Running Ubuntu 14.04 in Parallel Desktop (PD), if it gets Black Screen after the software update, here is how-to-fix: Shutdown Ubuntu. In PD, “Configure > Video > 3D acceleration”, turn it “OFF”. Start Ubuntu. No need to login. Shutdown Ubuntu. In PD, “Configure > Video > 3D acceleration”, turn it “ON”. Start Ubuntu. Should be […]

In previous post “How to Speed Up Your WordPress – The Definitive Guide“, we discussed about some principles that need to consider when improving the performance of your WordPress site, like choosing “right” web host, reduce HTTP requests, doing cache, optimizing static files, etc. In this post, I documented all the steps I have done […]

When your iOS app crashes, we need to analyze the crash log to help identify the root cause of it. The crash could be a “Low Memory Crash” or a “Normal Crash with Exceptions“. When it comes with “Exception”, a better understanding on “different types of exceptions” can truly help us target the issue quickly. […]

tl;dr The core of “speed up your WordPress” is to reduce web page loading time. Here are several principles: Choose the “right” web server / hosting service (web host). Reduce the # of HTTP requests. Optimize static resources, including Javascript, CSS, images, fonts, etc. Optimize data transmission over the internet. Optimize delivery of web page […]