2020 Years , Is there anything else on the front end ? How to learn ?

preface First of all, briefly introduce yourself , At present, seven years of front-end practical project experience , Experience in a large f...
2020-05-18 22:32 views 28

MySQL— Relational database

Relational database features saving data in different tables , Then put these tables into the database , Instead of putting all the data in the da...
2020-05-18 20:49 views 20

Interviews are often asked SQL optimization

Interviews are often asked SQL optimization    As a back-end developer , It is essential to deal with the database in daily work , Whether in the ...
2020-05-18 11:21 views 22

STM32+ESP8266+MQTT Connect to alicloud (1)

ESP8266 Process sending for connecting to alicloud “+++” The purpose is to make the ESP8266 Exit touzhuan ;AT+RESTORE Return the module to facto...
2020-05-16 17:04 views 91

This is the most classic outsourcing case in legend ? Don't outsource after watching it

Outsourcing refers to the decision-making of entrusting one or all of the contracting contracts to a third party other than the contracting partie...
2020-05-16 14:35 views 33

error: (-215:Assertion failed) Solution

I had a little problem debugging the following code today , After debugging many times, I finally found the solution , Let's share it with you ： D...
2020-05-16 09:31 views 270

Depth first search algorithm （DFS） Explain in detail

DFS Namely Depth First Search, Is an algorithm used to traverse or search trees or graphs . Traverse the nodes of the tree along the depth of the ...
2020-05-15 23:39 views 21

AMG8833 The use of stm32 Driver code

One , introduce 1, Internal block diagram You can see AMG8833 There is infrared lattice temperature measurement inside , It also has a thermi...
2020-05-15 17:28 views 339

FastAPI to write get,post Interface , adopt json Interface for parameter transfer

1. Code directly import uvicornfrom fastapi import FastAPIfrom api.searchAPI import searchfrom pydantic import BaseModelclass Item(BaseModel): F...
2020-05-15 16:47 views 48

el-select Style modification of drop down box options ( Background color ,hover, Font, etc )

One ： How to modify el-select The style of the options in the drop-down box , There are generally two methods on the Internet ：1. Find the class n...
2020-05-15 15:48 views 1765
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