Found a total of 10000 related content
How to find the parent process ID (PPID) of a process?
Article Introduction：To check the parent process ID (PPID) of the process, the method varies from system to system. ① In Unix-like systems, you can use the ps command to query the PPID of the specified PID with the -o parameter, such as ps-oppid=-p; if the process name is unknown, use ps-ef|grep to view the third column PPID; ② By reading the /proc//status file, use cat/proc//status|grepPPid to obtain more stable information; ③ PowerShell can use Get-WmiObject to query the ParentProcessId field, or add the "parent process ID" column to display through the task manager; ④ In terms of programming, in C/
2025-07-05
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565
Explain the process of bytecode verification performed by the JVM.
Article Introduction：The JVM's bytecode verification process includes four key steps: 1) Check whether the class file format complies with the specifications, 2) Verify the validity and correctness of the bytecode instructions, 3) Perform data flow analysis to ensure type safety, and 4) Balancing the thoroughness and performance of verification. Through these steps, the JVM ensures that only secure, correct bytecode is executed, thereby protecting the integrity and security of the program.
2025-05-02
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720
How to set the rotation effect of HTML elements
Article Introduction：How to set the rotation effect of an element in HTML? It can be achieved using CSS and JavaScript. 1. The transform property of CSS is used for static rotation, such as rotate(45deg). 2. JavaScript can dynamically control rotation, which is implemented by changing the transform attribute.
2025-04-30
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922
