Min Number of Operations to Crawler Log Folder
The File system keeps a log each time some user performs a change folder operation. The operations are described below: “../” : Move to the parent folder of the …
Reclaiming the Disk Space by Deleting the Logs of the Docker Container
The Steem Blockchain is huge and currently it has over 47 Million blocks and still growing! To run a steem witness, you will need at least 16GB RAM and …
How to Re-mount a RAID-1 Array into a RAID-0 on Linux VPS?
Recently, I ordered a dedicated server from Dacentec and the specs says i should have 2x1TB HDD but when I run the lsblk command, I only found one. Here …
Algorithm to Check if a Binary Tree can be Constructed via Hash Tables
Have the function TreeConstructor(strArr) take the array of strings stored in strArr, which will contain pairs of integers in the following format: (i1,i2), where i1 represents a child node …
Big O Simply Explained
Big O Notation is a must known concept in software engineer algorithm complexity analysis. You will be asked the Big O during your software engineer interview, for sure. Big …
How to Rotate a Matrix (Clockwise and Anti-clockwise) in place?
Given a matrix with dimension NxN, rotate the matrix in place the 90 degrees clockwise and anti-clockwise. For example, original Matrix 3×3: vector<vector<int>> matrix({ {1, 2, 3}, {4, 5, …