Programmer Think

Author: my name is Liu Banxianhttps://my.oschina.net/liughDevelop/blog/1786631 The online server uses a certain cloud, running the Tomcat, MySQL, MongoDB, ActiveMQ and other programs happily and perfectly. Suddenly a bad news came from the front: the website can't be accessed! I am in charge of this project. I immediately opened the server at ...

Foreword: When we need to operate on redis, we need to start the redis-server service first, then start the redis-cli client to connect to the redis server to operate on it, or we can connect redis directly with the visual operation tool to operate on it.But what should we do if we need java programs to ...

Flask itself is equivalent to a kernel. Almost all other functions need to be extended, which needs to be implemented by third-party extensions. For example, you can use flask extensions to add ORM, form verification tools, file upload, authentication, etc. There is no default database for flask. You ...

brief introduction twirp Is a RPC framework based on Google Protobuf.Trp automatically produces server and client code by defining the service in the.proto file.Let's focus more on business logic.Huh?Isn't this gRPC?Unlike gRPC, which implements its own set of HTTP servers and network transport layers, twirp uses the standard library net/http.I ...

Preface With the development of the contemporary economy, the transportation environment is getting more and more tense, together with the transportation needs in mountainous areas, the development of tunnel traffic construction is in the ascendant.Tunnel traffic planning is becoming more and more complete, but there are some inadequacies in mo ...

With the wide application of NOSQL database, the extensible storage mode also has a good support in relational database. A new data type, JSON, has been added in MySQL 5.7   JSON data type meaning In fact, without the support of JSON data type, we can save the data in this format by varchar type or text type, but why do we need to specifica ...

Some time ago, a friend asked me about a problem their company encountered. He said that the back-end didn't realize paging function for some reason, so he returned 20000 pieces of data at a time, and let the front-end display them in the user interface with select component. After listening, I immediately understood his confusion. If the 20000 ...

The spring boot actuator monitors information about the application.The only disadvantage is that the monitoring information returned is data in JSON format. Another is that under the micro-service architecture, there are many instances of services, it seems impossible to see the monitoring information one by one, and so much address informatio ...

How to use alicloud oss to upload large files in pieces It's very easy to upload large files, but there are various problems in doing it. I just made one. Now record the process demand The company's new project needs to do a large file upload function, which saves some engineering project models and ...

As we explained in the previous section, gin can use the ShouldBind method to bind parameters to a structure, but we don't cover how parameter checking works. In this section, we describe how parameter checking and checking fail and then convert to Chinese to return to the front end. 1. Data Validation Let's start with a simple example: Create ...