Abstract: To improve the comprehensiveness of hash algorithms, an image hash combining multidimensional features and spatial structure is proposed. Firstly, the multidimensional feature matrix is ...

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Abstract: A general problem in multi-node systems is data synchronization, where the most used method uses synchronous data updating. All changes made by the user are immediately reflected in the data ...

This is a subtask of issue #1. selectrow_hashref が非標準なハッシュ構造を返す問題。 期待される動作: 全てのカラムが正しいキー名で返される 実際の動作: カラム名が不正に変換される（messageが'value ...