How to Avoid Paying Too Much Fee when Cashing out Bitcoin via Wirex Credit Card?
The Wirex offers normal bank (visa debit) cards in currencies of USD, EUR and GBP. The way it works is that you can send bitcoins to Wirex accounts, do …
Using the OpenSSL command to Test the SSL Certificate
Usually, in the browser, by clicking the Lock icon, you can view the SSL certificate information. And, we can also run the `openssl` command to view the server ceritifcate …
Algorithm to Shuffle String in Python3 According to Index
Given a string s and an integer array indices of the same length. The string s will be shuffled such that the character at the ith position moves to …
Depth First Search Algorithm to Find the Strobogrammatic Number of Given Length
A strobogrammatic number is a number that looks the same when rotated 180 degrees (looked at upside down). Find all strobogrammatic numbers that are of length = n. Example: …
Depth First Search Algorithm to Compute the Diameter of N-Ary Tree
Given a root of an N-ary tree, you need to compute the length of the diameter of the tree. The diameter of an N-ary tree is the length of …
Remove the Temporary Files (including Windows.old) on Windows 10 to Save Space via Storage Sense
Recently I found out on my C:\ there is a folder `windows.old` probably this is due to the fact that I refreshed my Windows 10 using a Recovery software …