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随笔分类 -  Python Study

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Study of Python.
[1114] Extract the Dataframe from a table on the webpage
摘要:Here is the screenshot of the webpage. Here are the copied texts. Legislation and compliance News and media NSW Environment Protection Authority (EPA) 阅读全文

posted @ 2025-02-25 12:28 McDelfino 阅读(2) 评论(0) 推荐(0) 编辑

[1113] Extract the list of items from a dropdown menu on a HTML text
摘要:Following the scripts from the previous blog, here is another example: from bs4 import BeautifulSoup html = """<select name="dbcboNarrowSearchNoticeTy 阅读全文

posted @ 2025-02-25 12:01 McDelfino 阅读(2) 评论(0) 推荐(0) 编辑

[1112] Extract the list of items from a dropdown menu on a webpage
摘要:To extract the list of items from a dropdown menu on a webpage, you can use web scraping tools like BeautifulSoup and Selenium in Python. Here's a ste 阅读全文

posted @ 2025-02-24 13:41 McDelfino 阅读(2) 评论(0) 推荐(0) 编辑

[1111] Convert a tab-separated text to a pandas DataFrame
摘要:To convert a tab-separated text to a pandas DataFrame, you can use the pandas library. Here's how you can do it: Install pandas (if you haven't alread 阅读全文

posted @ 2025-02-24 13:39 McDelfino 阅读(2) 评论(0) 推荐(0) 编辑

[1110] GeoPandas - Merging Data
摘要:References: https://geopandas.org/en/stable/docs/user_guide/mergingdata.html#merging-data There are two ways to combine datasets in GeoPandas - attrib 阅读全文

posted @ 2025-02-21 12:08 McDelfino 阅读(8) 评论(0) 推荐(0) 编辑

[1099] Extract the text from HTML
摘要:Here's an example using Python with the BeautifulSoup library to get the text inside the <option> tags: from bs4 import BeautifulSoup html = ''' <opti 阅读全文

posted @ 2025-02-19 10:17 McDelfino 阅读(1) 评论(0) 推荐(0) 编辑

[1098] Getting Started with the DeepSeek API
摘要:References: Getting Started with the DeepSeek API Making API Requests with Python Now that you have your API key and necessary dependencies, you’re re 阅读全文

posted @ 2025-02-18 12:21 McDelfino 阅读(6) 评论(0) 推荐(0) 编辑

[1097] Converting 3D geometries to 2D geometries in a GeoDataFrame
摘要:MultiPolygon import geopandas as gpd from shapely.geometry import MultiPolygon, Polygon # Sample GeoDataFrame with 3D multipolygons data = {'geometry' 阅读全文

posted @ 2025-02-14 13:46 McDelfino 阅读(1) 评论(0) 推荐(0) 编辑

[1090] Use Python to compare the files in two folders and merge their contents
摘要:You can use Python to compare the files in two folders and merge their contents. Here’s a simple approach using the filecmp and shutil modules to reco 阅读全文

posted @ 2025-01-14 07:01 McDelfino 阅读(6) 评论(0) 推荐(0) 编辑

[1085] GitHub Resources and Tools
摘要:Ref: About GitHub and Git About GitHub GitHub is cloud-based platform where you can store, share, and work together with others to write code. Storing 阅读全文

posted @ 2025-01-09 10:37 McDelfino 阅读(5) 评论(0) 推荐(0) 编辑

[1084] Setting Up PyQGIS for Standalone Scripts on Windows: A Step-by-Step Guide
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posted @ 2024-12-12 07:33 McDelfino 阅读(0) 评论(0) 推荐(0) 编辑

[1083] Information extraction from the NetCDF (.nc) file
该文被密码保护。

posted @ 2024-12-10 08:18 McDelfino 阅读(0) 评论(0) 推荐(0) 编辑

[1082] QGIS tools, Clip raster by mask layer, Raster calculator, Polygonize, Clip
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posted @ 2024-12-09 11:56 McDelfino 阅读(0) 评论(0) 推荐(0) 编辑

[1081] The syntax and usage for the drop_duplicates and duplicated functions in a GeoDataFrame in GeoPandas.
摘要:Certainly! Here's the syntax and usage for the drop_duplicates and duplicated functions in a GeoDataFrame in GeoPandas. drop_duplicates Function The d 阅读全文

posted @ 2024-12-04 14:13 McDelfino 阅读(14) 评论(0) 推荐(0) 编辑

[1080] Remove duplicated records based on a specific column in GeoPandas
摘要:To remove duplicated records based on a specific column in GeoPandas, you can use the drop_duplicates method. Here's how you can do it: Example Script 阅读全文

posted @ 2024-12-04 14:10 McDelfino 阅读(10) 评论(0) 推荐(0) 编辑

[1079] QGIS tools to python code
摘要:Steps: Open the Processing Toolbox in QGIS. Search for the desired tool, such as the Raster Calculator. Set the parameters for the selected tool accor 阅读全文

posted @ 2024-12-03 11:12 McDelfino 阅读(9) 评论(0) 推荐(0) 编辑

[1078] To import an existing Python environment in Visual Studio Code (VSCode)
摘要:References: Python environments in VS Code To import an existing Python environment in Visual Studio Code, follow these steps: 1. **Open Visual Studio 阅读全文

posted @ 2024-11-19 13:07 McDelfino 阅读(7) 评论(0) 推荐(0) 编辑

[1075] Groupby method in pandas
摘要:You can achieve this using the groupby method along with agg to join the values of other columns with a newline character (\n). Here’s a step-by-step  阅读全文

posted @ 2024-11-06 08:42 McDelfino 阅读(12) 评论(0) 推荐(0) 编辑

[1074] Using an if...else statement within the apply function in pandas
摘要:Here's an example of using an if...else statement within the apply function in pandas: Example Import Pandas: import pandas as pd Create a Sample Data 阅读全文

posted @ 2024-11-06 06:55 McDelfino 阅读(6) 评论(0) 推荐(0) 编辑

[1073] Calculate intersected polygons that do not share the same boundaries
摘要:Key concept: The intersection part is the Polygon or PolyLine. If they share the same boundary, it will be the line. To use the geopandas.sjoin() func 阅读全文

posted @ 2024-11-04 06:44 McDelfino 阅读(12) 评论(0) 推荐(0) 编辑

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