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php execute a background process
...file, and writes the process id to $pidfile.
That lets you easily monitor what the process is doing and if it's still running.
function isRunning($pid){
try{
$result = shell_exec(sprintf("ps %d", $pid));
if( count(preg_split("/\n/", $result)) > 2){
return true;
...
How can you customize the numbers in an ordered list?
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I suggest playing with the :before attribute and seeing what you can achieve with it. It will mean your code really is limited to nice new browsers, and excludes the (annoyingly large) section of the market still using rubbish old browsers,
Something like the following, which for...
RVM is not working in ZSH
...$PATH when setting PATH, thus replacing PATH's contents without regard for what already exists in PATH.
To remedy this I now append PATH to have .rvm/bin and then prepend $PATH at the beginning of setting PATH on the second line:
export PATH="$PATH:$HOME/.rvm/bin" # Add RVM to PATH for scripting
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Checking if an instance's class implements an interface?
...ce? As far as I know, there isn't a built-in function to do this directly. What options do I have (if any)?
6 Answers
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How to get div height to auto-adjust to background size?
...hide the actual <img> and not bother with a background-image either? What advantage is there to doing things this way?
– Mark Amery
May 18 '15 at 9:39
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Rails :include vs. :joins
...fference between :joins and :includes in rails. Here is an explaination of what I understood (with examples :))
Consider this scenario:
A User has_many comments and a comment belongs_to a User.
The User model has the following attributes: Name(string), Age(integer). The Comment model has the fol...
Can't compare naive and aware datetime.now()
...nfo set.
tzinfo is the information attached to a datetime to let it know what timezone it is in. If you are using naive datetime you need to be consistent through out your system. I would highly recommend only using datetime.utcnow()
seeing as somewhere your are creating datetime that have tzinfo...
How do you kill all current connections to a SQL Server 2005 database?
...CK IMMEDIATE select GETDATE() ALTER DATABASE aspnetdb SET MULTI_USER what do you have instead of the commented out code?
– SQLMenace
Aug 17 '10 at 18:33
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How to get the primary IP address of the local machine on Linux and OS X? [closed]
...ee the hostname manpage), but for me it just returns 192.168.1.X, which is what you wanted.
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Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
...e port or hostname at server.listen(port, [host], [backlog], [callback]).
What Heroku requires is .listen(process.env.PORT) or .listen(process.env.PORT, '0.0.0.0')
So more generically, to support other environments, use this:
var server_port = process.env.YOUR_PORT || process.env.PORT || 80;
var ...