Learning notes on knowledge points of HttpServlet

Servlet concept step Principle of execution life cycle Servlet 3.0 annotation configuration The architecture of Servlet GenericServlet: the default null implementation of other methods in the Servlet interface, only the service() method as an abstraction When defining a Servlet class in t ...

Posted on Thu, 11 Jun 2020 02:31:38 -0400 by Duswa

Using Kotlin to develop Android application (10) - Navigation of architecture components

Navigation of architecture components Navigation component is a library that can manage complex navigation, transition animation, deep link and compile time check parameter transfer among multiple screens in the application To use Navigation, you need to build.gradle Add dependency to: implementation 'androidx.navigation:navigation-fragment: ...

Posted on Thu, 11 Jun 2020 00:51:42 -0400 by df75douglas

Add a SpringBootAdmin monitoring

0. Preface In the previous chapters, we first built a project framework, and then built a gateway project using nacos. There are not too many things configured in the gateway project. Now we will build another important project in Spring Cloud microservices spring boot admin 1. Introduction to spring boot admin Spring Boot Admin is used to mon ...

Posted on Wed, 10 Jun 2020 21:43:28 -0400 by ptolomea

Simple implementation of Android Notepad function

The implementation of Android Notepad function time stamp Time stamp of edit box Get system time and transform format Save the time to the database and update the time every time you modify it About the layout of time Initialize view Time stamp for notepad list Time to get each note from the data ...

Posted on Tue, 09 Jun 2020 03:50:09 -0400 by sumday

. NET Core integrates log4net and global exception capture

1, Foreword Log4net is a well-known log provider. When. NET Core released 1.0, log4net was already supported. However, there is no log4net in the official log provider recommended by. NET Core, and I don't know the internal reason. Write a gadget with. NET Core, in which log4net is used for logging. This paper mainly records how to integrate lo ...

Posted on Tue, 09 Jun 2020 00:09:50 -0400 by phreud

Official introduction to Android CameraX

Getting started with CameraX 1. Before you start 2. Create project 1) Project new 2) Add Gradle dependency 3) Create viewfinder layout 4) Settings MainActivity.kt 3. Request camera permission 4. Implementation preview case 5. Implement ImageCapture use case 6. Implement image analysis use case 7. C ...

Posted on Mon, 08 Jun 2020 23:25:51 -0400 by rushdot

activiti learning - regular user task jump (return, free jump function)

summary Through the understanding of the previous articles, at present we have enough knowledge to jump to the regular userTask. In the "Chinese process", rejection, free jump and so on are all realized by this way. It can be said that this is also an important part of the activiti process ...

Posted on Mon, 08 Jun 2020 23:03:55 -0400 by Democreous

Section oriented thinking of spring AOP

Section oriented thinking of spring AOP Three ideas of spring IOC control reverse DI dependency injection AOP (Aspect Oriented Programming) makes up for the shortage of object-oriented programming It is realized by precompiling and runtime dynamic agent A technique for unified maintenance of sequenti ...

Posted on Sun, 07 Jun 2020 23:31:20 -0400 by sennetta

ELK Docker integrated. net abp log4net use

This paper mainly records the use of ELK to complete the business system log collection, mainly using log4net for data entry and docking. Related connections: ELK docker img: https://hub.docker.com/r/sebp/elk Documentation: https://elk-docker.readthedocs.io/#usage Docker version installation: docker ru ...

Posted on Sun, 07 Jun 2020 23:27:30 -0400 by Jewelie

Printing and design of C ා label (bar code)

The last article talked about barcode printing, mainly through reading the template definition file (XML file), and then combining the dynamic data read from the database to generate barcode. Here is how to design the barcode template. The design process is also very simple, just a simple drag. Then click the small arrow or the command in the l ...

Posted on Sun, 07 Jun 2020 04:04:26 -0400 by tim