c++11 regex slower than python
hi i would like to understand why the following code which does a split string split using regex
c#
What does “Symbol not found / Expected in: flat namespace” actually mean?
When I import a module I built, I get this boost-python related error:
Run a python script with arguments
I want to call a Python script from C, passing some arguments that are needed in the script.
Why does argv include the program name?
Typical Unix/Linux programs accept the command line inputs as an argument count (int argc) and an argument vector (char *argv[]). The first element of argv is the program name – followed by the actual arguments.
Are threads implemented as processes on Linux?
I’m going through this book, Advanced Linux Programming by Mark Mitchell, Jeffrey Oldham, and Alex Samuel. It’s from 2001, so a bit old. But I find it quite good anyhow.
How do I kill all a user’s processes using their UID
I want to kill all running processes of a particular user from either a shell script or native code on a Linux system.
Why does a program with fork() sometimes print its output multiple times?
In Program 1 Hello world gets printed just once, but when I remove n and run it (Program 2), the output gets printed 8 times. Can someone please explain me the significance of n here and how it affects the fork()?
Why is FreeBSD deprecating GCC in favor of Clang/LLVM?
So I was surfing the net and stumbled upon this article. It basically states that FreeBSD, starting from Version 10 and above will deprecate GCC in favor of Clang/LLVM.
force output to input (buffer) like “33[6n” in a script
I have tried using pipes and redirections to have (C program or scripts) output end up on the input buffer, the way printf "33[6n" does, but no positive results.
How is the C library able to access environment variables?
How do functions like getenv(3) access the environment when my program doesn’t have any references to the environment?