Okay so my question is this. Say I have a simple C++ code: Now say I have this program that I would like to run in my program, call it prog. Running this in the terminal could be done by: Is there a way to just do this from my simple C++ program? For instance Any feedback would be very
Tag: linux
Why do I get permission denied when I try use “make” to install something?
I’m trying to install something and it’s throwing me an error: Permission denied when I try to run make on it. I’m not too fond of the universal rules of unix/linux and not too fond of user rights either. My best guess is that the user I’m logged in as does not have the privileges to r…
Re-opening stdout and stdin file descriptors after closing them
I’m writing a function, which, given an argument, will either redirect the stdout to a file or read the stdin from a file. To do this I close the file descriptor associated with the stdout or stdin, so that when I open the file it opens under the descriptor that I just closed. This works, but the proble…
Need a simple Linux C++ IDE (Android NDK) [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. We don’t allow questions seeking recommendations for books, tools, software libraries, and more. You can edit the question so it can be answered with facts and citations. Closed 2 years ago. Improve this ques…
How to change a word in a file with linux shell script
I have a text file which have lots of lines I have a line in it which is: MyCar on how can I turn my car off? Answer You could use sed:
How to convert m4v and wmv videos to mp4 format using ffmpeg?
I am using ffmpeg to convert videos to mp4 in my PHPMotion project. I am not able to convert wmv and m4v video to mp4 format. I’ve pasted the command that I used to convert wmv and m4v: When I use this codes, i got an error message: How can I solve this issue? Answer For those who still find
Is XCB ready for production use? Should I use Xlib instead?
If one needs low level access to X11 events, windowing and input without using GTK, QT et al., should one use Xlib or XCB? What are the pros and cons of each? Answer You can use both of them. XCB is simpler to use, has a better response to a multithread environment but lacks documentation, while Xlib is a mor…
CentOS: Enabling GD Support in PHP Installation
How do I go about enabling GD Support in a CentOS Installation? Answer The thing that did the trick for me eventually was: and then restart apache:
ISPConfig 3, a ninja sets my open_basedir
I have a PHP library that I’d like to share to several vhosts on my server, but the open_basedir directive is causing troubles. I use ISPConfig 3 to manage the sites. PHP Warning: include(): open_basedir restriction in effect. File(/var/toaster/latest/__server/core/cms.php) is not within the allowed pat…
PostgreSQL psql terminal command
I’m trying to get psql to format nicely and am following the docs here. Right now, whenever I do a query on tables with lots of columns, no matter how big I make my screen each line overflows into the next line and producing a whole screen of unreadable junk. The docs (link is above) say there’s a…