I found that tweaking the ‘optimizer_search_depth‘ parameter (in my.cnf) for MySQL significantly sped up the query, as it told MySQL to only go so far in finding the best way to execute the query.

You can read more about it here: http://dev.mysql.com/doc/refman/5.0/en/controlling-optimizer.html

I’d recommend tweaking this variable to find the best level for your worst query.  For simple queries, they should be unaffected since MySQL doesn’t need to do much analysis on the best execution plan.  As an example, I’ve set the value to ’3′, and things are just fine.

To determine if you need this tweak, you can login to the MySQL console while a long-running process is executing and execute ‘SHOW PROCESSLIST\G‘.  If you see a query in ‘statistics’ state for more than a few seconds, try tweaking the value, and re-running the process.

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Thanks!

-Dave

You may need to logout / login to restart the clock and make the setting take effect.

iconv -f UTF-16 -t UTF-8 input_file > output_file

And you’re done! Easy as pie…when you know what the problem is.

Now, with dynamic data, you can’t predict what your data will look like, and your code needs to be flexible enough to handle any situation without causing headaches for the user.  With ChartDirector, you pass in datasets via arrays across the chart, so for example the above datasets would be created by:

$data0 = array(100, 125, 245, 147, 67);
$data1 = array(85, 156, 179, 211, 123);
$data2 = array(97, 87, 56, 267, 157);

Such that, the numbers line up in the arrays (vertically) in how they correspond to the resulting chart. In my situation and test data, I found I had a situation like the following:

$data0 = array(100, 125, 0, 147, 67);
$data1 = array(85, 156, 0, 211, 123);
$data2 = array(97, 87, 0, 267, 157);

So, the bar for the 3rd item in the chart would be distributed equally as 33.33% when, in fact, there was no data. I assumed the chart would display a blank spot for that bar. After searching the less than optimal support forums (to no fault of the creators / maintainers), I found I needed to instead use a constant defined in the ChartDirector code – ‘NoValue’, where I had…wait for it….no value. Putting a small check in my code to replace zeros with ‘NoValue’ proved to produce the results I was after.

Note to fellow developers: If you’re posting in a forum for assistance, please be more verbose in your subject line. It really helps with searching if the subject can provide some bit of context around what the problem is.

Reference: http://api.jquery.com/submit/#comment-30950448 – Thanks Scotty!

You create SSH tunnels using:

ssh -D 8080 username@remote_server

Which opens port 8080 on the local machine. Then, you can configure your browser of choice to use a SOCKS v5 Proxy at 127.0.0.1:8080. Specifically in Firefox, make sure that none of your other proxy settings are set.

It should look like the following:

Now, you can check the IP address for your connection by visiting a site like: http://www.whatsmyip.org/

It’s open-source, which I really like, but the ease of getting it setup, and the polished look and feel just make me happy to use it.

Great work guys!