How to Empty Recycle Bin when it hangs due to lots of files?
Once, the Google Drive moves lots of deleted files into Recycle bin and I was trying to empty the recycle bin using the intuitive way, right click Recycle and …
Author: ACMer
How to Count Numbers with Unique Digits?
Given a non-negative integer n, please find out the number of integers that have the unique digits between [0, 10^n). For example, if n = 2, there are 91 …
Makefile Tutorial for Beginner – 1
At Linux Shell, a makefile is named Makefile or makefile. A makefile is a text file that defines rules to compile the source code. Without makefiles, you probably need …
C++ Coding Exericse – Tiny TimeIt Utility to Time the Applications
Today, I need to measure two command line utilties so I need a ‘timeit’ utility on Windows. You could record the time before and after the command runs and …
How to Read Local Files using HTML5 FileReader?
Before HTML5, there is no easy way to read files from you local hard drives in the browser because reading files exposes security issues. Long time ago, you might …