How to Show/Execute History Command Lines in Windows Command Line Prompt?
At Linux BASH shell, we can type in history command to print a list of the commands that have been entered in the current shell. Combining with other commands …
How to Filter the Unique Email Addresses?
Same Email addresses can have different forms for example, in the format of “username@domain” – the username part can have the optional dots to separate. The following email addresses …
HHKB (Happy Hacking Keyboard) Review and the Key Combinations
My Wife has given me a HHKB (Happy Hacking Keyboard Professional 2) as a gift to my 34-year birthday. HHKB is a mechanical keyboard for minimalists – it contains …
How to Convert VESTS to STEEM and vice versa?
On STEEM blockchain, the rewards are distributed in the unit of VESTS which can be converted to more human-readable unit of the SP – The Steem Power. The STEEM …
The Javascript’s Memorization Function to Speed Up Recursion (Dynamic Programming)
We all know the Fibonacci function is defined as F(N) = F(N – 1) + F(N – 2) and the terminating conditions are F(1) = 1 and F(0) = …
C# How to Remove Empty Elements from List in O(n)?
In C#, we may use the following method to Remove Null Elements from a List: static void RemoveNull<T>(List<T> list) { for (int i = list.Count - 1; i >= …