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On POSIX systems, the file descriptor for standard input is 0 (zero); the POSIX <unistd.h> definition is STDIN_FILENO; the corresponding C <stdio.h> abstraction is provided via the FILE* stdin global variable. Similarly, the global C++ std::cin variable of type <iostream> provides an abstraction via C++ streams.
Introduced in Python 2.2 as an optional feature and finalized in version 2.3, generators are Python's mechanism for lazy evaluation of a function that would otherwise return a space-prohibitive or computationally intensive list. This is an example to lazily generate the prime numbers:
sudo is unable to pipe the standard output to a file. By dumping its stdout stream into /dev/null , we also suppress the mirrored output in the console. The command above gives the current user root access to a server over ssh, by installing the user's public key to the server's key authorization list.
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Such pipemill may not perform as intended if the body of the loop includes commands, such as cat and ssh, that read from stdin: [12] on the loop's first iteration, such a program (let's call it the drain) will read the remaining output from command, and the loop will then terminate (with results depending on the specifics of the drain). There ...
Read On The Fox News App. The high altitude of flights means that food and drinks, especially tomato juice, taste different than they do on the ground.
Garrett Nussmeier threw for 304 yards and three touchdowns as LSU beat Baylor 44-31 in the Texas Bowl on Tuesday. Nussmeier, who finished 24 of 34, tossed scoring passes of 10 yards and 1 yard to ...
Too much sugar can impact your risk of diabetes and cardiovascular disease. Here is why drinks are particularly a problem.