How to get rid of warning when copy_to_user(struct *file, const char __user *buf, size_t len, loff_t *off_t )

This is my myread and mywrite function of the null driver. #define SIZE 6 static char c[SIZE]; static ssize_t myread(struct file *file,char __user *buf,size_t len, loff_t *fops) { ...

Why in Linux, JButton, JLabel mouse clicked is missing or ignored? its not doing how the program supposed to do

I have this SSCCE where Jbutton is getting pressed by it does not do anything, also if i click in JLabel it also fails, its not reliable, many click is getting missed. But some other distro i...

Why does arm-linux-gnueabi-g++-4.4 always build a "7-A" binary?

I'm running Ubuntu 12:04LTS and installed arm-linux-gnueabi C and C++ compiler. The compiled binary won't run on my target board. It looks like even if I specify the cpu and arch, the compiler...

Python modules not found in virtualenv

I can't get modules to run in my virtual environment. Using pandas as an example: With the virtual env on I run yolk -l and get back (shortened...

Npm - 404 Not Found: 'ErrorHandler' after moving node project to new machine

I have moved my nodeJS project from a macbook to a vagrant virtualbox ubuntu hashicorp/precise32 machine. After I did this, npm install does not seem to work for me. Here is the output log. I...