Activiti, an open source process engine, uses Business ProcessModel and Notation to provide a standard way to capture businessprocesses and to convert those models into executable code. It'slightweight and integrates seamlessly with standard applicationsoftware such as Spring. Also included is a set of design andmanagement tools that even helps developers who have never used aprocess engine get productive quickly.

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Pytesseract是一個Python的OCR庫，它可以識別圖片中的文本并將其轉換成文本形式。Pytesseract基于Google的Tesseract OCR引擎，具有較高的準確性和可靠性。它可以讀取多種格式的圖片，包括PNG、JPEG、GIF等。Pytesseract可以應用于自然語言處理、數據挖掘、OCR識別等領域。

近日在嘗試引用其他文件的代碼時，遇到了錯誤: ImportError: attempted relative import with no known parent package.

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當python要做編碼轉換的時候，會借助于內部的編碼

由于字典屬于可變序列，所以我們可以任意操作字典中的鍵值對（key-value）。Python 中，常見的字典操作有以下幾種： 向現(xiàn)有字典中添加新的鍵值對。 修改現(xiàn)有字典中的鍵值對。 從現(xiàn)有字典中刪除指定的鍵值對。 判斷現(xiàn)有字典中是否存在指定的鍵值對