CommonsCollections3 In CC1 and CC6, we finally called the calculator through Runtime.exec. From CC3, we will introduce a method to play the calculator without using Runtime, which is the dynamic class loading and dynamic class often mentioned in Java. Loading allows us to load a malicious class through a path. If the malicious class has […]
Tag: invoke
FISCO BCOS 9. Java SDK to deploy and invoke smart contracts
Directory 1. Installation environment 2. Build a FISCO BCOS chain 3. Develop smart contract applications Step 1. Create a Maven application Step 2. Import Java SDK Step 3. Configure the SDK certificate Step 4. Prepare the smart contract Step 5. Create a configuration file Step 6. Use the Java SDK to deploy and call the […]
P/Invoke’s C# calls the dynamic link library DLL
Tools and frameworks involved in this chapter: 1. Visual Studio 2022 2. .net 6.0 What is P/Invok? The full name of P/Invoke is Platform Invoke (Platform Invoke), which is actually a function calling mechanism. Through P/Invoke, functions in unmanaged Dlls can be called. Before we start, we first need to understand the difference between managed […]
Android TvSettings Bug: The password box cannot be clicked to invoke the input method
Overview The Box solution of Android 10 uses TvSettings as the system setting by default. The habit of input operation is to use the mouse, keyboard, and remote control. There is no problem in daily scenes, and the problems mentioned in this article will not appear. When the external USB touch screen is connected, the […]
uniapp H5 invokes the mobile map application or jumps to the web version to realize the map navigation function
1. Fill in the key of the map in the manifest.json file 2. <map :scale=”14″ :show-location=”true” :show-compass=”true” style=”width: 100%; height: 1335rpx;” :latitude=”position.latitude” :longitude=”position.longitude” :markers=”markers” @markertap=”handleOpen” @callouttap=”handleOpen” /> <view class=”application” @click=”handleOpen”>Start Navigation</view> 3. data() { return { countryName: ”, //address name position: { latitude: 0, longitude: 0, name: ”, address: ‘mark point address’ }, } }, […]
“Hand tearing Mybatis source code” 08 – dynamic proxy invoke method
Dynamic proxy invoke method question mapperProxy.findByCondition(1); How to add, delete, modify and check? After the proxy object is generated through the JDK proxy method, the proxy method can be executed through the proxy object public class MybatisTest {<!– –> /** * Question 3: How does mapperProxy.findByCondition(1); add, delete, modify, and check? * Answer: invoke() —> […]
Java anonymous inner class, invoke method, dynamic proxy
1. Anonymous inner class An anonymous inner class is generally used as a parameter of a method. The formal parameter of this method is an interface, and the actual parameter is an anonymous inner class (which can be understood as an interface object) and rewrites the method in the interface. Writing form: new <interface name>(){<!– […]
In-depth analysis of fabric’s peer command (3) chaincodeInvokeOrQuery method
title: In-depth analysis of fabric’s peer command (3) chaincodeInvokeOrQuery method date: 2023/6/3 10:24 tags: fabricblockchain categories: Blockchain top_img: ./img/41.jpg cover: ./img/66.jpg Walking around, came to fabric/internal/peer/common/common.go chaincode.go calls the chaincodeInvokeOrQuery method 1. chaincodeInvokeOrQuery(Command, bool, ChaincodeCmdFactory) method source code func chaincodeInvokeOrQuery(cmd *cobra.Command, invoke bool, cf *ChaincodeCmdFactory) (err error) {<!– –> spec, err := getChaincodeSpec(cmd) if err […]
DUBBO 3.x is compatible with invoke calls
After upgrading from version 2.7.22 of DUBBO to version 3.x, it was found that invoke failed The first is to report an error at startup. After commenting out the configuration dubbo.protocol.telnet=invoke, the program can run, but invoke fails. By comparing the source code Example: tag-3.0.10 tag-2.7.22 It is found that the versions after 3.0.2 have […]
The core method of spring is only invokeBeanFactoryPostProcessors
invokeBeanFactoryPostProcessors is the place where BeanDefinition in the project is loaded into beanDefinitionMap, and the implementation class of BeanFactoryPostProcess is called back . First add four extension classes to the spring container for the following demonstration. HandFactoryPostProcessor: The implementation class of BeanFactoryPostProcessor manually added to the spring container public class HandFactoryPostProcessor implements BeanFactoryPostProcessor {<!– –> […]