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Article directory Third party components of the flash framework flask-session WTForms Verification method DBUtils database connection pool websocket Group chat Single chat Third party components of the flash framework flask-session Third party session, which is stored in the local database. ...

Note the comments in the yaml configuration file, and the indentation of the format I.1.Persistent Volume, or PV, is a network storage that has been configured by an administrator in the cluster, equivalent to a storage volume and a storage disk.Storage classes are automatically managed by administrators or by StorageClass.2.Persistent Volum ...

1. Flow chart: /* ** close at 12 loads ** As you can see from the browser console, the close method actually adds a display:none style ** Just hide the window, not really close it ** In addition, the advantage of loading the window in advance is that when printing, the loading animation will not appear, and the printing method ...

Exception handling and testing Error type exception handling Example 1 try to execute code that may cause exception exception exception capture exception Example 2 Example 3 finally raise Official python Exception document Code testing Test function Test class Illustrate with examples unit testi ...

This is my first time to write about reptiles. Although I have learned Python, it is only limited to dragonfly skimming the water. It really exceeds my experience and psychological expectation to make such a large amount of work. However, people always have to break through the comfort circle and make s ...

Reproduced from the public address: fun MySQL Author: Hong bin MySQL Router is the access portal of InnoDB Cluster architecture. In the architecture deployment, the official advice is to bind the router to the application side to avoid the router single point problem. Before that, there was a customer consultation about whether the router co ...

Java full duplex chat server (and client) Article directory Java full duplex chat server (and client) Design thinking Sign in Find chat object Send message summary Information processing module Message queue Customer verification module Information transceiver module Complete code Full code ...

Summary of this section In the previous section, we realized the function of adding books, then this section will mainly realize the function of book maintenance, that is, the query, modification and deletion of book records.   Book maintenance interface First of all, we need to get out the inter ...

Recently I learned the integrated development of SSM framework. Now I try to develop an employee management system by myself. I hope I can skillfully use SSM framework in the process of writing BUG. The development of B/S end is adopted in this system, and the tools used are ideas, 019, navicat and mysq ...

Link to mycat:Mycat official websiteMycat download linkOfficial documents of Mycat，Baidu online disk official document download link, extraction code: f9nq. Mycat short document Before you start, read the brief Mycat documentation to get a general idea of it. Note: MyCAT supports a variety of database access, including mongodb, oracle, sqlser ...