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Java Captain

May 15, 2025 · Backend Development

Generating Temperature Line Charts in Excel with Apache POI (Java)

This tutorial demonstrates how to add Apache POI dependencies via Maven and use Java code to create an Excel workbook containing a multi‑series temperature line chart, including custom font sizes for titles and axes, and finally export the file to disk.

Apache POIData VisualizationExcel

0 likes · 8 min read

Generating Temperature Line Charts in Excel with Apache POI (Java)

360 Quality & Efficiency

Jan 19, 2024 · Frontend Development

Testing Common Issues and Case Studies for Various Chart Types

This article examines chart‑related requirements from a software tester’s perspective, outlining testing points, typical problems, and concrete case‑based test‑case designs for line, pie, and radar charts to improve test quality and efficiency.

Line ChartRadar ChartUI testing

0 likes · 7 min read

Testing Common Issues and Case Studies for Various Chart Types

FunTester

Aug 30, 2019 · Fundamentals

Creating Scatter and Line Charts with Python Plotly: A Step-by-Step Tutorial

This article describes how the author overcame Jupyter setup issues and used Python with Plotly to generate scatter and line chart examples, providing the full source code and screenshots of the final visualizations.

Data VisualizationLine ChartPlotly

0 likes · 4 min read

Creating Scatter and Line Charts with Python Plotly: A Step-by-Step Tutorial