Blog

Programming Blog: Tutorials, Guides, and Study Tips

Programming tutorials, homework guides, debugging walkthroughs, and study strategies for CS students across 30+ languages.

  • PHP

    How to Fix SQL Injection in a PHP Mobile App API

    See how three Hackazon API queries were changed from unsafe SQL concatenation to PDO prepared statements, then checked with RIPS and a Burp proxy.

    php sql-injection pdo prepared-statements api-security
  • Machine Learning

    Building a Sentiment Analysis Model With Audio Data

    Build and evaluate an audio sentiment model in Python using RAVDESS, librosa features, actor-grouped validation, and honest emotion labels.

    audio-sentiment-analysis speech-emotion-recognition python librosa machine-learning
  • Machine Learning

    Building an AI-Based Inventory Demand Forecasting Model

    Build an inventory demand forecast in Python with leakage-safe lag features, rolling validation, seasonal baselines, practical metrics, and monitoring.

    demand-forecasting inventory-management time-series python machine-learning
  • Java

    Spring Batch: A Practical Guide to Restartable Jobs

    Learn Spring Batch 6 through a restartable CSV-to-database job covering jobs, steps, chunks, metadata, fault tolerance, parameters, testing, and scaling.

    spring-batch spring-boot java batch-processing etl
  • Programming

    Statistics for Data Science: Complete Guide with Examples

    Learn the statistics behind data science with Python examples on distributions, sampling, confidence intervals, hypothesis tests, regression, and leakage.

    statistics data-science python hypothesis-testing regression
  • Programming Homework Tips

    Programming Assignment Due Tomorrow? Follow This 12-Hour Rescue Plan

    Programming assignment due tomorrow? Use this 12-hour plan to triage requirements, finish the core code, test it, and submit the correct files.

    deadlines time-management debugging testing gradescope
  • Python

    World Happiness Report Analysis in Python: 9 Visualizations

    Analyze the World Happiness Report 2019 in Python with pandas, seaborn, and Folium. 9 charts across 156 countries, and the two columns everyone misreads.

    python pandas matplotlib seaborn folium
  • Java

    Bus Ticketing System in Java Assignment

    Bus ticketing system in Java, built from the assignment spec. 4 classes, seat grid, invoices, ban set, plus 3 bugs that erase saved data.

    java oop file-io collections console-applications
  • Programming Homework Tips

    How to Break Down a Programming Assignment

    Learn how to turn a programming assignment brief into a clear plan using requirements, pseudocode, testing, and a C salary-raise example.

    c planning pseudocode requirements testing
  • Programming Homework Tips

    Human Expert vs AI for Programming Homework

    AI tools generate code fast but miss rubrics, produce buggy output, and leave students unable to explain their work. Here is how human experts compare across 7 key factors.

Page 1 of 7 (67 posts)