One of the things that get me thoroughly confused is the use of session.Flush,in conjunction with session.Commit, and session.Close. Sometimes session.Close works, e.g., it commits all the changes that I need. I know I need to use commit when I have a transaction, or a unit of work with several creates/updates/deletes, so that I can … Read more
How often does Python flush to a file? How often does Python flush to stdout? I’m unsure about (1). As for (2), I believe Python flushes to stdout after every new line. But, if you overload stdout to be to a file, does it flush as often? 5 Answers 5
Why does printf not flush after the call unless a newline is in the format string? Is this POSIX behavior? How might I have printf immediately flush every time? 10 s 10 The stdout stream is line buffered by default, so will only display what’s in the buffer after it reaches a newline (or when … Read more
How do I force Python’s print function to output to the screen? 1 13 In Python 3, print can take an optional flush argument: print(“Hello, World!”, flush=True) In Python 2 you’ll have to do import sys sys.stdout.flush() after calling print. By default, print prints to sys.stdout (see the documentation for more about file objects).
From the docs of the flush method: Flushes the output stream and forces any buffered output bytes to be written out. The general contract of flush is that calling it is an indication that, if any bytes previously written have been buffered by the implementation of the output stream, such bytes should immediately be written to their intended destination. … Read more
It depends on your console but if it supports ANSI escape sequences, then try this.. final static String ESC = “\033[“; System.out.print(ESC + “2J”); Also, you can print multiple end of lines (“\n”) and simulate the clear screen. At the end clear, at most in the unix shell, not removes the previous content, only moves … Read more
