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“Variable” variables in Javascript?
I know it's possible in PHP to have "variable" variables. For example
7 Answers
7
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Getting the last revision number in SVN?
Using PHP, Perl, or Python (preferably PHP), I need a way to query an SVN database and find out the last revision number sent to SVN. I don't need anything other than that. It needs to be non-intensive (so I do it every 5 minutes as a cron job; SVN's performance should not be affected).
...
How can I open several files at once in Vim?
...in that file.
For example, if you want to open all the files that end in .php in a given directory, first create files.txt containing the list of files, prepended with whatever command you want to use to open them.
sp alpha.php
sp bravo.php
sp charlie.php
Then, within vim:
:so files.txt
If th...
How to tell if node.js is installed or not
... My mistake, I forgot to mention I am running this through a php script. So where then will it be printed if not by terminal?
– user1340052
May 7 '12 at 1:38
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Exception thrown in catch and finally clause
...s "precedence". Keep in mind:
When an new exception is thrown in a catch block or finally block that will propagate out of that block, then the current exception will be aborted (and forgotten) as the new exception is propagated outward. The new exception starts unwinding up the stack just like a...
Create and append dynamically
...e the variable iDiv which still refers to the original element <div id='block'> you've created. You just need to create another <div> and call appendChild().
// Your existing code unmodified...
var iDiv = document.createElement('div');
iDiv.id = 'block';
iDiv.className = 'block';
docume...
When is finally run if you throw an exception from the catch block?
In the above block when is the finally block called? Before the throwing of e or is finally called and then catch?
7 Answer...
Java - sending HTTP parameters via POST method easily
...ength = postData.length;
String request = "http://example.com/index.php";
URL url = new URL( request );
HttpURLConnection conn= (HttpURLConnection) url.openConnection();
conn.setDoOutput( true );
conn.setInstanceFollowRedirects( false );
conn.setRequestMethod( "POST" ...
Create a folder if it doesn't already exist
...st( $wrapper, $target ) = explode( '://', $target, 2 );
}
// from php.net/mkdir user contributed notes
$target = str_replace( '//', '/', $target );
// put the wrapper back on the target
if( $wrapper !== null ) {
$target = $wrapper . '://' . $target;
}
// safe m...
capturing self strongly in this block is likely to lead to a retain cycle
...lf.timerDisp - you can't refer to self or properties on self from within a block that will be strongly retained by self.
You can get around this by creating a weak reference to self before accessing timerDisp inside your block:
__weak typeof(self) weakSelf = self;
[player addPeriodicTimeObserverFo...