How to solve the oversold problem under gaobingfa
Current limiting: it is solved by configuring sentinel
Queue, asynchronous
Through locking synchronized or lock, the problem is that the scope of synchronized is a single jvm instance, the cluster distribution fails, and the serial efficiency decreases after locking a single jvm
Distributed locks can be used, but ...
Posted by Fractal on Mon, 20 Sep 2021 02:32:46 -0700
2021-09-18 Day21-JS 11th Day PC-side Web Page Special Effect
I. PC-side web page effects
1.Element offset offset series
1.1 offset overview
Offset is translated as an offset, and its position (offset), size, and so on can be dynamically obtained using the offset series related attributes.
Get the distance of the element with the positioned parent elementGet the size (width and height) of the element ...
Posted by Rob the R on Sun, 19 Sep 2021 14:10:56 -0700
What is media query
Sorting of media query knowledge points
1. What is media query?
Media query is the if statement of the style sheet, which determines which CSS to execute through various conditions.
@media only screen and max-width:600px{
.aside{
width:500px;
}
}
compatibility:
<!–[if lt IE 9]>
<script src="http://cdn.staticfile.org/livingsto ...
Posted by jamesdk on Sat, 18 Sep 2021 18:36:09 -0700
LayUI framework quick start
LayUI overview
It is similar to Bootstrap, but the framework has a great advantage that it defines many style interfaces for front-end and back-end interaction, such as paging tables. It only needs to configure the interface at the front end, and the back end returns data according to the defined interface rules to complete the page display, w ...
Posted by larissahn on Sat, 18 Sep 2021 03:26:00 -0700
Transition, animation effect, beautifying interface
Transition means transition in English. Transition can be an element that switches between different states with different transition effects. It consists of four parts: the name of transition attribute, the time required for transition, the mode of transition and the delay time of transition. 1. Name of transition attribute
Transition propert ...
Posted by phpScott on Wed, 15 Sep 2021 14:18:02 -0700
Re learn the front end, introduction to ten thousand words, HTML+CSS + responsive Web Design
Responsive web design certification | freeCodeCamp.org
Reminder before viewing: I'm good at using Ctrl+F. I don't want to be detailed, but to understand. I gave links to examples or documents for some incomprehensible contents, and some small games I recommend. I hope I can give you three links 💕
🍓Basic HTML
From here on, if you d ...
Posted by Res on Fri, 10 Sep 2021 20:29:47 -0700
Static page css summary (center, background picture) the most complete solution!
1 centered
horizontally
In line elements are centered horizontally
In line elements here refer to text, image img, hyperlink a, button, etc
text-align: center; /*Set on parent element*/
Block level elements are horizontally centered
1. Change the display attribute of the block level element to inline block, and then set text align: Ce ...
Posted by simonmlewis on Thu, 09 Sep 2021 19:40:09 -0700
Thinking analysis of js case -- five-star scoring effect
Thinking analysis of js case -- five-star scoring effect
The purpose of putting the structure and style in front is to make the idea clearer. You can also look at the next steps first, and then come back and look at the two parts to assist in understanding.
1, Structure
<!DOCTYPE html>
<html lang="en">
<head>
<meta ...
Posted by ErikTheViking on Thu, 09 Sep 2021 18:34:19 -0700
Front end three swordsman related
Front end technology stack
HTML hypertext markup language realizes page presentation and forms a static web page
CSS cascading style sheets to achieve page beautification
JS javascript script language realizes the data interaction between the front end and back end of the page to form a dynamic web page
React facebook produces front-end and ...
Posted by chatmaster on Wed, 08 Sep 2021 14:39:28 -0700
HTML+CSS+Bootstrap+ECMAScript+DOM
Scripting language: it can be parsed and executed by the browser without compilation
Overview of Wed concept
JavaWed:
Using java language to develop Internet based projects
Software architecture:
1. C/S: Client / Server
* There is a client program locally and a server program remotely
* For example: QQ,Thunder...
* Advantage ...
Posted by Mightywayne on Mon, 06 Sep 2021 11:45:00 -0700