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UNIX/Linux Programming

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Welcome to this board!
Welcome to the forum for UNIX and Linux programmers in C++.com! In this forum, users can to talk ab...
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remove a duplicate directory path
How do I remove a duplicate directory path in a dirs command stack?
[1 reply] : > How do I remove a duplicate directory path in a dirs command stack? ... (by salem c)
Sorry not really Unix, Linux question
How do you comment out a line in an SSH config file?
[1 reply] : See man ssh_config . The file format should be described in the begin... (by keskiverto)
operating systems
need help with this multiple choice question. When the process issues an I/O request: c. it is pl...
[4 replies] Last: d) (by againtry)
by Borneq
Strange linker errors
First I make and install velocypack, it was easy. Next I try make arangodb/fuerte Compilation was...
[3 replies] Last: My trial of solution: https://github.com/arangodb/velocypack/issues/7... (by Borneq)
dup2 and printf
1.the code is shown below: #include <stdio.h> #include <unistd.h> #include <fcntl.h> #include <st...
[6 replies] Last: Mixing C runtime buffered i/o with OS unbuffered i/o; ok yeah, I misse... (by kbw)
stl map for Eigen matrix
How to use stl map for Eigen::MatrixXd ? When i try to directly use it as std::map<Eigen::MatrixXd,...
[2 replies] Last: This would seem to be the crucial part of the message: YOU_MIXED_DIFF... (by MikeyBoy)
64 and 32 bit system calls
so reading from this table - https://chromium.googlesource.com/chromiumos/docs/+/master/constants/sy...
[2 replies] Last: Maybe this helps: https://unix.stackexchange.com/questions/338650/why-... (by kbw)
Operating systems and C/C++
Hi guys, so the most popular operating systems are written in a mix of assembly,C and C++(lesser ex...
[3 replies] Last: so the linker and compiler would create an executable right? the only... (by helios)
exit from all nested shell script
How to exit from all nested shell script calls once in a single command? ..and if any way how t...
[1 reply] : Can you run your sub-scripts as 'source' instead of 'bash' ? If not, ... (by dutch)
Multi Threading Design Problem
Hi All, I am working on the Event Processing Module. Below is the requirement: 1. There will be...
[2 replies] Last: Not sure why you'd use a std::queue, you probably want a concurrent qu... (by kbw)
shell to remove the first ie. earlier file/folder of list pattern with pairs of almost identical
How do Bash shell remove the first ie. earlier file/folder of list pattern with pairs of almost iden...
[7 replies] Last: Like for example creating a file called '-rf', then try and remove it... (by dhayden)
by Nekota
how to connect or add winuser.h
Hello guys, i'm using qt creator on kali linux, tell me please, how can i connect winuser.h, windows...
[4 replies] Last: Maybe you can try this: http://www.kegel.com/wine/cl-howto-win7sdk.htm... (by Thomas1965)
by koce
getnameinfo and tcp connection
I tried reworking the getaddrinfo() / getnameinfo() example from the man page, https://linux.die.net...
[3 replies] Last: Thank you. It's clear there're lot's of advanced stuff to explore, on... (by koce)
by volang
getsockopt with SO_CONNECT_TIME returns the time a socket been connected, but on linux SO_CONNECT_TI...
[3 replies] Last: What do you mean by connection time? The server sits around waiting f... (by kbw)
by volang
No output with cout
What's causing this? The first instruction in main: cout << "We are alive"; // this is not pri...
[3 replies] Last: You can on Windows if SEHs are mapped to C++ exceptions, as they used ... (by kbw)
by volang
Unable to bind: Address already in use
I'm new to linux , and getting this message alot while testing and re-running my server. Unable...
[2 replies] Last: Thanks brother (by volang)
by kwe
C++ Graphics - Lin
I’m pretty experienced with C++, but I’ve never done anything with graphics before. I’m workin...
[1 reply] : I'm confused, why are you following Linux instructions when you're usi... (by salem c)
Vector3d to Vector3i conversion eigen
What is the eigen way of converting vector3d to vector3i or vector2i. Eg. how do i convert vector3d...
[1 reply] : If worst comes to worst, you can just write a simple function to do it... (by Ganado)
Sorry not to be really Linux..
Sorry not to be really Linux but I found noone answers this at any eminent forum Will git merge of ...
[3 replies] Last: r u really sure ?! I'm absolutely, completely sure. Nobody would set ... (by helios)
  Archived months: [jun2020]