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Python Tutorial 9 data structure ( one )
Python Data structure I . list :Python The list in is variable , be careful : List is [] square brackets , This is the most important feature that ...
2022-04-17 12:09
views 15
Windows Basic command
Windows Basic command
2022-04-07 23:57
views 8
Feign integration sentinel realization fallbackFactory Fault tolerant degradation
Feign integration sentinel realization fallbackFactory Fault tolerant degradation
2022-03-15 15:08
views 30
dark horse JAVA P171 Thread safety issues , Simulated thread safety cases : withdraw money
package com.itheima.d3_thread_safe;public class Account { private String cardId; private double money; // Account balance public Account(...
2022-01-27 13:02
views 18
Windows Of system vulnerabilities 5 second Shift Vulnerability boot computer
one . Principle knowledge when we use computers , Press continuously 5 second shift Key will pop up a program named “esthc.exe”, Its path is “c:\w...
2022-01-26 19:54
views 21
Network security notes
Network security note I , Basic knowledge 01, computer network : Is to use communication lines to connect different geographical locations , Compu...
2022-01-15 22:02
views 15
How from Github Delete Submission from
If you accidentally submit something you shouldn't , And push it to Github, There are still ways to delete or modify it . usually , You don't wan...
2021-11-29 20:00
views 45
ConcurrentHashMap How to ensure thread safety
JDK1.7, Segment lock technology is essentially array + The form of linked list stores key value pairs . To improve concurrency , The original whole...
2021-04-09 13:42
views 41
Taobao system leaks , Response to Taobao customer service , That's the attitude
2021 Of 3 month 8 The day before girls' Day , The blogger is having a headache about what gift to give , At noon , Open Taobao , See Taobao 38 Wome...
2021-03-08 17:04
views 27
safety education
The template of safety education mind map mainly summarizes the potential safety hazards from eight aspects, namely, outdoor, campus, psychology, s...
2020-10-31 20:28
views 22
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