Polars rolling_sum bug with NaN and null in 1.31.0: reproduction, explanation, fix, workarounds

Oct. 24, 15:00

Match SQL Server/Synapse SQL CAST(HASHBYTES SHA-256) BIGINT in PySpark: Endianness and 8‑byte Slice

Oct. 24, 13:00

Python turtle image not showing: fix Tkinter PhotoImage by using file= when registering shapes

Oct. 24, 11:00

PyTorch torch.roll: Rotate Tensors Left/Up with Negative Shift (Opposite Direction, not flip)

Oct. 24, 09:00

Fixing ALSpeechRecognition 'modifiable_grammar' Crash on Pepper (NAOqi): Language-Swap Guide

Oct. 24, 07:00

Fixing Slow CLOB Updates in python-oracledb: Taming LOB Round Trips and Cloud Latency

Oct. 24, 05:00

Stream JSON from .json.zstd in Python: Decompress with Zstandard and parse incrementally with ijson

Oct. 24, 03:00

Tesseract OCR chi_sim Returning Empty Text on Chinese Images: Causes, Preprocessing, and Fixes

Oct. 24, 01:00

Make pandas show the index in marimo like Jupyter: render DataFrame HTML to display row index

Oct. 23, 23:00

Fix CSV to Excel conversion in pandas: prevent scientific notation as text, handle metadata

Oct. 23, 21:00

Tkinter ScrolledText Sizing Explained: Width in Characters, Height in Lines, Not Pixels

Oct. 23, 19:00

Extending pytest Fixtures in Class Inheritance: Avoid Recursive Dependency with Aliasing

Oct. 23, 17:00

Fade Out Text After Typing Without Opacity: Gradual Color Shift Toward Background (Code Example)

Oct. 23, 15:00

Fixing Pandas to SQL Server batch inserts with pyodbc: convert NaN/pd.NA to None in fast_executemany

Oct. 23, 13:00

Fixing Flask SQLAlchemy AttributeError: 'NoneType' has no attribute 'lower' in Gravatar hashing

Oct. 23, 11:00

Django ManyToMany AND Filter: Set-Based Aggregation with Count for Matching All Related Values

Oct. 23, 09:00

Vectorized trend labeling in pandas DataFrame using groupby.transform: TrendUp, TrendDown

Oct. 23, 07:00

Fix empty MP3 in Tkinter text-to-speech (macOS): pyttsx3 error, gTTS fix, use asksaveasfilename

Oct. 23, 05:00

Why PIL Images Look Crisp but NumPy Arrays don't in Matplotlib, and the Grayscale Fix for EasyOCR

Oct. 23, 03:00

Pygame Sprite Invisible? Fix set_colorkey Transparency and Reversed Y Movement (Step-by-Step)

Oct. 23, 01:00

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