listbox1 = tkinter.Listbox(root, selectmode=tkinter.EXTENDED) listbox1.pack(padx=5, pady=5) # 插入的位置与信息 for food in foods: listbox1.insert(tkinter.END, food) # 这里设置删除选定的索引项 listbox1.delete(0) root.mainloop() 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12....
《第三章》(part0097.html#2SG6I0-260f9401d2714cb9ab693c4692308abe),深入移动取证配方,介绍了 iTunes 备份处理、已删除的 SQLite 数据库记录恢复,以及从 Cellebrite XML 报告中映射 Wi-Fi 接入点 MAC 地址。 《第四章》(part0127.html#3P3NE0-260f9401d2714cb9ab693c4692308abe),提取嵌入式元数据配...
deleted_time = parse_windows_filetime(raw_deleted_time[0]) file_path = raw_file_path.decode("utf16").strip("\x00")return{'file_size': file_size,'file_path': file_path,'deleted_time': deleted_time} 我们的sizeof_fmt()函数是从StackOverflow.com借来的,这是一个充满了许多编程问题解决方案...
executemany(sql, valuelist) conn.commit() print("插入成功!") except Exception as e: conn.rollback() print("insert with error", e) finally: cur.close() conn.close() # 查询数据库 def select_table_by_sql(self, sql): try: conn = self.db_connection() cur = conn.cursor() cur....
("batch1", "RUSTY-SOAPDISH", 100, eta=None) repo = repository.SqlAlchemyRepository(session) repo.add(batch) #(1) session.commit() #(2) rows = session.execute( #(3) 'SELECT reference, sku, _purchased_quantity, eta FROM "batches"' ) assert list(rows) == [("batch1", "RUSTY-...
df.info() <class 'pandas.core.frame.DataFrame'> RangeIndex: 6040 entries, 0 to 6039 Data columns (total 5 columns): UserID 6040 non-null int64 Gender 6040 non-null object Age 6040 non-null int64 Occupation 6040 non-null int64 Zip-code 6040 non-null object dtypes: int64(3), object(2...
set_non_blocking - set the non-blocking status of the connection Y - is_non_blocking - report the blocking status of the connection Y - getnotify – get the last notify from the server N 数据库不支持listen/notify。 inserttable – insert a list into a table Y copy命令中如果有\n,请使...
data <- RxSqlServerData( sqlQuery = "SELECT CRSDepTimeStr, ArrDelay FROM AirlineDemoSmall", connectionString = connectionString, colClasses = c(CRSDepTimeStr = "integer")) 因應措施是,您可以重寫 SQL 查詢來使用 CAST 或CONVERT,並使用正確的資料類型來向 R 呈現資料。 通常,效能最佳...
The random library is a built-in Python library, i.e, you do not have to install it. You can directly import it. We will look at 3 different ways to select a random item from a list using the random library. 1. Random Index¶ ...
To select a Pyenv-installed Python as the version to use, run one of the following commands: pyenv shell <version>-- select just for current shell session pyenv local <version>-- automatically select whenever you are in the current directory (or its subdirectories) ...