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What does T&& (double ampersand) mean in C++11?

...and copy assignment operator should both do memcpy(ptr, s.ptr, size) after testing that size != 0. And the default constructor should do memset(ptr,0, size) if size != 0. – kurt krueckeberg Dec 29 '19 at 22:38 ...
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How do I print a list of “Build Settings” in Xcode project?

...gxgf/ArchiveIntermediates/Project Distribution/IntermediateBuildFilesPath" TEST_AFTER_BUILD NO UID 501 UNLOCALIZED_RESOURCES_FOLDER_PATH project.app UNSTRIPPED_PRODUCT NO USER username USER_APPS_DIR ...
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In what order are Panels the most efficient in terms of render time and performance?

... concludes WPF drawing & measuring performance. It also has a drawing test application, results, and conclusions information for different operating systems that you want to target. share | im...
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Scala: Abstract types vs generics

... Example: if you want to pass three different fixture objects into tests, you'll be able to do so, but you'll need to specify three types, one for each parameter. Thus had I taken the type parameter approach, your suite classes could have ended up looking like this: // Type parameter versi...
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Why does the C preprocessor interpret the word “linux” as the constant “1”?

...the "Best One Liner" winner of the 1987 International Obfuscated C Code Contest, by David Korn (yes, the author of the Korn Shell) took advantage of the predefined unix macro: main() { printf(&unix["\021%six\012\0"],(unix)["have"]+"fun"-0x60);} It prints "unix", but for reasons that have abso...
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Simple C example of doing an HTTP POST and consuming the response

... Handle added. Added Host header. Added linux / windows support, tested (XP,WIN7). WARNING: ERROR : "segmentation fault" if no host,path or port as argument. #include <stdio.h> /* printf, sprintf */ #include <stdlib.h> /* exit, atoi, malloc, free */ #include <unistd.h> /...
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What is the copy-and-swap idiom?

...arked sequentially in the code as (n). The first is the self-assignment test. This check serves two purposes: it's an easy way to prevent us from running needless code on self-assignment, and it protects us from subtle bugs (such as deleting the array only to try and copy it). But in all other ca...
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Why shouldn't I use mysql_* functions in PHP?

...ove) $link = mysql_connect('localhost', 'user', 'pass'); mysql_select_db('testdb', $link); mysql_set_charset('UTF-8', $link); With PDO: All you need to do is create a new PDO object. The constructor accepts parameters for specifying the database source PDO's constructor mostly takes four paramete...
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Best architectural approaches for building iOS networking applications (REST clients)

... for me is difficult to understand some aspects. Maybe you can upload some test project on GitHub and give a link? – Denis Jul 24 '15 at 2:45 1 ...
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Best way to represent a fraction in Java?

... it if you want it. I've been dying to show this off somehow. :) Edit: Latest and greatest version of this code, including unit tests is now hosted on GitHub and also available via Maven Central. I'm leaving my original code here so that this answer isn't just a link... import java.math.*; /**...