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stay [Shangsi Valley] Git and GitHub foundation complete tutorial - note 1 There is a brief introduction to Git, as well as commands such as adding add, submitting commit, withdrawing reset, etc. Let's recall the command of the last article, with good Txt as an example. catalogue 0 recall the content of the previous article 4.3. 5 forward a ...

1 what is aop aop is a technology to realize the unified maintenance of program functions through precompiled mode and runtime dynamic agent. aop, also known as aspect oriented programming, is the continuation of oop. It is not only a hot spot in software development, but also an important content in spring framework. It is a derivative generi ...

        After the last work, if you want to review or view the last content, you can click the following link, as shown below: You may also want to have your own AI model file format - (1)https://blog.csdn.net/Pengcode/article/details/121754272?spm=1001.2014.3001.5502         The main content of this t ...

1. Experimental purpose Master the definition and maintenance methods of entity integrity, reference integrity and user-defined integrity.     2. Experimental contents and requirements Define entity integrity and delete entity integrity. Be able to write two ways to define entity integrity   SQL   Statement: define e ...

1. Variable naming It can only contain numbers, underscores and letters Can only start with an underscore or a letter 2. Variable leveloverall situation:      Set from the command line or configuration file paly:      Set in play and related structures host:      Tasks collected or registered by lis ...

1. Generics 1.1 generic definitions       Pass the data type of a class / interface / method / variable to the class / interface / method / variable like using parameters.       Parameterization and arbitrariness of data types. 1.2 why do you need generics?       ...

1. Pre order printing node [problem description] the algorithm is designed to print the leaf nodes of the binary tree in the way of preorder traversal. [input form] a line of string, which is the preorder traversal sequence of the extended binary tree, which is used to construct the binary tree. [output form] the pre order leaf traversal s ...