View gcc default macro definition

Basic commands Execute the gcc -E -dM test.c command to view the default macro definition of gcc on the current system, where test.c is a c source file with empty content. Extension Embedded gcc can add CPU parameters to see the default macro definition of gcc under the current compilation configuration, for example, execute the […]

Reasons why training loss does not decrease

Table of Contents Reasons why training loss does not decrease 1. The learning rate is too large or too small 2. Data preprocessing issues 3. Model complexity issue 4. Data set size issue 5. Parameter initialization problem Example: Application scenario of why training loss does not decrease in image classification tasks 1. Data preprocessing issues […]

jsp+servlet campus forum campus bbs (administrator, user) based on javaweb+mysql (java+jsp+servlet+mysql)

jsp + servlet campus forum campus bbs (administrator, user) based on javaweb + mysql (java + jsp + servlet + mysql) Private message Source code acquisition and debugging communication Operating environment Java≥8, MySQL≥5.7, Tomcat≥8 development tools eclipse/idea/myeclipse/sts, etc. can be configured to run Be applicable Course design, major assignments, graduation projects, project exercises, learning demonstrations, […]

Skywalking process analysis_2 (configuration loading and custom class loader initialization)

Read configuration SnifferConfigInitializer.initializeCoreConfig(agentArgs)This method is to read the configuration file. The file agent.config is read in this method public static void initializeCoreConfig(String agentOptions) {<!– –> //Start loading configuration information priority (the smaller the number, the greater the priority) 1: The age of the startup command nt parameter 2: system environment variable 3: configuration of agent.config […]

Can requests initiated by JS in the front end be paused?

Recommend a practical interview question bank to everyone 1. Front-end interview question bank (Essential for interviews) Recommended: Address: Web front-end interview question bank This question is very interesting. As soon as I saw it, I thought of a lot of answers to it, but the comment area was too narrow, so I just opened an […]

Initialization program of 3-axis acceleration sensor QMA6100P

QMA6100P attitude sensor initialization program Article directory Preface 1. Brief description 2. Usage steps 1.IIC basic configuration (iic.c file) 2. Register address of QMA6110P (qma6100p.h file) QMA6100P ID and data reading function (qma6100p.c file) main program Foreword The initialization program of the domestic 3-axis acceleration sensor QMA6100P, the HK32 MCU, and the entire project can […]

k8s’s Init Containers container implements code version upgrade release and deployment version rollback: practical operation version

Initialization containers in Pod: Init Containers Theoretical premise of initContainers implementation: Containers in the same Pod share network, volume and other resources Init Containers In Kubernetes, an init container is a container that is started and executed before other containers in the same Pod. Its purpose is to perform initialization logic for the main application […]

Spring IOC – BeanDefinition parsing

1. Properties of BeanDefinition BeanDefinition as an interface defines the get and set methods of properties. These attributes are basically defined in its direct implementation class AbstractBeanDefinition. The meaning of each attribute is as shown in the following table: Type Name Meaning Constant SCOPE_DEFAULT Default scope: singleton mode AUTOWIRE_NO no autowiring AUTOWIRE_BY_NAME Autowire by name […]

About defining the interface Comparable (comparator) to compare the sizes of two objects

1. Topic: Comparing the sizes of objects of different reference types: Requirement description: Although the student category and the news category are completely different categories, they both have the ability to compare. For example, you can compare the size of two students, but you need to specify whether the comparison is based on student number, […]