Tag：Difference
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Time：2020-4-5
In the Analects of Confucius, Zeng Zi said:“Three times a day, three times a day”I reflect on myself many times a day.Front end interview daily 3 + 1 questions, to interview questions to drive learning, a little progress every day!Let effort become a habit, let struggle become a enjoyment!believeInsistPower of!!! Learning is not closed, charging […]
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Time：2020-4-5
A detailed explanation of the differences between Oracle date and timestamp 1. Date data type We are so familiar with this data type that we will think of date type when we need to represent date and time. It can store months, years, days, centuries, hours, minutes and seconds. It is typically used to indicate […]
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Time：2020-4-1
Preface There are many articles about Context on the Internet, such as: Android context fully parses, all kinds of details of context you don’t know What is Android context? But after a look, we found that there are still some points worth discussing, such as the equation: Number of contexts = number of services + […]
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Time：2020-3-18
Sketch I recently collected and sorted out some IOS related questions, most of which are used by large-scale interviews or interviews with other people, which can hit most of the interviews and daily work, and I hope you can use it to test yourself Because the amount of questions is too large, this article only […]
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Time：2020-3-16
The differences between mongodb community version and enterprise version are mainly reflected in security certification, system certification, etc. refer to the following table for specific information: Version characteristics Community version Enterprise version JSON data model, free mode Support Support Automatic slicing with horizontal expansion Support Support Built in replicas and high availability Support Support Complete […]
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Time：2020-3-13
Programming, getting started, Java, spring, webplus, SSE, reactor Difference between SSE and websocket Video Explanation: https://www.bilibili.com/videoWebfluxServerApplication.java package com.example.webfluxserver; import lombok.extern.log4j.Log4j2; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.http.MediaType; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; import reactor.core.publisher.Flux; import java.time.Duration; @Log4j2 @SpringBootApplication public class WebfluxServerApplication extends BaseApplication{ public static void main(String[] args) { SpringApplication.run(WebfluxServerApplication.class, args); } @RestController class EmployeeController{ @GetMapping(value = […]
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Time：2020-3-10
Salvatore Sanfilippo, author of redis, once compared the two memory based data storage systems: 1. Redis supports data operations on the server side: redis has more data structures and supports more data operations than memcached. Usually in memcached, you need to take the data to the client for similar modifications and then set it back. […]
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Time：2020-3-9
Today’s knowledge (February 5, 2020) – day 295 [HTML] what’s the difference between article and section in HTML5? What’s the difference between [CSS] body {height: 100%} and HTML, body {height: 100%}? Why should HTML set height: 100%. Isn’t HTML the whole window? [JS] write a method to play video using canvas? [soft skills] what’s the […]
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Time：2020-3-8
When the purchase order invoice is inspected, the final amount may be different from the price of the purchase order. For this difference, the system provides a way to configure accounts in the background. Accounts can be configured through obyc to configure corresponding accounts of related evaluation types in Bsx inventory variance. When the […]
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Time：2020-3-7
In the Analects of Confucius, Zeng Zi said:“Three times a day, three times a day”I reflect on myself many times a day.Front end interview questions 3 + 1 a day, with interview questions to drive learning, make progress every day!Let effort become a habit, let struggle become a enjoyment!believeInsistPower of!!! Learning is not closed, charging […]
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Time：2020-1-26
When you write code, you often confuse these two attributes. Whether it’s a href or a SRC is a reference to hypertext,For elements such as link and aOn, the href is a reference and page Association, which establishes a relationship between the current element and the reference resource. The SRC is a reference resource, which […]
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Time：2020-1-21
Analysis of price difference between sap mm purchase order and related contracts In my project, the price of general production material Po comes from the contract price, while the contract price comes from the price recorded in the purchase information. The business department does not allow the Po to change the price casually. […]
