sending the signal 0 to a given PID just checks if any process with the given PID is running and you have the permission to send a signal to it. For more information see the following manpages: kill(1) $ man 1 kill … If sig is 0, then no signal is sent, but error checking … Read more
Thinking in terms of a less tortuous solution, this, too, produces the CCC you desire. setlocal enabledelayedexpansion set AAA=BBB set BBB=CCC for /F %%a in (‘echo %AAA%’) do echo !%%a! edit: to dissect this answer: setlocal enabledelayedexpansion – this will allow for any environment variable setting during your bat to be used as modified during … Read more
I know this is an old question, a slightly more useful output than the gcc/g++ -E output alone would also used the -H flag (instead or in addition to): g++ -H {my -I and other flags} -E -o /dev/null file.cpp here is a sample output, tree structure helps figure out who included what as a … Read more
An alias in PowerShell allows you to define an alternative name for another command. Unlike in POSIX-compatible shells such as bash, you cannot include pass-through arguments in its definition – you need a function for that. The typical use case is to define a short alternative name for convenience of interactive invocation; for instance, PowerShell … Read more
There is a set of commands that are builtin to the mysql client. They’re documented under “mysql Commands.” These include DELIMITER, SOURCE, HELP, CONNECT, USE, QUIT, etc. The \. (or SOURCE) command is one of these builtins. You can’t execute these builtin commands programmatically, nor from within a stored procedure. It’d be like trying to … Read more
If you use jQuery’s .html method it parses out the script tag and evals it: $(“div”).html(‘<script type=”text/javascript”>alert(“This should work”)</script>’); If jQuery isn’t an option you could write this yourself using either (1) a regular expression, or (2) parse out the DOM tree and find script tags. (#2 is how jQuery does it)
How about the plain old-fashioned: move d:\abc\XXX d:\cef\XXX
It looks like LuaDec itself was last updated for Lua 5.0.2. A new version targeting Lua 5.1.x bytecode has been released as LuaDec51. The wiki is always a good place to start looking for resources as mentioned by f3lix. The mailing list is also a good place to ask. Do note that it is relatively … Read more
NativeArray arr = (NativeArray) result; Object [] array = new Object[(int) arr.getLength()]; for (Object o : arr.getIds()) { int index = (Integer) o; array[index] = arr.get(index, null); }
Yup, that’s what socket_set_nonblock() is for. Your socket interaction code will need to be written differently, taking into account the special meanings that error codes 11, EWOULDBLOCK, and 115, EINPROGRESS, assume. Here’s some somewhat-fictionalized sample code from a PHP sync socket polling loop, as requested: $buf=””; $done = false; do { $chunk = socket_read($sock, 4096); … Read more