I have one iMac, one Macbook Pro, and a Windows laptop. Sometimes I feel tired of changing the mouse and keyboard between those three laptops. Of course, you can buy a multi-device mouse and multi-device keyboard, but that will cost you some amount of money. …

As the popularity of Trello as a management tools, we need to explore and maximize its features. One of important and useful feature in Trello is called Butler, where we can automate action based on triggers. Basically, there are four types of action provided by Butler: Rules Card Button Board…

Recently, I was facing a case where my query on Mysql was too slow, which is about 13 seconds to perform query from about 22 Million records. So, 13 seconds can be considered as fast or slow, depending on the case. For example, if it is a query used for…