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Problem with piping commands in C 繁体
2009年11月07 - I'm trying to create a simple shell in C for Unix. I've been able to do all the parsing of commands and execution, but I'm having a problem with piping. I think the problem is that I'm not hooking int

Having numbers generated in for loop how to output them as if their highest value was 1 and lowest 0 繁体
2011年02月05 - So I have a black and white image in OpenCV, currently I output each of its per pixel color values i

Haskell FFI / C MPFR library wrapper woes 繁体
2008年10月06 - In order to create an arbitrary precision floating point / drop in replacement for Double, I'm tryin

Split a large decimal number using shift operator 繁体
2014年09月20 - How to write a program in c to split a large number using shift operator ? 如何用c编写一个程序来使用移位运算符分割一个大的数字? For example we need to split a large number like 12345678 into two smaller digits 1234 and

Where are the functions in the C standard library defined? 繁体
2014年03月07 - I'm not interested in the source code, I want to know how the C compiler (GCC) actually finds the functions. As in, when the preprocessor sees that I've included stdio.h, where does it look to find th

How to delete multiple flash addresses in C? 繁体
2017年04月24 - I try to erase flash address in stm32l011k4. My code like that; 我尝试擦除stm32l011k4中的flash地址。我的代码就是这样;

Set CPU affinity when create a thread 繁体
2014年07月09 - I want to create a C++11 thread which I want it to run on my first core. I find that pthread_setaffinity_np and sched_setaffinity can change the CPU affinity of a thread and migrate it to the specifie

Inspecting C pipelines passing through a program — border cases 繁体
2009年05月25 - I'm receiving from socket A and writing that to socket B on the fly (like a proxy server might). I would like to inspect and possibly modify data passing through. My question is how to handle border c

Obtain, portably, larger and faster (unsigned) integer type on a platform 繁体
2016年05月13 - Imagine the hypothetical case of a custom arbitrary precision integer type that must run as fast as

Why does sizeof(char + char) return 4? 繁体
2016年02月09 - char a, b; printf("%d", sizeof(a+b)); What will printf write to the screen? printf写入屏幕的内容是什


 
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