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Returning unique_ptr from functions

unique_ptr<T> does not allow copy construction, instead it supports move semantics. Yet, I can return a unique_ptr<T> from a function and assign the returned value to a variable. ...
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Smart pointers: who owns the object? [closed]

... For me, these 3 kinds cover most of my needs: shared_ptr - reference-counted, deallocation when the counter reaches zero weak_ptr - same as above, but it's a 'slave' for a shared_ptr, can't deallocate auto_ptr - when the creation and deallocation happen inside the same functi...
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What's the use of do while(0) when we define a macro? [duplicate]

...be executed regardless of whether foo holds. Edit: Further explanation at http://c-faq.com/cpp/multistmt.html and http://developer.apple.com/documentation/DeveloperTools/gcc-4.0.1/cpp/Swallowing-the-Semicolon.html#Swallowing-the-Semicolon ...
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ZeroMQ的学习和研究(PHP代码实例) - C/C++ - 清泛网 - 专注C/C++及内核技术

...otocol Buffers、Thrift、json 等等。 e) 虽然可以使用 ZMQ 实现 HTTP 协议,但是,这绝不是他所擅长的。 ZMQ 的 Publish-subscribe 模式 我们可以想象一下天气预报的订阅模式,由一个节点提供信息源,由其他的节点,接受信息源的信息,...
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Should we pass a shared_ptr by reference or by value?

When a function takes a shared_ptr (from boost or C++11 STL), are you passing it: 10 Answers ...
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Why does Java switch on contiguous ints appear to run faster with added cases?

... # [sp+0x20] (sp of caller) 0x00000000024f0160: mov DWORD PTR [rsp-0x6000],eax ; {no_reloc} 0x00000000024f0167: push rbp 0x00000000024f0168: sub rsp,0x10 ;*synchronization entry ...
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Does HTTP use UDP?

... Typically, no. Streaming is seldom used over HTTP itself, and HTTP is seldom run over UDP. See, however, RTP. For something as your example (in the comment), you're not showing a protocol for the resource. If that protocol were to be HTTP, then I wouldn't call the acce...
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C++ 智能指针shared_ptr,weak_ptr,shared_from_this实践 - C/C++ - 清泛网 - 专注C/C++及内核技术

C++ 智能指针shared_ptr,weak_ptr,shared_from_this实践new XXX(shared_from_this()) 如果用强指针去接,则增加引用计数;弱引用去接,不增加引用计数。auto去接等同强指针。weak_ptr 传给thread、timer回调,不能使用expired()判断 new XXX(shared_from_thi...
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TCP 的那些事儿(下) - 更多技术 - 清泛网 - 专注C/C++及内核技术

...可能出现DDoS攻击,Zero Window也不例外,一些攻击者会在和HTTP建好链发完GET请求后,就把Window设置为0,然后服务端就只能等待进行ZWP,于是攻击者会并发大量的这样的请求,把服务器端的资源耗尽。(关于这方面的攻击,大家可...
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Try-catch speeding up my code?

... sub esp,1Ch [0009] xor eax,eax [000b] mov dword ptr [ebp-20h],eax [000e] mov dword ptr [ebp-1Ch],eax [0011] mov dword ptr [ebp-18h],eax [0014] mov dword ptr [ebp-14h],eax [0017] xor eax,eax [0019] mov dword ptr [ebp-18h],eax *[0...