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Fix grammar and translations for 11.4.md

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2014-12-06 13:31:42 -08:00
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# 11.4 Summary
In this chapter we were introduced through three subsections Go language how to handle errors, how to design error handling, and then a second section describes how to GDB debugger GDB we can single-step through the debugger, you can view variables, modify variables, print implementation process, etc. Finally, we describe how to use the Go language comes with a lightweight frame `testing` to write unit tests and stress tests, the use of `go test` you can easily perform these tests allow us in the future to modify the code after upgrade very convenient for regression testing. Perhaps for this chapter you write application logic without any help, but for you to write out the program code is essential to maintain high quality, because a good Web application must have good error handling mechanism(error of friendly, scalability), there is a good unit testing and stress testing to ensure on-line after the code is able to maintain good performance and runs as expected.
Over the course of the last three sections, we've introduced how to handle errors in Go, first looking at good error handling practices and design, then learning how to use the GDB debugger effectively. We saw that with GDB, we can perform single-step debugging, view and modify our program variables during execution, and print out the relevant process information. Finally, we described how to use Go's built-in `testing` framework to write unit and stress tests. Properly using this framework allows us to easily make any future changes to our code and perform the necessary regression testing. Good web applications must have good error handling, and part of that is having readable errors and error handling mechanisms which can scale in a predictable manner. Using the tools mentioned above as well as writing high quality and thorough unit and stress tests, we can have peace of mind knowing that once our applications are live, they can maintain optimal performance and run as expected.
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