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How to Trigger AWS Lambda After Uploading 7 Files to S3: A Smart Event-Driven Architecture

Jun 29, 2025

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AWS

13 Essential Python Interview Questions

Here are 13 essential python interview questions useful to crack your interview. Read More ⇢
How to Find Sum of Series in Python

Sample Python script to calculate the sum of the GP series. Knowing the skills applied to write this script useful for interviews. Read More ⇢
How to Print Name[String] in Reverse order in Python

Here’s a python program that reverses the name you enter and prints it in reverse order. This is useful for interviews. Read More ⇢
Bash: How to Calculate Sum After Reading File

Here is a shell script to calculate the sum of input file records. And to replace a string with a new one using sed utility. Read More ⇢
How to Create a JSON File in Python: Step-by-Step Guide for Beginners

JSON files are popular in message interchange. Here is sample python logic on how to write JSON data to a file using the dump function Read More ⇢
How to Effectively Use sed for Search and Replace in Bash

Here are the best examples of how to use sed utility to search and replace. These examples explain how to replace a string with your choice. Read More ⇢
How to get CPU Utilisation of SQL Query

Here’s a sample Explain plan query to find statistics of the execution plan. Useful for SQL and Data warehousing developers. Read More ⇢
How to Call a Shell Script from Another Script

In Bash shell (or any other) you can include a script in another script. Here is best example of how you can do it. Also, I have explained the reasons of why you need it. Read More ⇢
DB2 Check Vs. Default Constraint Top Differences

Check and Default constraints are both not the same. They create during create Table. Differences between these you can understand with these examples. Read More ⇢