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 […]
Tag: init
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 […]
[Web Test] JavaScript function definition and call
Function 1. Definition and calling of functions 2. Anonymous functions 1. Definition and calling of functions 1. Function: also known as “method”, solves the problem: realizes the encapsulation of code blocks corresponding to different functions ?Example: Function/method—–>Encapsulated code block—–>Realize a certain function <!DOCTYPE html> <html> <head> <meta charset=”utf-8″> <title></title> </head> <body> <script language=”javascript”> //Fun01 with […]
Initial MySQL (2) (add, delete, check and modify tables)
Table of Contents Modify table CRUD (add, delete, modify, check) insert statement (add data to the table) update statement (modify data in the table) delete delete statement select statement Modify table Add column ALTER TABLE tablename ADD (column datatype [DEFAULT expr] [, column datatype] …); Modify column ALTER TABLE tablename MODIFY (column datatype [DEFAULT expr] […]
k-Wave丨Photoacoustic imaging simulation丨Definition of Gaussian sensor frequency response + comparison of simulation functions + setting of initial pressure gradient (5)
This article introduces– 1.How to define Gaussian sensor frequency response: How to express the frequency response of a detector (for example: piezoelectric ultrasonic transducer) when the response has a Gaussian shape, based on the example of a homogeneous propagation medium; 2.Comparison of simulated functions: Introducing a brief comparison between the simulated functions “kspaceFirstOrder2D” and “kspaceecondorder”. […]
(5) Betaflight transplanted to keil – BF_OS initialization
Table of Contents 5.6.3 BF_OS initialization 5.6.3.1 systemInit() function system_clock_config(); cycleCounterInit(); 5.6.3.2 tasksInitData() function (1)TASK_COUNT: (2) task_t (task control block data type): (3) task_attribute_t: 1. const int8_t staticPriority; priority attribute 5.6.3.3 tasksInit(); function (1) queueAdd() function (2)getTask() function (3) clockMicrosToCycles() function (4) Get DWT count 5.6.3 BF_OS initialization (1)dshot It is the control protocol of […]