Tag: programming
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Modern Mobile Redirect Using .htaccess
The following set of rewrite rules will redirect all Android, Blackberry, iOS, Windows and WebOS devices to a specific mobile directory on your website. Additionally, it will redirect Google’s mobile crawler – according to Google search spam czar Matt Cutts this is perfectly acceptable and even somewhat encourage. Code snippet – Simple .htaccess Mobile Redirect…
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How To Detect Mobile Visitors Using .htaccess Rewrite Rules, Simplified
Since my original posts on mobile redirection in .htaccess files I’ve gotten some comments and emails asking for step-by-step guidance on exactly how to “install” these rules. I hope this post will answer some of those questions. Before you continue reading, if you have php installed on your server, you may want to consider Andy Moore’s php…
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DIGG: 4000% PERFORMANCE INCREASE BY SORTING IN PHP RATHER THAN MYSQL
To scale at Digg they followed a set of practices very similar to those used at eBay. No joins, no foreign key constraints (to scale writes), primary key look-ups only, limited range queries, and joins were done in memory. When implementing the comment feature a 4,000 percent increase in performance was created by sorting in…