TIL

Today-I-Learned snippets. Inspired by the post Building a self-updating profile README for GitHub by Simon Willison

56 TILs so far.

pandas-numpy

• Partial Sorts Partitioning - 2020-07-26
• Drop rows with no values - 2021-02-05
• Selecting columns - 2021-02-07

regex

• Regex to retrieve links from a markdown file - 2020-07-26
• Regex snippets - 2020-10-08

ml_algorithms

• When using SVMs why do we need to scale the features - 2020-07-26
• K-Means vs KNN (K-Nearest Neighbors) - 2020-11-13

python

• Generate primes using Sieve of Erastosthenes - 2020-07-26
• Miscellaneous pythonisms - 2020-07-26
• Python set_default() method - 2020-07-26
• Check if a number is prime - 2020-07-26
• Slicing and Reversing - 2020-08-07
• Python string.punctuation - 2020-08-08
• Named Slices - 2020-08-28
• Python Single Underscore - 2020-09-25
• Python Append vs Extend - 2022-10-13

sql

• Basic MapReduce Understanding - 2020-08-01
• Declarative Language vs Imperative Language - 2022-01-02

scripts

• Mini scripts bat file - 2020-09-28

misc

• Create SVG Icon with path info - 2020-10-01
• Differences between Containers and Virtual Machines (VMs) - 2020-11-18
• Key points of Consistent Hashing - 2022-04-11
• What is Postings list ? - 2023-03-12
• Clustered Index and Covering Index - 2023-03-12
• Misc of Misc - 2023-05-02
• Homomorphic encryption - 2024-03-04
• What is Dynamic Routing ? - 2024-04-13
• LBaaS (load balancing as a service) - 2024-05-19
• Key differences between MTTR, MTBF, RTO, and RPO - 2024-05-19
• Partitioning Vs Sharding - 2024-05-25
• Airflow vs Luigi - 2024-06-01
• RabbitMQ priority queue - 2024-06-01
• Types of UUIDs - 2024-08-25
• Difference between API and Service - 2024-10-05

ddia

• Chapter 1 - Reliable, Scalable, and Maintainable Applications - 2023-10-17

aws

• CloudFront Functions vs. Lambda@Edge: When to Use Which? - 2025-04-25
• AWS RAM - 2025-04-26
• [VPN Appliance](https://github.com/vidyabhandary/til/blob/master/aws/VPN Appliance.md) - 2025-04-26
• What is AWS SAM? - 2025-04-26
• [CloudFormation Template vs CloudFormation StackSet](https://github.com/vidyabhandary/til/blob/master/aws/CF Template vs CF Stackset.md) - 2025-04-26
• AWS EKS vs EKS Anywhere Comparison Table - 2025-04-26
• AWS Security Tools - 2025-04-26
• AWS Secrets Manager vs. AWS Systems Manager Parameter Store - 2025-04-26
• Origin Response vs. Viewer Response - 2025-04-27
• EC2 Instance Savings Plans vs Compute Savings Plans - 2025-04-30
• Mandatory and strongly recommended controls - 2025-05-01
• AWS Control Tower guardrails - 2025-05-01
• Key differences between the VPC attributes enableDnsSupport and enableDnsHostnames - 2025-05-02
• S3 Gateway Endpoints and S3 Interface Endpoints - 2025-05-03
• API Gateway Resource vs. Usage Plans - 2025-05-05
• Comparison of CNAME vs NS DNS records: - 2025-05-24
• Comparison of NS, A, and AAAA DNS records: - 2025-05-24
• Key responsibilities of AWS Systems Manager: - 2025-05-25

ai

• VAEs - Variational Autoencoders - 2025-05-02
• Beta-VAE / CVAE - 2025-05-02

tech_reads

• Dialogue Intelligibility Metric - 2025-06-04

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