Display effect of DOM hyperlink prompt in jQuery
In modern browsers, hyperlinks already have their own prompts, just add the < title > attribute to the < a > tag. The code is as follows:
<a href="#"title =" this is my hyperlink tip. "> tips</a>
But this prompt effect is very slow, to achieve better human-computer interaction, you need ...
Added by lucy on Sat, 25 Jan 2020 17:34:12 +0200
Spring Boot Integration - MongoDB Integration 4 (MongoDB grouping de-duplication and MongoDB table query)
Front of Article
About Versions
rely on
Edition
springboot
2.0.8.RELEASE
mongodb
4.0.14
This content is just to introduce the most basic use and configuration of mongodb. As a well-known database, it has quite a lot of advanced usage. It will expand to introduce a lot of content. Of cours ...
Added by coder9 on Fri, 24 Jan 2020 06:42:43 +0200
Web foundation - XML
Article directory
XML:
1. concept:
2. syntax:
3. Parsing: operate the xml document and read the data in the document into memory
XML:
1. concept:
Extensible Markup Language
*Extensible: labels are all customized. <user> <student>
* function
*Store data
1. Profile
2. ...
Added by jawinn on Thu, 23 Jan 2020 16:54:38 +0200
Introduction to mysql slow log opening and analysis
1. Open Slow Query
- View
show variables like 'slow_query%';
show variables like 'long_query_time';
show variables like 'log_queries_not_using_indexes';
Temporarily open slow log
- Open+Set uses root user, after closing the connection, re-query to see the modified value, only valid for the current service, configuration w ...
Added by kitaeshi on Tue, 21 Jan 2020 18:43:31 +0200
CSS multi background setting and linear gradient and radial gradient
Multiple backgrounds
You can set multiple background pictures for a container at the same time
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<style type="text/css">
* {
margin: 0;
padding: 0;
}
htm ...
Added by NickTyson on Mon, 20 Jan 2020 11:31:31 +0200
Getting started with Tablestore - GetRange query details
Query interface
As a big data storage service, table storage provides a variety of data output interfaces, mainly including: single row read (GetRow), batch GetRow, range read (GetRange), multiple index Search (Search) and channel service data subscription (Tunnel Service). This article will describe the function, use and limitation of range r ...
Added by bazza84 on Sun, 19 Jan 2020 09:57:35 +0200
jQuery operation check box, set to select, uncheck, get the selected value, judge whether to select, etc
jQuery operation check box skill Summary - set selected, unchecked, get selected value, judge whether selected, etc
1, checked property definition
First understand the checked property of the input tag:
1. HTML < input > checked attribute
◆ definition and usage
The checked property is a ...
Added by Serberus on Sun, 19 Jan 2020 06:11:24 +0200
Preliminary Solution of C#Assembly Reflection
Reflection is the process of discovering and running an assembly. Reflection provides internal information about an assembly such as.exe and.dll. Reflection allows you to see information about its internal classes, methods, interfaces, structures, properties, and attributes.
The namespace class System.R ...
Added by x_filed2k on Sun, 19 Jan 2020 03:49:13 +0200
javascript foundation consolidation
eval
// The eval method executes executed js script code
<script id="a">
console.log("aaa")
</script>
<script>
eval(document.getElementById("a").innerText)
</script>
Prototype Chain
// instanceof detects whether the prototype on the right exists on the u proto_u prot ...
Added by stb74 on Sat, 18 Jan 2020 06:08:04 +0200
C Language Learning: Strings, Structures, Commons
Character string
In C, strings are actually one-dimensional character arrays terminated with the null character'\0'.Therefore, a null-terminated string contains the characters that make up the string.Declare and initialize create a string:
char charArrayName[capacity] = {charElement1,charElement2.. ...
Added by fluvly on Sat, 18 Jan 2020 04:25:49 +0200