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Software industry is developing rapidly, fast knowledge update speed. In order not to fall behind, we must continue to learn.
Learn not only to learn new technical knowledge, but also to learn good programming ideas, programming ideas. At the same time, often rumination their current code to see if there are places that can be optimized to meet the scalability, robustness, and so on. Sit idle, just out of touch with social development, can not keep up with the times.