multiprocessing: How can I ʀᴇʟɪᴀʙʟʏ redirect stdout from a child process?

The solution you suggest is a good one: create your processes manually such that you have explicit access to their stdout/stderr file handles. You can then create a socket to communicate with the sub-process and use multiprocessing.connection over that socket (multiprocessing.Pipe creates the same type of connection object, so this should give you all the …

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How can I capture the stdout from a process that is ALREADY running

True solution for OSX Write the following function to your ~/.bashrc or ~/.zshrc. capture() { sudo dtrace -p “$1” -qn ‘ syscall::write*:entry /pid == $target && arg0 == 1/ { printf(“%s”, copyinstr(arg1, arg2)); } ‘ } Usage: example@localhost:~$ perl -e ‘STDOUT->autoflush; while (1) { print “Hello\n”; sleep 1; }’ >/dev/null & [1] 97755 example@localhost:~$ capture …

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How to save model.summary() to file in Keras?

If you want the formatting of summary you can pass a print function to model.summary() and output to file that way: def myprint(s): with open(‘modelsummary.txt’,’a’) as f: print(s, file=f) model.summary(print_fn=myprint) Alternatively, you can serialize it to a json or yaml string with model.to_json() or model.to_yaml() which can be imported back later. Edit An more pythonic …

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How to remove last character put to std::cout?

You may not remove last character. But you can get the similar effect by overwriting the last character. For that, you need to move the console cursor backwards by outputting a ‘\b’ (backspace) character like shown below. #include<iostream> using namespace std; int main() { cout<<“Hi”; cout<<‘\b’; //Cursor moves 1 position backwards cout<<” “; //Overwrites letter …

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