ContentService uses the observer mode, and APP registers Uri messages of interest to ContentService through ContentResolver.When the corresponding data changes, ContentResolver calls the notifyChange function to notify ContentService of the corresponding Uri data changes, ContentService queries the corr ...
Posted by anoesis on Thu, 18 Jun 2020 18:22:30 +0200
1, Publish message to redis
1. Create a new springboot project
Create a new redis queue for the springboot project.
2. Introduce dependency
The introduction of related dependencies, in which lombok is used, requires the installation of lombok plug-ins.
<?xml version="1.0" encoding="UTF-8"?>
Posted by sixdollarshirt on Thu, 18 Jun 2020 12:28:50 +0200
1, Knowledge points
2.1 example 1 obtaining request parameters
2.1.2 test results
2.2 example 2 returns the string array corresponding to the request parameter according to the name of the request parameter
2.2.1 in index.jsp Write form
2.2.2 modification Login. ...
Posted by chedong on Thu, 18 Jun 2020 06:37:31 +0200
I java.lang Class in package does not need to import package
java.lang Package is the core of Java language, which provides the basic classes in Java. Including basic Object Class, Class class, String Class, basic type wrapper Class, basic math Class and other basic classes.
2. 8 basic types of initialization default va ...
Posted by manamino on Thu, 18 Jun 2020 06:01:02 +0200
Previous Binder mRemote's Past and Present PowerManger.isScreenOnThe calling process for () has already been called BinderProxy.transact();
public boolean transact(int code, Parcel data, Parcel reply, int flags) throws Remote ...
Posted by Ajita on Thu, 18 Jun 2020 03:26:45 +0200
Write in front
There are not a few articles about qiniu cloud uploading pictures, but they just use the test domain name given by qiniu cloud. As a webmaster, after upgrading his domain name to https, the obsessive-compulsive patients are not allowed to have the three words of insecurity in the brow ...
Posted by Salis on Wed, 17 Jun 2020 08:52:21 +0200
1. Problem description
I do project services: start in the Intranet environment, all links related to the Internet need to go through transparent agent.Alibaba cloud sdk: encapsulate all operations related to http. We can't configure HTTP related settings.
To solve the problem 1: how can intranet serv ...
Posted by Simmo on Wed, 17 Jun 2020 07:11:50 +0200
When there is a one to many mapping relationship between objects, in order to detect the change of an object, all objects that depend on the object can be notified in time to make changes in response. This mode is called observer mode.
The observer and the observed are ...
Posted by sevenmenkes on Wed, 17 Jun 2020 07:07:39 +0200
In our daily interface development process, we may have to face some slightly more complex business logic code writing. Before executing the real business logic, we often need to carry out a series of pre verification work, which can be divided into parameter validity verification and business data verification.
Parameter validity ...
Posted by mahenderp on Wed, 17 Jun 2020 04:34:10 +0200
1. Build a framework for SpringMVC based on Project 1's case.(Item 1: http://blog.csdn.net/escore/article/details/49490625)
2, we create a new java class
The first method in the class returns ModelAndView directly, while the other three methods return strings and inject Map, Mo ...
Posted by katarra on Wed, 17 Jun 2020 02:51:56 +0200