zorychta May 17 '17 at 1:16 ...
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How to get .pem file from .key and .crt files?

...s with -----BEGIN and you can read it in a text editor: The file uses base64, which is readable in ASCII, not binary format. The certificate is already in PEM format. Just change the extension to .pem. If the file is in binary: For the server.crt, you would use openssl x509 -inform DER -outform ...
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Calling C++ class methods via a function pointer

... AraKAraK 84.6k3232 gold badges170170 silver badges228228 bronze badges ...
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Find MongoDB records where array field is not empty

...being wasted in the FETCH stage: gist.github.com/N-Coder/b9e89a925e895c605d84bfeed648d82c – NCode May 15 '18 at 6:58 I...
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How can I check if a single character appears in a string?

...erialVersionUID = 1L; private final long[] l = new long[1024]; // 65536 / 64 = 1024 public FastCharacterInStringChecker(final String string) { for (final char c: string.toCharArray()) { final int index = c >> 6; final int value = c - (index << 6); l[index] |...
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Appending HTML string to the DOM

...up environment (2019.07.10) MacOs High Sierra 10.13.4 on Chrome 75.0.3770 (64-bit), Safari 11.1.0 (13604.5.6), Firefox 67.0.0 (64-bit) on Chrome E (140k operations per second) is fastest, B (47k) and F (46k) are second, A (332) is slowest on firefox F (94k) is fastest, then B(80k), D (73k), E(...
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Add a custom attribute to a Laravel / Eloquent model on load?

... Jazerix 4,17999 gold badges3434 silver badges6464 bronze badges answered Jun 21 '13 at 13:06 Alexandre DanaultAlexandre Danault ...
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How to get disk capacity and free space of remote computer

...FreeSpaceEx -PassThru $freeBytesAvailable = New-Object System.UInt64 # differs from totalNumberOfFreeBytes when per-user disk quotas are in place $totalNumberOfBytes = New-Object System.UInt64 $totalNumberOfFreeBytes = New-Object System.UInt64 $l_result = $l_type::GetDiskFr...
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Use C++ with Cocoa Instead of Objective-C?

...s that use C++ and the Cocoa frameworks because Apple is not making Carbon 64-bit capable. C++ seems to be pretty vanilla in its implementation on Linux and Windows but on Mac OS X it seems like additional Apple specific pieces of code are required (like an Obj-C wrapper). It also seems that Apple i...