If you upload a 7z file to an iis server and you try to load from web, then you got a 404 error. Even you checked the resource path is right. You are sure there is a file. Please check whether you have set the mime type for .7z file type. If not, please… more »

Sometime, I need to access my home network in Hong Kong. Moreover, in some cases, I need to make sure my clients' websites are accessible from oversea. So, I need a VPN connection in Hong Kong. Recently, I was in Hong Kong for more than a month. This… more »

There are many apps can do a screenshot in Android. However, I tested a few of them. They required your android phone are rooted. Well, most of android phones have a shortcut to do a screenshot. If you are using Samsung phone, please try to hold home… more »