Internal and external repair is the highest state (Levi's Point of view)-both understand the principle, but also learn to use

After understanding the persistence capabilities and principles provided by the VCL framework, the next question is how do we use this knowledge to increase our ability to develop our own Delphi applications on a daily basis? This is a good question, because I have observed that many programmers are very satisfied after they have learned some specific technology, and no further discussion can be made on how to apply these techniques. But I think, if really can use the technology learned to be really mastered the meaning of it, internal and external repair is the highest state. So in this section we will use several examples of Delphi persistence to show how we can use what we have learned in the front. --from "Inside VCL" p495

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I think there are 2 layers of meaning:

1. To understand the implementation of some principles, and the functions it provides
2. To learn to use these functions in their own projects, it is really understood

The 1th is difficult here, but it's not easy to do 2nd.
But if it is a cause and effect, only to use certain functions, and do not understand its principle, it is only the superficial fur is learned, absolutely not.

Write here, I suddenly think of my own college entrance examination of the math problem, before reviewing the time encountered, I think will do, did not do it personally, the results of the college entrance exam met but still will not, because the lack of this "outside."

Internal and external repair is the highest state (Levi's Point of view)-both understand the principle, but also learn to use