Soft work practice winter work (2 / 2)

Which course does this assignment belong to Soft worker Where are the requirements for this assignment Operational requirements The goal of this job Design and develop a program for epidemic statistics, learn how to optimize the program, learn how to use GitHub, learn how to use PSP (personal software development process), and learn how ...

Posted by Tryfan on Wed, 19 Feb 2020 21:00:14 -0800

Spring cloud -- config configuration center

Config Server configuration It provides centralized external configuration for microservices, and configuration server provides centralized external configuration for various environments of each microservice application. Configuration information and business code are managed separately to support dynamic configuration of multiple environm ...

Posted by EWaveDev on Thu, 13 Feb 2020 07:21:58 -0800

Bug0: resolve java.io.FileNotFoundException error encountered when Hadoop plug-in runs

Problem description The following error occurred during running WordCount program in Eclipse with plug-ins (instead of manually packing and uploading servers): DEBUG - LocalFetcher 1 going to fetch: attempt_local938878567_0001_m_000000_0 WARN - job_local938878567_0001 java.lang.Exception: org.apache. ...

Posted by jeffshead on Wed, 12 Feb 2020 06:32:57 -0800

How do I import the system UI to Android studio step by step

Next, I will introduce the system UI to Android studio step by step. Modify the code of the relevant modules of the system. If it's a small modification, it's OK. If it needs more changes, it's best to import the source code into Android studio to modify. The modification efficiency will be improved ...

Posted by deadlyp99 on Tue, 04 Feb 2020 05:44:56 -0800

Cartland number (Java) + java basic knowledge

Enter the eclipse interface Step 1: File - > New - > java project - > name - > finish Step 2: enter the project you just built, right-click SRC - > New - > package - > name - > finish Step 3: enter the package you just created, right-click name - > New - > class - > name (note that if you han ...

Posted by saqibb on Fri, 31 Jan 2020 12:10:21 -0800

Simple calculator designed by Android

1. Design tasks and requirements (1) design a calculator based on Android system to realize the arithmetic of addition, subtraction, multiplication and division, and the operation of clearing and canceling. The interface design should be as simple and beautiful as possible, with good interaction, and ...

Posted by warrenk on Wed, 22 Jan 2020 10:01:15 -0800

java Multithread sharing data, thread synchronization and mutual exclusion

Written in front In this paper, taking the ticketing system as an example, two ways of sharing data among java multithreads, thread synchronization, are introduced. There may be many deficiencies in the article. Please understand and welcome comments from the big guys. What this article uses java e ...

Posted by fatal on Mon, 20 Jan 2020 23:50:01 -0800

Calling annotated methods through reflection

When I was learning Spring Aop, I learned that the underlying implementation of spring is basically annotation plus reflection.It's like writing your own very small test code and trying it out.But there are some minor episodes in the process.   I want to invoke the @Tag marked part of the method he ...

Posted by Brentley_11 on Mon, 20 Jan 2020 19:14:24 -0800

OOM, don't panic. I'll teach you how to locate

This slag is writing BUG this morning. A problem has been thrown by TL. It is said that there is something wrong with the platform that makes me healthy. After an operation finds the error log, I'm foolishly out of memory error. I can also write this thing, but I haven't located it. org.springframew ...

Posted by FRSH on Thu, 16 Jan 2020 20:14:32 -0800

Eclipse connecting to SQLserver mining road

Step 1: configure SQL Server (2016), log in to SQL Server under windows, right-click sa under the security login name, and enter the property change. Then, uncheck the enforce password policy to modify the password. After the password is modified, log out and log in again using the account with the user name sa. Step 2: rig ...

Posted by warydig on Tue, 07 Jan 2020 07:05:05 -0800