tag:blogger.com,1999:blog-25774563777235889292026-10-14T12:36:35.120-07:00Python tutorials with source code, examples, guides, and tips and tricks for Windows and Linux development.Cătălin George Feștilăhttp://www.blogger.com/profile/10800322932529698711noreply@blogger.comBlogger934125tag:blogger.com,1999:blog-2577456377723588929.post-28069622087688656202026-10-14T07:41:16.167-07:002026-10-14T07:41:16.167-07:00

NOTE : I’ve lost track of how many posts I have on this blog regarding Google Colab examples; there are more in the GitHub repo, though I can’t guarantee they still work after updates. Today, we present a more complex example of quantum processing using NVIDIA CUDA-Q acceleration on a GPU. In this notebook, you will find a few simple demonstrations and a real-world example involving the quantum

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Python 3.15 brings significant improvements across performance, core features, and developer tools. The startup time is now much faster thanks to explicit lazy imports, and the experimental JIT compiler provides a 7 to 12 percent speed boost depending on your operating system. The update introduces new built-in types like frozendict and sentinel, and officially makes UTF-8 the default text

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This Python script creates a mobile-friendly graphical application using Tkinter to analyze stock market data for a chosen ticker symbol, such as NVDA. When you launch the app, it presents a user interface with input fields to type a stock symbol and select a time frame, like one month, six months, or one year. Upon clicking the Load button, the script sends a direct web request to Yahoo Finance.

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The article “How fast is Python 3.15?” provides a detailed performance analysis of the upcoming CPython release, focusing on benchmark‑driven comparisons across standard CPython, the new JIT compiler, and the free‑threaded (no‑GIL) build. Using two deterministic workloads—recursive Fibonacci and bubble sort—the author evaluates Python 3.15 in both single‑threaded and multi‑threaded execution

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Today, this simple manager for python scripts with autodetect python modules and add to description for each script with Claude AI. See the source code: # -*- coding: utf-8 -*- import os import re import ast import sys import json import hashlib import subprocess import tkinter as tk from tkinter import ttk, messagebox import tkinter.font as tkfont DEFAULT_ROOT = "/storage/emulated/0/Download"

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See this source code: import random import string # Generate a random password of length 10 def generate_password(length): characters = string.ascii_letters + string.digits + string.punctuation return ''.join(random.choices(characters, k=length)) password = generate_password(10) print(password)

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Today, simple python script with pytorch and keras on android pydroid application.This script is a Tkinter graphical application designed to test and verify PyTorch and Keras packages in Pydroid 3. Right at launch, it tracks execution time down to milliseconds and displays the installed package versions in a status panel. All diagnostics run on a background thread to keep the user interface

Cătălin George Feștilăhttp://www.blogger.com/profile/10800322932529698711noreply@blogger.comtag:blogger.com,1999:blog-2577456377723588929.post-74628208914047019522026-10-02T23:54:12.565-07:002026-10-02T23:59:32.710-07:00

Today, this simple test with artificial intelligence from reflex chat bot show how good and fast can be with one simple task. Reflex compiles to a React frontend and a Starlette backend—the ASGI server that powers FastAPI. A familiar web stack, accessible to every Python developer. pandas, SQLAlchemy, scikit-learn, ...After I ask to create a simple G.U.I. interface with all features from reflex,

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The webz.io can be used with python: import requests response = requests.get( "https://api.webz.io/api/news?token=YOUR-TOKEN&q=%28category%3A%22economy%2C+business+and+finance%22+OR+category %3A%22war%2C+conflict+and+unrest%22+OR+category%3A%22science+and+technology%22+OR+category%3A%22disaster+and+accident%22 +OR+category%3A%22environment%22+ OR+category%3A%22labor%22%29&amp

Cătălin George Feștilăhttp://www.blogger.com/profile/10800322932529698711noreply@blogger.comtag:blogger.com,1999:blog-2577456377723588929.post-78290734092668118642026-09-28T11:57:27.248-07:002026-09-28T11:57:27.248-07:00

RapidFuzz is a fast and powerful Python library used for fuzzy string matching and similarity scoring. It is designed as a drop-in, high-performance alternative to the popular fuzzywuzzy library, offering significantly faster execution speeds because its core algorithms are implemented in C++ (via pybind11). ​What Can RapidFuzz Do? ​Calculate String Similarity: It measures how similar two strings

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Today, one simple example fast tool for images: Let's see this start source code: # -*- coding: utf-8 -*- """Image Editor - consistent GUI sizes (Pydroid / Android)""" import os import shutil import zipfile from datetime import datetime import tkinter as tk from tkinter import ttk, filedialog, messagebox, font as tkfont from PIL import Image, ImageTk, ImageOps, ImageEnhance VALID_EXTS = (".png",

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Today, one simple script tool for market. this allow to set one portofolio and use with simulations. Let'see some screenshots: The basic intro source code ... import datetime import json import threading import urllib.request import tkinter as tk from tkinter import ttk, messagebox import matplotlib matplotlib.use("TkAgg") from matplotlib.figure import Figure from

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The OpenAI Python library provides convenient access to the OpenAI REST API from any Python 3.10+ application. The library includes type definitions for all request params and response fields, and offers both synchronous and asynchronous clients powered by HTTPX2.See the official webpage.

