Python on Ghafoor's Personal Blog

Unhandled Errors

noreply@example.com (AG Sayyed) — Thu, 13 Nov 2025 12:04:01 +0000

This document explains how to handle unexpected errors and exceptions in high-level programming languages like Python, covering common error types, traceback analysis, debugging techniques including printf debugging and the logging module, and strategies for making programs resilient to failures.

Introduction

While high-level languages like Python, Java, and Ruby handle memory management automatically, programs written in these languages can still encounter unexpected conditions that cause failures. When code doesn’t properly handle these conditions, it triggers errors or exceptions, causing programs to terminate unexpectedly.

Dealing With Memory Leaks

noreply@example.com (AG Sayyed) — Tue, 11 Nov 2025 02:21:53 +0000

This document provides hands-on investigation of memory leaks through practical examples, demonstrating how applications exhaust memory through excessive allocations. It walks through using monitoring tools like top to identify memory growth patterns, applying Python's memory_profiler to pinpoint problematic code lines, and resolving issues where programs unnecessarily retain full data structures instead of minimal references.

Understanding Memory Requests

Why Applications Request Memory

There are many reasons why an application may request a lot of memory. Sometimes it’s what’s needed for the program to complete its task. Sometimes it’s caused by a part of the software misbehaving.

08-ibm-fssd-python-flask-kanban

noreply@example.com (AG Sayyed) — Mon, 01 Jan 0001 00:00:00 +0000

Product Backlog

Epic: Complete Python Flask Course

due: 2025-09-01
tags: [python, flask, fullstack]
workload: Extreme
defaultExpanded: true

steps:

Review all course modules
Identify key deliverables
Set up development environment
Plan project milestones
Finalize documentation
Module-1 completed
Module-2 completed
Module-3 completed

1Main Objectives:
2- Master Python and Flask for web development
3- Complete all three modules
4- Build and document a mini web app project
5
6Success Criteria:
7- All modules completed
8- Mini project delivered
9- All assignments submitted

Sprint Backlog

In Progress

Story: Module 1 - Flask Basics and Setup

due: 2025-08-01
tags: [module-1, python, flask]
priority: high
workload: Normal

steps:

Watch module videos
Complete readings
Add visuals using mermaid and excalidraw
Submit assignments
Take module quiz
Add your module MCQ, if applicable

1As a learner, I want to complete Module 1 so that I can set up Flask and understand its basics.
2Acceptance Criteria:
3- All module tasks completed
4- Quiz passed
5- Assignments submitted

Story: Module 2 - Building Flask APIs

due: 2025-08-08
tags: [module-2, python, flask]
priority: high
workload: Normal

steps:

Watch module videos
Complete readings
Add visuals using mermaid and excalidraw
Submit assignments
Take module quiz
Add your module MCQ, if applicable

1As a learner, I want to complete Module 2 to build and test RESTful APIs with Flask.
2Acceptance Criteria:
3- All module tasks completed
4- Quiz passed
5- Assignments submitted

Story: Module 3 - Flask Templates and Deployment

due: 2025-08-15
tags: [module-3, python, flask]
priority: high
workload: Normal

steps:

Watch module videos
Complete readings
Add visuals using mermaid and excalidraw
Submit assignments
Take module quiz
Add your module MCQ, if applicable

1As a learner, I want to complete Module 3 to use templates and deploy a Flask web app.
2Acceptance Criteria:
3- All module tasks completed
4- Quiz passed
5- Assignments submitted

Python on Ghafoor's Personal Blog

Unhandled Errors

Introduction

Dealing With Memory Leaks

Understanding Memory Requests

Why Applications Request Memory

08-ibm-fssd-python-flask-kanban

Product Backlog

Epic: Complete Python Flask Course

Sprint Backlog

In Progress

Story: Module 1 - Flask Basics and Setup

Story: Module 2 - Building Flask APIs

Story: Module 3 - Flask Templates and Deployment

Review/QA

Done