Update: The reason the query is being logged is it doesn’t use an index. The query time is 0, i.e. it actually executes fast. You can unset the “log-queries-not-using-indexes” option if you don’t want these to be logged. The wp_options table has no index on autoload (it now should, it was added to WP core … Read more
On shared hosting plans your caching options are limited. You will only be able to statically cache the html output from your pages. This is the fastest way to serve pages but you loose the dynamic aspects of WordPress like making comments and seeing the latest comments on posts. There are disk caching options available … Read more
Clearly nothing scales as well as static files served by a fast web server and any CMS that has to figure out what to load and then load it will not perform as well, WordPress or otherwise. One of the issues is the number of database queries required per URL request and my 2 prior … Read more
You could install WordPress on Nginx. There are a number of resources to help: nginx Compatibility plugin HOWTO: Install WordPress On Nginx– Slicehost discussion How To Speed Up WordPress With Nginx And WP Super Cache WordPress on nginx + lighttpd + FastCGI + php Nginx as a front-end proxy cache for WordPress Some performance information … Read more
I’m getting this message “Parallelize downloads across hostnames” when checking my WordPress site on GTmetrix > https://gtmetrix.com Here are the details > https://gtmetrix.com/parallelize-downloads-across-hostnames.html How do I fix that ?
I’m getting this message “Parallelize downloads across hostnames” when checking my WordPress site on GTmetrix > https://gtmetrix.com Here are the details > https://gtmetrix.com/parallelize-downloads-across-hostnames.html How do I fix that ?
Using Stirling’s approximation, you get If you substitute it into $\choose{n}{n/2}$, you should eventually end up with PS. you might want to check my math before you actually use the answer 🙂
Firebug Firebug provides a highly detailed profiling report. It will tell you how long each method invocation takes in a giant (detailed) table. You need to call console.profileEnd () to end your profile block. See the console API here: http://getfirebug.com/wiki/index.php/Console_API Blackbird Blackbird (official site) also has a simpler profiler (can be downloaded from here)
boolean can only be true or false because it’s a primitive datatype (+ a boolean variables default value is false). You can use the class Boolean instead if you want to use null values. Boolean is a reference type, that’s the reason you can assign null to a Boolean “variable”. Example:
Radix sort is harder to generalize than most other sorting algorithms. It requires fixed size keys, and some standard way of breaking the keys into pieces. Thus it never finds its way into libraries.