Find the User Agent Strings of any Mobile Devices

It’s quite often for a developer to make use of the user agent to determine what browser does a user used, especially for those who develop web services and websites. Recently I found a website which has a huge database of mobile device information, including the user agent string and even the functions supported in…

Database failed

In my chrome extension, the javascript injector, localStorage is used as the database to store the clients’ data. However, as localStorage support only data in string, information has to be stringified and parsed whenever saving and retrieving. The database seems unable to hold anymore data. It corrupted and became incorrect data. I need to rewrite…

Compact and repair database in Access through VBA

Normally, we need to go through bunch of clicks to do one action in MS Access. For example, “Compact and Repair Database”. This function can compact your database and make the file smaller. If you never used this, it may take some time to find it. Try it. LOL. But here I would like to show you how…