... When I called Integer.toHexString((byte)0xff) it returned "ffffffff" because of sign extension. So one might need to take the last two characters of the returned string. – Marvo Jul 27 '12 at 2...

... If the script is the same across all users, you can use a lockfile approach. If you acquire the lock, proceed else show a message and exit. As an example: [Terminal #1] $ lockfile -r 0 /tmp/the.lock [Terminal #1] $ [Terminal #2] $ lockfile -r 0 /tmp/the....

...l, which means "input-output control" is a kind of device-specific system call. There are only a few system calls in Linux (300-400), which are not enough to express all the unique functions devices may have. So a driver can define an ioctl which allows a userspace application to send it orders. How...

...where it was started + a newline. Daemons work in the background and (usually...) don't belong to a TTY that's why you can't use stdout/stderr in the way you probably want. Usually a syslog daemon (syslogd) is used for logging messages to files (debug, error,...). Besides that, there are a few re...

...(git commit-tree -m "Throw away branch 'A'" -p A -p B B^{tree}) This basically acts like the (non-existent) merge -s theirs strategy. You can find the resulting history in the plumbing branch of the demo repository Not very readable and not as easy to remember compared to the -s ours switch, but it...

...ers no solutions in many cases (no solution to firefox on xp? no chrome at all?), is outdated and only contains a link and a comment of not much value. – nurettin Feb 13 '13 at 15:34 ...

... the GCC compiler. When my C++ program crashes I would like it to automatically generate a stacktrace. 28 Answers ...

... You're using SubString. Doesn't this loop allocate a horrible amount of string objects? – Wim Coenen Mar 6 '09 at 16:36 30 ...

..... Tracing open syscalls... Hit Ctrl-C to end. PID COMM FD ERR PATH 4235 head -1 2 tls/x86_64/x86_64/libc.so.6 4235 head -1 2 tls/x86_64/libc.so.6 4235 head -1 2 tls/x86_64/libc.so.6 4235 head -1 2 tls/lib...

..... Tracing open syscalls... Hit Ctrl-C to end. PID COMM FD ERR PATH 4235 head -1 2 tls/x86_64/x86_64/libc.so.6 4235 head -1 2 tls/x86_64/libc.so.6 4235 head -1 2 tls/x86_64/libc.so.6 4235 head -1 2 tls/lib...