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Find concatenated words among list of words - Stack Overflow I am trying to solve LeetCode problem 472 Concatenated Words: Given an array of strings words (without duplicates), return all the concatenated words in the given list of words A concatenated wo
c - Linux select () vs ppoll () vs pselect () - Stack Overflow I'd suggest by starting the comparison with select() vs poll() Linux also provides both pselect() and ppoll(); and the extra const sigset_t * argument to pselect() and ppoll() (vs select() and poll()) has the same effect on each "p-variant", as it were If you are not using signals, you have no race to protect against, so the base question is really about efficiency and ease of programming
Why does the literal value in a type long assignment still have an L . . . Or long long As clarification to the answer, integer literals choose their type based on a list of possible types and they take the first type that is able to represent the value The suffixes restrict the list of possible types E g an integer literal with no suffix is the first of the following types that can represent the value: int, long, or long long A literal with the L suffix chooses
What is 1LL or 2LL in C and C++? - Stack Overflow I was looking at some of the solutions in Google Code Jam and some people used this things that I had never seen before For example, 2LL*r+1LL What does 2LL and 1LL mean? Their includes look lik
io - cgroup blkio files cannot be written - Stack Overflow Not sure which flavour version of Linux you are using, on RHEL 6 x kernels, this was did not work for some reason, however it worked when I compiled on a custom kernel on RHEL and on other Fedora versions without any issues To check if supported on your kernel, run lssubsys -am | grep blkio Check the path if you can file the file blkio throttle read_bps_device However, here is an example of
Where to locate the Intel MKL in Matlab - Stack Overflow I have a MATLAB subscription and I have read that MATLAB uses Intel MKL libraries but I am not sure where to locate all the DLLs files corresponding to the Intel MKL libraries I could find any m
How to check if a process has disk I O requests in flight? I am wondering how to check if a process has some ongoing disk I O operations I tried to use Netlink to acquire blkio_delay_total, which is the cumulative delay of this process waiting for synchro