Multiplexer poll

poll Like select, poll is also a ready event notification scheme. Poll has only one function, that is, waiting.Poll solves two select problems: there is no upper limit on the file descriptor that poll waits for.poll separates the input and output using variables. Therefore, each cycle does not need to be added again. Introduction to poll ...

Posted on Fri, 03 Dec 2021 23:43:14 -0500 by 2DaysAway

Super detailed sentence by sentence introduction to the file input / output buffer stream function BufferedReader and BufferedWriter function source code of Java advanced interface (full)

1, BufferedReader and BufferedWriter functions The BufferedReader function mainly reads text from the character input stream and buffers characters to provide effective reading of characters, arrays and lines. You can specify the buffer size or use the default size. For most purposes, the default value is large enough. BufferedWriter is mainly ...

Posted on Wed, 17 Nov 2021 20:23:31 -0500 by Chevy

Tricks of formatting output ioformat

Formatted output io:format is the first library function (io:format("Hello World") that I use when I come into contact with Erlang. With the in-depth study, it is also the simplest and direct tool I prefer for debug ging. However, in addition to its simple output, it has many advanced uses. Even with it, you can draw brilliant charts ...

Posted on Tue, 07 Sep 2021 20:06:18 -0400 by kulin