gcc - a classic interview question on C language under Linux

If you use the GCC compiler to execute the following program under Linux, what is the output? {Code...} The answer is as follows: {Code...} I can understand the answer of 7 6 6, but I really can't understand why the output of LINUX GCC compiler is 7 6 8. Although I know this is undefiend behavior...

巴扎黑 2017-06-26 10:59:11 0 2 704

Linux's next classic C language interview question

If you use the GCC compiler to execute the following program under Linux, what is the output? {Code...} I don’t understand very well. What’s the special syntax for enum type data in C language? Original question source: Several classic interview questions in C language under Linux

扔个三星炸死你 2017-06-26 10:59:04 0 1 868

A classic interview question in C language under Linux

If you use the GCC compiler to execute the following program under Linux, what is the output? {Code...} Just know that it involves type conversion, data truncation and filling. But don’t know the specific explanation? Original question source: Several classic interview questions in C language under ...

过去多啦不再A梦 2017-06-26 10:59:02 0 2 834

c++ - How to write data at a specific address in the .text section using gcc

1. Now I need to insert some data into a certain address of .text (code segment). For example {'a','b','c','d','e','f','g','g'}, the code used is char sgy_data2[32] __attribute__((section(" .mysection1"))) = {'a','b','c','d','e','f','g','g'}...

PHP中文网 2017-06-10 09:48:37 0 1 763

linux - How do I know if gcc g++ is installed in my centos?

I want to know how to know if gcc g++ is installed in my system

我想大声告诉你 2017-05-27 17:44:48 0 6 707

mingw - How to set the saving location of generated files in gvim/vim?

My vim and mingw are installed on the E disk. When I write the c file, the command in vim: w 1.c will generate 1.c in E:\vim\vim74, and using mingw also requires gcc + c file location, The generated a.exe is saved in C:\Users\user>. Is there any way to make it easier for me to operate? For ex...

大家讲道理 2017-05-16 16:40:49 0 1 357

Win+MinGW cannot use gdb to debug C++ compiled exe

The system is Windows 10 x64, MinGW has been installed, the version is: mingw32-gcc 5.3.0-3mingw32-gcc-g++ 5.3.0-3mingw32-gdb 7.6.1-1 Now I try to compile and debug a cpp code test1.cpp: {code...} Then use g++ to compile: g++ -g test1.cpp -o ...

巴扎黑 2017-05-16 13:28:15 0 1 601

linux - What is the difference between gcc and gcc-c++

When I install the compiler, I don't know the difference between yum install gcc and yum install gcc-c++. Is there any difference?

天蓬老师 2017-05-16 13:24:14 0 1 440

ubuntu环境使用gcc编译objective-c多个文件出现问题如何解决？

问题描述 今天在学习过程中写了两个类，编译过程中出现 Making all for tool Programe...Compiling file Programe.m ...Linking tool Programe ..../obj/Programe.obj/Programe.m.o:(.data.rel+0x20)：对‘__objc_...

曾经蜡笔没有小新 2017-05-02 09:26:20 0 0 371

git - 请问各位有没有在windows 7 64bit上使用gcc/g++和CUDA matlab nvmex的经验？

如题，这样可行吗？该是用mingw好还是用cygwin好啊？

为情所困 2017-05-02 09:20:43 0 2 523

redis编译报错：cannot find -lgcc_s

经查，在/usr/lib下没有libgcc_s.so文件，使用yum install libgcc_s-dev也找不到对应的安装包: {代码...} 请问要怎么解决？ 后发现在/usr/lib/gcc/x86_64-redhat-linux/4.8.5目录下找到了libgcc_s.so，软连接到了...

滿天的星座 2017-04-27 09:03:49 0 1 693

node - CentOS 用yum安装gcc-c++为啥最新版本是4.4？

在VPS搭建node环境，下了个node（4.4版本），需要4.8+ 的gcc，但是yum c++之后只能是4.4版本，而且还是最新的 .... 如果手动安装新的gcc 有什么要注意的地方么...

给我你的怀抱 2017-04-25 09:04:40 0 1 477

以下Dockerfile为何build不了？问题出在哪里？

FROM ubuntuLABEL Description="test" Vender="test" Version="1.0"RUN apt-get update && apt-get install -y git gcc g++ tmux apt-utils mysql-client mysql-serv

天蓬老师 2017-04-25 09:04:30 0 2 729

centos下编译gcc的时候报错，没有c编译器

我通过如下的方式在centos下编译安装gcc {代码...} 感觉有点矛盾，想要安装c/c++编译器，然后需要c编译器 不知大家有没有什么遇到过或者知道有什么解决方案的呢? 在一些帖子上有用yum安装gcc是很方便，但是还是喜...

淡淡烟草味 2017-04-25 09:01:10 0 3 684

apache - ubuntu怎样无网络下源码安装g++

c++应该已经安装。关闭问题。 --------------------更新分割线，以下旧版-------------------- 系统：ubuntu 12.04gcc源码下载于官网镜像http://mirrors-usa.go-parts.com/gcc/releases/gcc-4.7.4/看图gcc应该是...

巴扎黑 2017-04-22 08:56:11 0 1 218

gcc - 在win下载vim可以安装在ubuntu上面吗？

我的电脑装了ubuntu但不能上网，所以想安装vim就只能在win下下载安装，但是不知道能不能安装，还有在哪里下呢？百度vim弹出来的网页，都感觉不靠谱。所以，在哪安装呢？ 还有个问题，ubuntu上面写代码，gcc不是自...

黄舟 2017-04-22 08:55:28 0 7 334

ubuntu下编写C程序，如何看输出结果？

如题，我在UBUNTU系统下利用记事本编写了一段C程序,程序如下： {代码...} 利用终端查看，命令如下： gcc -g -Wall hello.c -o hello.c 结果出现这样的错误： {代码...} 这个是什么问题呢？如何才能看到文字输出？

黄舟 2017-04-21 10:55:21 0 6 395

java - C++ 编译器选择问题

平时用codeblocks，编译时出现这些问题，上网查结果很少，要么跳转要英文网站，请问这是因为这款软件默认GCC编译而提示这样的错误（gcc的特定语法？）还是英文导致搜索结果少（我用百度） 处理这些问题老是半天都...

PHP中文网 2017-04-18 10:51:30 0 3 368

python - 安装Airflow报错

按照官方文档，通过pip install来安装 pip install airflow 安装很慢, 后面还报错： x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv-O2 -Wall -Wstrict-prototypes -fPIC -DHAVE_SYS_P...

巴扎黑 2017-04-18 10:08:47 0 3 455

java - c++ gcc多文件链接出现undefined reference to怎么解决？

我想不是代码的错，试了用vc98可以编译，但是用gcc就不行，用gcc写其他链接还是这个问题。我还把代码贴上来吧。头文件..................... {代码...} 源文件1................................. {代码...} main...

天蓬老师 2017-04-18 10:08:01 0 4 325