文章整合

MySql数据库-事务-学习笔记

这里写目录标题前言 1 事务是什么 4 事务的性质 9 并发事务问题 15 事务隔离级别 24 事务原理 27 1.原子性实现原理 undo log 1undo log 28 2.持久性实现原理 redo log 2redo log 32 3.隔离性原理（锁和MVCC） 3MVCC 45 隐藏列...
2022-07-07 06:28【白蝶丶】
阅读更多
Pytest+request+allure+excel interface automatic construction from 0 to 1 [five nails / flying Book notice]

Preface obtain Jenkins Report record Jenkins 3 Flybook notice 40 Create nail swarm robots 44 obtain Allure Execution data Allure 70 Nail ...
2022-07-07 09:08【Song_ Lun】
阅读更多
Test Engineer Interview Questions 2022

Interview questions First level directory 1 Two level directory 2 Three level directory 3 First level directory Two level directory Thre...
2022-07-07 09:08【Song_ Lun】
阅读更多
Detailed learning notes of JVM memory structure (I)

This blog records personal learning jvm The process of , If there is a mistake , Please correct me List of articles One 、 Program counter 8 1. I...
2022-07-07 09:09【White butterfly】
阅读更多
Confitest of fixture py

pytest Framework conftest.py pytest brief introduction pytest 1 fixture And conftest.py fixtureconftestpy 8 pytest brief introduction 1. pytest yes...
2022-07-07 09:09【Song_ Lun】
阅读更多
Pytest+request+allure+excel interface automatic construction from 0 to 1 [familiar with framework structure]

One 、 framework design / framework design Api test bin run.py Main run file casefile case.xlsx Column file commext consts.py Data caching d...
2022-07-07 09:10【Song_ Lun】
阅读更多
When inputting an expression in the input box, an error is reported: incorrect string value:'\xf0\x9f... ' for column 'XXX' at row 1

One 、 The reason for the error ： This problem , as a result of UTF 8 The code may be 2 4 Bytes .Emoji Expressions or some special characters are 4 ...
2022-07-07 09:10【Stick to this persistence】
阅读更多
MySQL common statements

preparation ： Example of creating a table CREATE TABLE user id int 11 NOT NULL COMMENT ' Primary key ', name varchar 255 DEFAULT NULL COMMENT ' ful...
2022-07-07 09:10【Stick to this persistence】
阅读更多
Regularly modify the system time of the computer

One 、 Preface When developing tests , It is often necessary to change the server time according to the business scenario ,Java The current server ...
2022-07-07 09:10【Stick to this persistence】
阅读更多
Self awakening from a 30-year-old female programmer

30 A year old female programmer ,Java Development 、 graduation 3 More years , marry 4 More years , Not pregnant . Just graduated 2 year , Full of amb...
2022-07-07 09:10【Stick to this persistence】
阅读更多
Idea development environment installation

Serial number Content Link address 1 IDEA2021 Community Edition https://www.jianshu.com/p/a50cf6646d68 https://www.jianshu.com/p/a50cf6646d68 '...
2022-07-07 09:10【Stick to this persistence】
阅读更多
Postman interface debugging method

1. download ： Postman win64 8.8.0 Setup.exe Pure version Java Document resources CSDN download https://download.csdn.net/download/q1099568207/8000...
2022-07-07 09:10【Stick to this persistence】
阅读更多
Implementation of corner badge of Youmeng message push

One 、 Preface As shown in the figure , When APP When receiving push messages , Generally, it is necessary to display corner marks ： https://img bl...
2022-07-07 09:10【Stick to this persistence】
阅读更多
Run can start normally, and debug doesn't start or report an error, which seems to be stuck

1. reason ： Too many breakpoints in the project . 2. terms of settlement ： Remove unnecessary breakpoints . https://img blog.csdnimg.cn/c8591de88...
2022-07-07 09:11【Stick to this persistence】
阅读更多
Cesium load vector data

Vector data introduction stay GIS in , For the classification of data formats , We generally divide it into two types: raster data and vector data...
2022-07-07 09:11【FOR. GET】
阅读更多
Some pit avoidance guidelines for using Huawei ECS

One 、 About domain name registration Purchase domain name （1 Days or so ） Real name authentication （ At first I forgot , The back is mended quick...
2022-07-07 09:11【FOR. GET】
阅读更多
Entity of cesium data visualization (Part 1)

Record a problem to be solved There is no effect after the contour width is set One 、Billboard Billboard （ Picture form ） Used to draw positio...
2022-07-07 09:11【FOR. GET】
阅读更多
Serializer & modelserializer of DRF serialization and deserialization

One 、 serialize ： The model is converted to JSON technological process （ Transmission only instance） JSON instance 3 1.1 Creating a data model 11...
2022-07-07 09:11【FOR. GET】
阅读更多
DRF defines views and routes

One 、DRF Medium Request And Response Request relevant https://q1mi.github.io/Django REST framework documentation/api guide/requests zh/ Respon...
2022-07-07 09:11【FOR. GET】
阅读更多
DRF authentication, permissions, and flow restrictions (only for views in DRF)

One 、 authentication Authentication Authentication needs to be used in combination with permissions Authentication Official configuration file ...
2022-07-07 09:11【FOR. GET】
阅读更多