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GCC dump preprocessor defines

Is there a way for gcc/g++ to dump its preprocessor defines from the command line? I mean things like __GNUC__ , __STDC__ , and so on. ...
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Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?

This is what I found during my learning period: 10 Answers 10 ...
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How do you iterate through every file/directory recursively in standard C++?

...C++, technically there is no way to do this since standard C++ has no conception of directories. If you want to expand your net a little bit, you might like to look at using Boost.FileSystem. This has been accepted for inclusion in TR2, so this gives you the best chance of keeping your implementatio...
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Why do enum permissions often have 0, 1, 2, 4 values?

Why are people always using enum values like 0, 1, 2, 4, 8 and not 0, 1, 2, 3, 4 ? 7 Answers ...
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sed edit file in place

I am trying to find out if it is possible to edit a file in a single sed command without manually streaming the edited content into a new file and then renaming the new file to the original file name. I tried the -i option but my Solaris system said that -i is an illegal option. Is there a d...
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See changes to a specific file using git

...es for. Normally, git diff by itself shows all the changes in the whole repository (not just the current directory). share | improve this answer | follow | ...
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LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...实现。下面举两个例子。 例1.1 如何在LINGO中求解如下的LP问题: 在模型窗口中输入如下代码: min=2*x1+3*x2; x1+x2>=350; x1>=100; 2*x1+x2<=600; 然后点击工具条上的按钮 即可。 例1.2 使用LINGO软件计算6个发点8个收点的最小费用运...
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List goals/targets in GNU make that contain variables in their definition

... a fairly large makefile that creates a number of targets on the fly by computing names from variables. (eg foo$(VAR) : $(PREREQS)). Is there any way that gnu make can be convinced to spit out a list of targets after it has expanded these variables? ...
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Legality of COW std::string implementation in C++11

It had been my understanding that copy-on-write is not a viable way to implement a conforming std::string in C++11, but when it came up in discussion recently I found myself unable to directly support that statement. ...
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Center Oversized Image in Div

... center any huge element in the middle vertically and horizontally with respect to its parent no matter both of their sizes. .parent { position: relative; overflow: hidden; //optionally set height and width, it will depend on the rest of the styling used } .child { position: absolu...