Arul's Blog Posts

Cryptocurrency SMS Text Message Scams
There are new cryptocurrency scams sent via text messages / SMSes. I occasionally get the email versions as well.... continue reading
{ updated: 2025-03-18 18:23:59 }
RubyConf 2013
Arul's experiences at RubyConf 2013 in Miami Beach, Florida.... continue reading
{ updated: 2025-03-17 23:20:46 }
How to Format USB Flash Drive Using dd
How to format a USB flash drive using dd command in Linux and Mac OS... continue reading
{ updated: 2025-03-07 17:37:10 }
How to Hack Your Linksys WRT54G Wireless-G Router With DD-WRT Firmware
Tutorial on how to hack your Linksys WRT54G or WRT54GL Wireless-G router and install DD-WRT firmware on it.... continue reading
{ updated: 2025-02-26 17:39:26 }
ACSL Junior Duplicates Problem
My Python solution for the ACSL Junior Division 2017-2018 Contest 4 Problem Duplicates. Includes the problem solving logic and Python code tips.... continue reading
{ updated: 2025-02-25 00:16:55 }
How to Change User to Superuser in PostgreSQL
Blog post about how to promote regular user to superuser in PostgreSQL database.... continue reading
{ updated: 2025-02-20 23:31:01 }
Convert Decimal Number to Any Base in Python
Use Python to convert a decimal number to any base from 2 through 36. After 9, the digits are A through Z.... continue reading
{ updated: 2025-02-18 05:50:02 }
Bash Script to Print Sequence of Dates From Start Date to End Date
This is a shell script to print a date range or a list of dates from a starting date up to an ending date.... continue reading
{ updated: 2025-02-12 18:53:34 }
ACSL Junior Strings and Things Problem
My Python solution for the ACSL Junior Division 2002-2003 Contest 3 Problem Strings and Things. Includes the problem solving logic and Python code tips.... continue reading
{ updated: 2025-02-09 01:34:10 }
How to Find and Replace Text using Vim Editor
This blog post shows you how to find and replace text using the Vim editor. It works for NeoVim and other variants as well.... continue reading
{ updated: 2025-02-06 19:09:10 }

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