摘要：In Shapely, you can use the unary_union method to merge a list of polygons into a single, unified polygon. Here's an example: from shapely.geometry im
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摘要：In Pandas, you can use the pd.concat function to merge two DataFrames horizontally (i.e., along columns). Here's an example: import pandas as pd # Sam
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摘要：To generate a new empty DataFrame with the same columns as an existing DataFrame in Pandas, you can use the pd.DataFrame constructor and pass the colu
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摘要：To convert a DataFrame to a GeoDataFrame in Pandas, you can use the geopandas.GeoDataFrame constructor and provide the geometry column. Here's an exam
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摘要：ref: Calculate Field Python examples An example:
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摘要：Using PyMuPDF (MuPDF) First, we need to install the PyMuPDF library: pip install pymupdf Then, we can use the following code to extract text from a PD
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摘要：In Python's regular expressions, (.*?) is a capturing group with a non-greedy quantifier. Let's break down the components: ( and ): Parentheses are us
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摘要：ref: Python RegEx A RegEx, or Regular Expression, is a sequence of characters that forms a search pattern. RegEx can be used to check if a string cont
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摘要：Here is the problem, this unstructured table of a PDF file can not be extrcted as a table directly. We can only extract the whole texts of every page.
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摘要：If your PDF tables have cells with multiple lines, and you want to merge those lines within the same cell when extracting the table, you might need a
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摘要：To batch rename columns in a Pandas DataFrame, we can use the rename method. Here is an example: import pandas as pd # Sample DataFrame data = {"ID":
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摘要：To add a new row to a Pandas DataFrame, we can use the append method or the loc indexer. Here are examples of both methods: Using append method: impor
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摘要：To replace a string in all cells of a Pandas DataFrame, we can use the str.replace() method, which allows us to perform string replacements on each el
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摘要：To extract tables from a PDF in Python, we can use several libraries. One popular choice is the tabula-py library, which is a Python wrapper for Apach
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摘要：To convert a GeoJSON file to a Shapefile in Python, you can use the geopandas library, which provides convenient tools for working with geospatial dat
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