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Why does C++ compilation take so long?
Compiling a C++ file takes a very long time when compared to C# and Java. It takes significantly longer to compile a C++ file than it would to run a normal size Python script. I'm currently using VC++ but it's the same with any compiler. Why is this?
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How does a language expand itself? [closed]
I am learning C++ and I've just started learning about some of Qt 's capabilities to code GUI programs. I asked myself the following question:
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What does the restrict keyword mean in C++?
I was always unsure, what does the restrict keyword mean in C++?
6 Answers
6
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App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
...法直接使用。
其他方法
IsNull
使用此功能您可以测试指针是否指向某个对象。
ToDictionary / FromDictionary
这些函数使管理连接数据变得更加容易。ToDictionary 使用以下键创建一个包含对象所有属性的 Dictionary:Broker、Port、Connect...
Do you (really) write exception safe code? [closed]
... course, I do.
This is the reason Java lost a lot of its appeal to me as a C++ programmer (lack of RAII semantics), but I am digressing: This is a C++ question.
It is, in fact, necessary when you need to work with STL or Boost code. For example, C++ threads (boost::thread or std::thread) will throw ...
Why can't C++ be parsed with a LR(1) parser?
...eresting thread on Lambda the Ultimate that discusses the LALR grammar for C++.
It includes a link to a PhD thesis that includes a discussion of C++ parsing, which states that:
"C++ grammar is ambiguous,
context-dependent and potentially
requires infinite lookahead to resolve
some ambigu...
Checking if a double (or float) is NaN in C++
...rs such as g++ (with -fastmath) screw that up. the only general way, until c++0x, is to test for bitpattern.
– Cheers and hth. - Alf
Mar 26 '11 at 9:15
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Visual C++ 2008 Express Download Link Dead? [closed]
the programming class I am currently taking uses Visual C++ 2008, and to work from home, we have the option of getting the express edition. I can't find the download link anywhere on the website, and the Microsoft support was absolutely no help. I also looked into just using Visual C++ 2010 but I he...
C++模板-继承-具现化 - C/C++ - 清泛网 - 专注C/C++及内核技术
C++模板-继承-具现化今天在学习effective c++中的第49个条款时,遇到一个模板继承的方法,让我打开眼界,感慨万千啊!具体的代码如下:class NewHandlerHolde 今天在学习effective c++中的第49个条款时,遇到一个模板继承的方法,让我...
预编译头文件来自编译器的早期版本,或者预编译头为 C++ 而在 C 中使用它(...
预编译头文件来自编译器的早期版本,或者预编译头为 C++ 而在 C 中使用它(或相反)现象&原因:当 Visual C++ 项目启用了预编译头 (Precompiled header) 功能时,如果项目中同时混合有 .c 和 .cpp 源文件,则可能...现象&原因:
当 Visual C++...