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What is a unix command for deleting the first N characters of a line?
For example, I might want to:
6 Answers
6
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cpuid汇编指令 - C/C++ - 清泛网 - 专注C/C++及内核技术
...CPU中，这一位将为1。
2、CPUID指令的执行方法
把功能代码放在EAX寄存器中，执行CPUID指令即可。例如：
mov eax, 1
cpuid
前面说过CPUID指令分为两组，一组返回基本信息，一组返回扩展信息，当执行返回基本信息的CPUID...
Strengths of Shell Scripting compared to Python [closed]
...g reuses entire programs.
Shell is universally available (on anything like Unix) - Python is not necessarily installed.
'Tis true that you can do everything in Python that you can do in shell; 'tis also true that there are things that are easy in Python that are hard in shell (just as there are th...
Pipe output and capture exit status in Bash
...There is a good explanation with examples of PIPESTATUS AND Pipefail here: unix.stackexchange.com/a/73180/7453.
– slm
Apr 21 '13 at 14:01
18
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Exit codes in Python
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Not sure at all. In Unix/Linux, the standard is: exit 0 in the case everything was ok. Type a command, then echo $?: if you read 0, it returned without an error. The idea is to have standard tests. If the code xyz.py did not encounter any error,...
Install tkinter for Python
... .tar.gz files for tcl and tk. Then open up the readme files inside the ./unix directory. I ran
cd ~/tcl8.5.11/unix
./configure --prefix=/home/cnel711 --exec-prefix=/home/cnel711
make
make install
cd ~/tk8.5.11/unix
./configure --prefix=/home/cnel711 --exec-prefix=/home/cnel711 --with-tcl=/home/...
How to mkdir only if a directory does not already exist?
...arents as a more readable alias, but this is not specified in POSIX/Single Unix Specification and not available on many common platforms like macOS, various BSDs, and various commercial Unixes, so it should be avoided.
If you want an error when parent directories don't exist, and want to create the...
女程序员做个梦，下面的评论惨绝人寰 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...晚梦见男朋友和别的女人在逛街，梦里我的第一反应是查源代码…结果调试半天查不出来为什么显示的是那个女人不是我，最后含泪把那个女人给注释掉了，再一运行就是我男朋友自己逛街了…醒来囧字脸呆了很久……
评论出...
程序闹鬼了... - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...置。大家都没告诉她猝死的事。某天晚上加班，妹子有段代码不会写，就让男朋...公司经常加班，程序员小五猝死了，后来来了一个妹子，坐的那个位置。大家都没告诉她猝死的事。
某天晚上加班，妹子有段代码不会写，就让...
ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网 - 专注IT技能提升
...异常的时候，会自动处理异常，而不需要额外的异常处理代码。
CComPtr和CComQIPtr的不同的地方：CComPtr只能创建固定的特定的接口指针实例。而CComQIPtr不但实现了CComPtr的所有的功能，而且当我们把一个不同类型的接口指针赋值给C...