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Tag: linux

How can I LD_PRELOAD my own compiled library?

I was wondering how this works, creating a library and preloading it so a program can use it instead of the one in the include statement. here is what I am doing and is not working so far . Then in the terminal: and finally which doesnt print 33, just random numbers… Answer Your programs are C programs, but the

PHP / Linux shell unwanted character

I have an HTML form (field with multiple lines) that feeds a PHP code that will read each line of the field, and generate a pdf file using the line string as name. My problem is that all but the last file have a trailing ‘?’ at the end of the file. I think that somehow the form is sending

Setup central MySQL server for local environment [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack Exchange site, you can leave a comment to explain where the question

creating an alias and then store?

I want to create an alias like cp, mv, and rm commands then somehow prompts the user for confirmation and store the commands in the bashrc file. how would I do this? do I just create an alias and then copy them or append them into the ~/.bashrc file? Answer Yes, just copy the exact alias command like it was

od –width=x option isn’t working. My path seems to be correct.

This is in my .bashrc file: But when I run: I get the message “od: –width=10: No such file or directory” Is there something wrong with my path? Answer It looks as if you pasted the –width option from something that improved the double-dash at the beginning of the option. That should be two ASCII – (minus-sign) characters. Pasting from

Using Fork for Command Line Arguements

I’m trying to execute the command “ls -l” but I’m not exactly sure how to approach it. This is what I’ve tried: However, the command doesn’t seem to work here. It works if I just simply use “ls” but I want to use “ls -l” is there another argument I have to pass to get this to work? Answer First

ACID Transactions at the File System

Background: I am getting a temperature float from an arduino via a serial connection. I need to be able to cache this temperature data every 30 seconds for other applications (e.g. web, thermostat controller) to access and not overload the serial connection. Currently I cache this data to RAM as a file in /run (I’m trying to follow Linux convention).

Eclipse 3.8 won’t see gtkmm.h

I’m quite new to C++ and I aspire to learn gtkmm. I’m using linux mint 17.2 and Eclipse 3.8. When I enter:#include <gtkmm.h> the compiler will complain and give this error: I’ve used synaptic and installed libgtkmm-3.0-dev and when I search for the header file locate gtkmm.h I get back the following path: So, now if enter to eclipse #include

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