Aman Jain questions

• Algorithm to find two repeated numbers in an array, without sorting
• How to set epoch for std::chrono::steady_clock in C++?
• How to scroll through command history of tmux?
• How to print a C structure recursively in gdb
• How to filter cscope output within Vim
• how are pthreads on linux seen by scheduler
• Algorithm for plotting a group of lines efficiently
• Algorithm for Finding a circle among 2n+3 points such that it contains n points inside, n points outside and 3 points on itself
• What's the best thing you've done with vim that helped your programming?
• How to debug a futex contention shown in strace?

Aman Jain answers