nirajpandkar/til

Today I Learned

TIL

Today I Learned

The things that I learn day to day across a variety of languages and technologies with proper references for further reading.

25 TIL now.

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Index

• C++
• Competitive Programming
  • Useful Snippets
  • Tricks and Tips
• CSS
• Git
• Linux
• Python
• Miscellaneous
• TensorFlow

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C++

• Difference between size() and capacity()

• Swapping elements using vector STL

• Using range-based 'for'

• In-built function to check whether character is alphabet

• Random number function

• 2D/3D arrays using Vector

Competitive Programming

Tricks and Tips

• Trick to find LCM

• Data type ranges

Useful Snippets

• Left/Right rotation of array

• GCD

• LCM

• Factorial

• Python Counter

CSS

• Align navbar item to the right (Bootstrap 4)

Git

• Clone git repository with a specific revision sheet

• Clone a specific git branch

Linux

• Find specific user's uid/gid

• Move all files except one

Python

• UTF-8 encoding for non-ascii characters

• Creating a Postgresql database using psycopg2

• Augmented assignment implementation

• Unicode object has no attribute ''

• Unable to load files using pickle

• Wand image library policy error

Miscellaneous

• Difference between VM and container(Docker)

• Stopping/destroying vagrant instance

• Difference between processor notations

TensorFlow

• Significance of None in shape parameter in plceholder

License

MIT © Niraj Pandkar