Arul's Blog Posts
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Python Syntax Warning "\d" is an invalid escape sequence
If you get the syntax warning "\d" is an invalid escape sequence, this blog post contains the working solution.... continue reading
If you get the syntax warning "\d" is an invalid escape sequence, this blog post contains the working solution.... continue reading
{ updated: 2025-11-26 20:49:06 }
ACSL Senior Division
Blog post with guidelines and tips about how to coach your American Computer Science League ACSL Senior Division club.... continue reading
Blog post with guidelines and tips about how to coach your American Computer Science League ACSL Senior Division club.... continue reading
{ updated: 2025-11-26 17:18:32 }
ACSL Intermediate Division
Blog post about how to coach your ACSL Intermediate Division club.... continue reading
Blog post about how to coach your ACSL Intermediate Division club.... continue reading
{ updated: 2025-11-25 05:12:15 }
ACSL Intermediate Scrabble Problem
My Python solution for the ACSL Intermediate Division 2013-2014 Contest 1 Problem Scrabble. Includes the problem solving logic and Python code tips.... continue reading
My Python solution for the ACSL Intermediate Division 2013-2014 Contest 1 Problem Scrabble. Includes the problem solving logic and Python code tips.... continue reading
{ updated: 2025-10-31 16:45:15 }
How to Make the Fastest Awana Grand Prix Pinewood Derby Car
How we built our son's prize-winning Awana Grand Prix Pinewood Derby car. His car won every single round with an average speed of 182.69 mph and time of 2.7058s... continue reading
How we built our son's prize-winning Awana Grand Prix Pinewood Derby car. His car won every single round with an average speed of 182.69 mph and time of 2.7058s... continue reading
{ updated: 2025-10-26 12:43:47 }
How to Reset Sequence After Truncating Table in PostgreSQL
In PostgreSQL, when you truncate a table, the auto-increment sequence does not get reset. You have to use additional parameters to reset the sequence.... continue reading
In PostgreSQL, when you truncate a table, the auto-increment sequence does not get reset. You have to use additional parameters to reset the sequence.... continue reading
{ updated: 2025-10-16 02:00:20 }
How to Reset Auto Increment Counter Sequence in PostgreSQL
If you want to reset the auto increment SERIAL SEQUENCE number in PostgreSQL, this blog post is for you.... continue reading
If you want to reset the auto increment SERIAL SEQUENCE number in PostgreSQL, this blog post is for you.... continue reading
{ updated: 2025-10-16 01:55:26 }
How to Install Python 3.14.0 on Raspberry Pi Using Pyenv
Tutorial on using pyenv to install the latest Python 3.14.0 on a Raspberry Pi 3. This will work on other Raspyberry Pi versions too.... continue reading
Tutorial on using pyenv to install the latest Python 3.14.0 on a Raspberry Pi 3. This will work on other Raspyberry Pi versions too.... continue reading
{ updated: 2025-10-15 22:05:05 }
New Features in Python 3.14
Python 3.14 was released on October 7, 2025. There are several updates to 3.14 compared to 3.13.... continue reading
Python 3.14 was released on October 7, 2025. There are several updates to 3.14 compared to 3.13.... continue reading
{ updated: 2025-10-08 11:23:54 }
Interesting Signs in Trains in Japan
I saw these intuitive and useful signs in Japanese trains. You do not need to understand the language to know what it means.... continue reading
I saw these intuitive and useful signs in Japanese trains. You do not need to understand the language to know what it means.... continue reading
{ updated: 2025-10-07 23:31:34 }
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