# Kotlin: Difference between Blank and Empty

Kotlin String has methods, isBlank() and isEmpty(). I wrote about their difference.

I summarized the way to write build.gradle and settings.gradle in Kotlin.

# Windows: Easy Bitcoin Mining

I wrote easy Bitcoin mining way in windows computer.

# Kotlin in Terminal

I introduce the way to use Kotlin in terminal. Thanks for that, we can use interpreter of Kotlin, which we can often see in LL.

# Excel: Move Cursor in All Sheets to Top Left

When you opened the excel file other man saved, have you thought “Why didn’t he move cursor to A1 cell” before ? Not to be thought so, conversely, I will introduce the way to move cursor in all sheets to top left, move scroll bars in all sheets to top left and activate first sheet.