On OSX the Activity Monitor gives you actually a very good guess. Private memory is for sure memory that is only used by your application. E.g. stack memory and all memory dynamically reserved using malloc() and comparable functions/methods (alloc method for Objective-C) is private memory. If you fork, private memory will be shared with you … Read more
This is because grep -q exits immediately with a zero status as soon as a match is found. The zfs command is still writing to the pipe, but there is no reader (because grep has exited), so it is sent a SIGPIPE signal from the kernel and it exits with a status of 141. Another … Read more
The sed on BSD does not support the \n representation of a new line (turning it into a literal n): $ echo “123.” | sed -E ‘s/([[:digit:]]*)\./\1\n next line/’ 123n next line GNU sed does support the \n representation: $ echo “123.” | gsed -E ‘s/([[:digit:]]*)\./\1\nnext line/’ 123 next line Alternatives are: Use a single … Read more
In good tradition, I can answer my own question once again: It seems that InetAddress.getLocalHost() ignores the /etc/resolv.conf, but only looks at the /etc/hosts file (where I hadn’t specified anything besides localhost). Adding the IP and hostname to this file solves the problem and the exception is gone. Another answer is almost correct and I … Read more
Short version which you can pass to kill command: lsof -i:80 -t
You need a space on either side of the !=. Change your code to: str=”Hello World” str2=” ” str3=”” if [ ! -z “$str” -a “$str” != ” ” ]; then echo “Str is not null or space” fi if [ ! -z “$str2” -a “$str2″ != ” ” ]; then echo “Str2 is not … Read more
On the system that has access to internet The pip download command lets you download packages without installing them: pip download -r requirements.txt (In previous versions of pip, this was spelled pip install –download -r requirements.txt.) On the system that has no access to internet Then you can use pip install –no-index –find-links /path/to/download/dir/ -r … Read more
MacPorts and Homebrew provide a coreutils package containing greadlink (GNU readlink). Credit to Michael Kallweitt post in mackb.com. brew install coreutils greadlink -f file.txt