⚙️ Automation
Automate Your Daily Tasks with Python
Automate daily tasks with Python: organise folders, delete old files, rename photos and send reports, using safe dry-run scripts.
9 min read
Learn to code, automate the boring stuff and ship tools.
Practical tutorials on Python, C++, JavaScript, Android and Telegram bots, written by a working developer. Every guide ships with code you can run.
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📱 Apps
C++ Pointers Explained Simply
Understand C++ pointers with simple examples: addresses, dereferencing, nullptr, const, new and delete, and smart pointers.
10 min read
⚙️ Automation
Schedule Python Scripts with Cron and Render
Schedule Python scripts with cron, a free Render web service or GitHub Actions, with working code, honest limits and security tips.
10 min read
Series and collections
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🤖 Bot🐍 Python
Fix Telegram Bot Error 409: Conflict Terminated by Other getUpdates Request
Telegram bot crashing with 409 Conflict? Find the second running copy, clear a stuck webhook and make sure only one instance ever polls.
2026-10-28 · 11 min read
⚙️ Automation🐍 Python
Render Says No Open Ports Detected? Fix Your Flask and Gunicorn Start
Deploy fails with Port scan timeout on Render? Bind to 0.0.0.0 and the PORT variable, fix the gunicorn command and run a bot with a health server.
2026-10-26 · 10 min read
🌐 Website🌐 JavaScript🐍 Python
Fix the CORS Error When Your Static Website Calls a Flask API
Blocked by CORS policy in the browser console? Learn what preflight is and fix it in Flask, including credentials, redirects and error responses.
2026-10-24 · 10 min read
🕷️ Scrapper🐍 Python
Fix BeautifulSoup AttributeError: NoneType Object Has No Attribute get_text
Why find and select_one return None, how to debug the real HTML your script receives and how to write scraping code that survives missing elements.
2026-10-22 · 10 min read
🕷️ Scrapper🐍 Python🌐 JavaScript
BeautifulSoup Returns Empty Results? Find the Hidden JSON API Instead
When a page loads data with JavaScript, the HTML you download is empty. Use DevTools to find the JSON request behind the page and call it in Python.
2026-10-20 · 9 min read
📱 Apps☕ Java
Android RecyclerView Blank? Fix No Adapter Attached; Skipping Layout
A seven point checklist for an empty RecyclerView in Java: adapter, LayoutManager, item count, row layout height, data refresh and ListAdapter traps.
2026-10-18 · 8 min read
📱 Apps⚙️ C++
Find a C++ Segmentation Fault with AddressSanitizer and gdb
Stop guessing why your program prints Segmentation fault. Reproduce it, read an AddressSanitizer report, get a gdb backtrace and fix the usual causes.
2026-10-16 · 11 min read
⚙️ Automation🐍 Python
Cron Job Not Running Your Python Script? Seven Causes and Fixes
Your script works in the terminal but silently does nothing from cron. Fix PATH, working directory, percent signs, time zones and missing logs.
2026-10-14 · 10 min read
⚙️ Automation🐍 Python
Python CSV Shows Garbage Characters in Excel? Use utf-8-sig
Hindi text, the rupee sign or accented letters turn into odd symbols when a Python CSV opens in Excel. Understand why and fix it with one argument.
2026-10-12 · 11 min read
🕷️ Scrapper🐍 Python
Python requests Hangs or Fails Randomly? Timeouts, Retries and Sessions
A script that freezes or breaks on one bad response needs a timeout, a retry policy and a Session. Copy a hardened requests helper for any project.
2026-10-10 · 10 min read
🕷️ Scrapper🐍 Python
Python Web Scraping with BeautifulSoup
Learn web scraping with Python, requests and BeautifulSoup: download pages politely, parse HTML, follow pagination and save clean CSV data.
2026-03-09 · 9 min read
📱 Apps☕ Java
Android Java: RecyclerView Step by Step
Build an Android RecyclerView in Java step by step: adapter, ViewHolder, click handling, adding and removing items, and DiffUtil.
2026-03-02 · 8 min read
🌐 Website🌐 JavaScript🐍 Python
JavaScript Fetch API: A Practical Guide
Learn JavaScript fetch: GET and POST, error handling, timeouts with AbortController, retries and calling your own backend from a static site.
2026-02-23 · 8 min read
📱 Apps⚙️ C++
C++ Pointers Explained Simply
Understand C++ pointers with simple examples: addresses, dereferencing, nullptr, const, new and delete, and smart pointers.
2026-02-16 · 10 min read
🤖 Bot🐍 PythonPart 3
Build a Telegram Bot That Reports to You
Send alerts, files and error tracebacks from Python to your phone with a Telegram bot. Includes a reusable notifier module and security tips.
2026-01-24 · 9 min read
⚙️ Automation🐍 PythonPart 2
Schedule Python Scripts with Cron and Render
Schedule Python scripts with cron, a free Render web service or GitHub Actions, with working code, honest limits and security tips.
2026-01-17 · 10 min read
⚙️ Automation🐍 PythonPart 1
Automate Your Daily Tasks with Python
Automate daily tasks with Python: organise folders, delete old files, rename photos and send reports, using safe dry-run scripts.
2026-01-10 · 9 min read
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