Cătălin George Feștilăhttp://www.blogger.com/profile/10800322932529698711noreply@blogger.comtag:blogger.com,1999:blog-2577456377723588929.post-45382313948479192602026-09-22T00:19:15.057-07:002026-09-22T00:19:15.058-07:00

The PyPy team is proud to release version 8.0.0 of PyPy after the previous release on May 26, 2026. This is a major new version, hence the bump to 8.0.0. It is our first release of Python 3.12, which may still have some bugs so we are calling it "beta" quality.PyPy is written in RPython, and has code generation to translate RPython into C as part of the VM build process. We have made some

Cătălin George Feștilăhttp://www.blogger.com/profile/10800322932529698711noreply@blogger.comtag:blogger.com,1999:blog-2577456377723588929.post-3056999711754269732026-09-21T00:51:20.042-07:002026-09-21T00:51:20.042-07:00

About the marshmallow package It checks if your data has the correct fields. It verifies that each field has the right type. It helps you validate JSON before using it. It can convert Python data into clean JSON. About your this source code: It loads the marshmallow package when the app starts. It reads the JSON you type in the input box. It tries to convert that text into Python data. It

Cătălin George Feștilăhttp://www.blogger.com/profile/10800322932529698711noreply@blogger.comtag:blogger.com,1999:blog-2577456377723588929.post-6251073609551368352026-09-12T13:09:12.360-07:002026-09-21T00:40:03.332-07:00

The tvscreener is a lightweight Python library designed to extract and analyze real-time financial data directly from TradingView's API without requiring paid API keys or complex authentication. It provides quick access to technical indicators, fundamental metrics, historical performance, and volume data for international stocks and ETFs. Explore the source code and documentation on the official

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With Inkscape MCP, your coding agent can do everything a designer does in Inkscape — sketch and reshape paths, apply effects and filters, render LaTeX equations, generate barcodes and QR codes, convert between formats, query and rewrite document structure — through plain conversation instead of menu clicks. See the oficial webpage.

Cătălin George Feștilăhttp://www.blogger.com/profile/10800322932529698711noreply@blogger.comtag:blogger.com,1999:blog-2577456377723588929.post-17100180790745448652026-08-29T22:16:24.863-07:002026-08-29T22:16:24.863-07:00

...the data set includes 3,468 responses.See this survey on the official website.

Cătălin George Feștilăhttp://www.blogger.com/profile/10800322932529698711noreply@blogger.comtag:blogger.com,1999:blog-2577456377723588929.post-55942382191410364462026-08-29T04:31:07.153-07:002026-08-29T04:31:07.153-07:00

See the official youtube channel.

Cătălin George Feștilăhttp://www.blogger.com/profile/10800322932529698711noreply@blogger.comtag:blogger.com,1999:blog-2577456377723588929.post-13031875026579745122026-08-25T05:06:18.441-07:002026-08-25T05:06:18.442-07:00

The Google Cloud and NVIDIA teams are excited to announce an opportunity for you to win the ultimate developer experience! We are sending one lucky member from our developer community to NVIDIA GTC Berlin 2026 in Berlin, Germany (Oct 20-22). This is a unique opportunity for our developer community, and we hope you will participate in the contest! Be sure to read all the details below to learn how

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The script retrieves historical closing-price data for NVDA and VUAA.AS directly from Yahoo Finance. First tab displays a candlestick chart for the selected time range. Two Simple Moving Averages are calculated automatically; their periods adapt to the chosen interval (for example SMA 5/10 on short ranges and SMA 50/200 on longer ones) and are shown in the legend. Clear dates appear on the

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The script is a lightweight package manager for Pydroid 3, built with Tkinter, designed to help you inspect, back up, and restore your Python environment on Android. It reads all installed packages using importlib.metadata, which works reliably in Pydroid 3, and displays them in a scrollable text area. A Check button scans the environment and lists every package with its version, while a Copy

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Learn how to use the Python Tkinter colorchooser module to create interactive graphical interfaces. This simple script opens a native color picker dialog and instantly updates your application interface based on user selection.How the Python script functions:The colorchooser module is imported to launch the native system palette window. The askcolor function runs when triggered and waits for user

Cătălin George Feștilăhttp://www.blogger.com/profile/10800322932529698711noreply@blogger.comtag:blogger.com,1999:blog-2577456377723588929.post-76011887790361816662026-08-16T02:41:07.701-07:002026-08-16T04:44:27.113-07:00

Django's Steering Council has accepted the Django Enhancement Proposal DEP 20 to move Django to an annual release cycle. From January 2028, Django will make one feature release a year, giving every feature release the LTS-level three years of support, and version numbers will carry the feature release year: Django 2028, then Django 2029, and so on.See the official website.

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This tool helps you safely prepare source code for publishing on Blogger. You paste your code, press the convert button, and the app instantly transforms it into a format that displays correctly without being interpreted or altered by the platform. It keeps your code clean, readable, and protected. After conversion, you can copy the final result and insert it directly into your blog. It’s a fast

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