day 19 regular expression
day 19 regular expression
1, Regular expression
Regular expressions are a tool to simplify complex string problems
Match symbol
1. Introduction to re module
re module is a system module used by python to support regular related operations
Fullmatch (regular expression, string) - judge whether the regular expression exactly ma ...
Posted by khalidorama on Sun, 02 Jan 2022 11:39:58 +0100
Getting to know CSS section 4
🌹 CSS text
🌸 text color
The color property can be used to set the color of the text. The color is specified by the following values
Color name - e.g. "red"Hexadecimal value - e.g. "#ff0000"RGB value - for example, "rgb(255,0,0)"
example:
<!DOCTYPE html>
<html>
<head>
<style ...
Posted by chowwiie on Sun, 02 Jan 2022 09:35:07 +0100
Front end error log collection
Front end error log collection
1. Collection content
User information: current status, permissions, etcBehavior information: interface path, executed operation, etcException information: error stack, error description, configuration information, etcEnvironmental information: equipment model, identification, operating system, etc
fieldtypedes ...
Posted by bailo81 on Sun, 02 Jan 2022 08:56:52 +0100
Vue basic learning
1, v-once
The instruction does not need to be followed by any expression
This instruction indicates that elements and components are rendered only once and will not change with the change of data
Example:
<div id="app">
<h2 v-once>{{message}}</h2>
</div>
<script src="../js/vue.js"></script>
<script&g ...
Posted by phpHappy on Sun, 02 Jan 2022 05:53:10 +0100
JavaScript: basic syntax
1, Basic input and output
2, Variable
2.1 general
Understanding: a variable is a container for storing data. You can access and modify data through the variable name. Essence: a piece of space for storing coarse data applied by a program in memory.
2.2 use
Before using variables, you need to go through two steps: Declaration and as ...
Posted by rich86 on Sat, 01 Jan 2022 18:33:31 +0100
vue2.x knowledge points
note
Scaffold environment structure:
|-— node_modules |- public | |—— favicon.ico tab Icon | |—— index.html main page |- src || - assets main page | | |-logo.png || - components store components | | |-HelloWorld.vue | |—— App.vue summarize all components | |—— main.js entry file | |—&mdash ...
Posted by Nile on Sat, 01 Jan 2022 14:56:53 +0100
Hand-on instructions for writing CLIS using nodejs (command line)
Why insist on writing? Writing is the process of seeking answers.
In front-end development, we often use cli tools such as webpack-cli, Vue-cli, create-react-app. In actual business development, we also have a lot of CLI requirements to help us achieve the rapid creation of new projects or modules. Let's get started!
Let's demonst ...
Posted by anindya23 on Sat, 01 Jan 2022 13:50:47 +0100
Back end SSH, some methods that may be used in development projects
catalogue
Login to different pages with different accounts
Chinese garbled code method
Search fuzzy query
The permission login function is grayed out
Tab child parent page display
Child parent page data display
Login query function
Display according to year data
Change Password
Give multiple permissions
Database connection
Front end ...
Posted by EvanAgee on Sat, 01 Jan 2022 13:28:31 +0100
2021SC@SDUSC -Yamada Zhiyun source code analysis (13)
2021SC@SDUSC
rpc procedure in seafile
According to the previous analysis, I already know that one of the functions of seafile server is to provide rpc to the front end, that is, seahub. Therefore, in the source code of seahub, there should also be a call to searpc. Next, the relevant parts of seahub source code are analyzed.
It is learned fr ...
Posted by lush_pierre on Sat, 01 Jan 2022 12:31:10 +0100
[front end tips] several methods of hiding elements with CSS
For more information, please visit my Personal blog.
preface
On the last day of 2021, the epidemic was not completely over, and the Wuhan municipal government also cancelled the cross year activities. Tonight, even the subway is closed at 9 o'clock in advance. Everyone is at home for the new year. No, I'm also at home for the new year. How ...
Posted by melindaSA on Sat, 01 Jan 2022 11:46:10 +0100