There are a number of ways to profile and monitor the performance of PHP code in a development environment, but once it’s been let loose on a production server its extremely difficult to know what’s going on when your app is getting accessed by your users.
In March 2009, Facebook released XHProf, a function level profiler that allows you to identify bottlenecks in your application. And it runs on a production server with little overhead.
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One of the big secrets of design is learning how to guide the visual direction of viewers; This principle is often overlooked by even the most experienced designers, so today we’re going to take a deeper look at how it works. Visual direction is controlling the eye movement of the user; this can be achieved by carefully selecting your images and by well-placed and aligned design elements.
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Today I’m going to walk you through using a handy tool to help you when building grid-based web pages. It’s a toolbar which I’ve built, and it comprises two links which lay different kinds of grids over your design whilst in the browser. Try it out!
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For marketers, effective email design is more than the fonts and images you choose. A good email template not only looks appealing, but also considers the special features and constraints of the email clients used to read the messages.
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