There is a command line option for logging. The output is saved to screenlog.n file, where n is a number of the screen. From man pages of screen: ‘-L’ Tell screen to turn on automatic output logging for the windows.
Buffers are associated with a specific block device, and cover caching of filesystem metadata as well as tracking in-flight pages. The cache only contains parked file data. That is, the buffers remember what’s in directories, what file permissions are, and keep track of what memory is being written from or read to for a particular … Read more
Instances of Buffer are also instances of Uint8Array in node.js 4.x and higher. Thus, the most efficient solution is to access the buf.buffer property directly, as per https://stackoverflow.com/a/31394257/1375574. The Buffer constructor also takes an ArrayBufferView argument if you need to go the other direction. Note that this will not create a copy, which means that … Read more
This is a good description of its uses and shortcomings. You essentially use it whenever you need to do fast low-level I/O. If you were going to implement a TCP/IP protocol or if you were writing a database (DBMS) this class would come in handy.
Imagine that you’re eating candy out of a bowl. You take one piece regularly. To prevent the bowl from running out, someone might refill the bowl before it gets empty, so that when you want to take another piece, there’s candy in the bowl. The bowl acts as a buffer between you and the candy … Read more
A word of caution: “the w in bw does not stand for write but for wipeout!” More from manuals: :bd Unload buffer [N] (default: current buffer) and delete it from the buffer list. If the buffer was changed, this fails, unless when [!] is specified, in which case changes are lost. The file remains unaffected. If you … Read more
To clear the terminal manually: ⌘+K Command+K for newer keyboards To clear the terminal from within a shell script; /usr/bin/osascript -e ‘tell application “System Events” to tell process “Terminal” to keystroke “k” using command down’