When I got up last Sunday morning, I tried to turn on my mac pro which is a 2011 model. That is relatively old, but that is still in good shape. On that morning, it got me a black screen. It has a startup sound. I tried to press the keys randomly. It… more »

I watched the keynotes of WWDC 2018, tag line is "Software Only". There are no new iPhone or Mac. I am disappointing, I am expecting there will be a CPU refresh for MacBook Pro,it switched to use the 8th Generation CPU. Only software update this year… more »

I am new to Angular. However, I have used AnuglarJS for a year. That is very hard to catch up. Today, I found a silly error. I cannot add an element to an array by using Pushj function. I got an error,Push is not defined. more »