Hao Shen

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Hao Shen has asked 23 questions and find answers to 2 problems.

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Hao Shen questions

In bash script, is it possible to echo something into the beginning of file?
how qemu-kvm create a VM thread internally?
How do I know whether a pointer points to a specific structure or not?
How can the linux CFS scheduler prevent a task with a very small vruntime from starving the processor?
In pytest, how to make sure the module level fixture is called before class level
In bash, how to use a variable as part of the name of another variable?
Why shouldn't we have dynamic allocated memory with different size in embedded system
Using Python dateutil, how to judge a timezone string is "valid" or not?
Does Android(on ARM) have the hardware performance counters?
Will ctrl+c send SIGINT signals to both parent and child processes in Linux?

Hao Shen answers

How can the linux CFS scheduler prevent a task with a very small vruntime from starving the processor?
In Python, how to deep copy the Namespace obj "args" from argparse