nice time zone

Reference from: https://jingyan.baidu.com/article/fa4125acb7328628ac70920e.htmlToday we have a problem,My MySQL table has a field that is, Send_acode_timestamp, the default value is: Current_timestamp.The resulting value is in the format: 2018-06-12

Tag: time; date; Java; dateformat This afternoon, I was idle, and suddenly saw some usage of the time class. I felt that several classes were a bit complicated. I would like to summarize them: (If something is wrong, please do not mislead beginners.

3.3.2. Algorithm The algorithm used by the name server is related to the local operating system and the data structure, and the following algorithm assumes that the RR is organized in several tree structures, one is the area, and one tree is used

Process Scheduler 4.1 multitaskingA multitasking operating system is an operating system that can simultaneously concurrently execute multiple processes concurrently.The multitasking system is divided into two types: Preemptive multitasking:

Reprinted from: http://www.cnblogs.com/zhaoyl/archive/2012/09/04/2671156.htmlLinux Process priorityThe process provides two priorities, one is the normal process priority, and the second is the real-time priority. The former is suitable for

Referenced from: http://www.cnblogs.com/zhaoyl/archive/2012/09/04/2671156.html Linux process scheduling principleThe target of Linux process scheduling 1. Efficiency: High efficiency means that more tasks are done at the same time. The scheduler

Write Program When writing HTML for static pages generated by ASP pages, if a large number of pages are generated at the same time, the progress bar at the bottom of the browser must display 3%, 6%, 10% and so on. In this waiting process, you don't

  Use of top monitoring commands on FreeBSD The top monitoring tool displays the processes whose CPU usage is the first few, and provides real-time CPU activity.   Syntax: top [-s time] [-d count] [-q] [-h] [-n number] [-f filename] [-o field] [-U

Explanation of common CentOS Performance Detection commands 1. uptime [Root @ smgsim02 ~] # Uptime15:08:15 up 98 days, 2 users, load average: 0.07, 0.29, 0.14 The number of times the system has been running since the current time the number of users

Linux backend diagnosis and debugging technology and linux backend debugging This document is not a Linux Command usage tutorial, and does not explain its usage in all aspects. There are many Internet company projects, and the dependency between