Understand vuex4 X basic usage and comparison vue3 Difference of X
brief introduction
Vuex is Vue JS application state management mode + library. It acts as a centralized storage for all components in the application, and its rules ensure that the state can only be changed in a predictable way.
In short, it provides a library of state management, and the change of state is predictable.
Status: I person ...
Added by traxy on Sat, 19 Feb 2022 06:11:30 +0200
Detailed interpretation of Detectron2 "quick start" detection tutorial lab notebook
Detectron quick start
official Colab Notebook Read the Getting Started section on:
1. Use the pre trained Detectron2 model
To download an image, we need to create a detectron2 config, and then create a Default Predictor according to the config for single image reasoning.
cfg = get_cfg() # Get Default Config
# According to mask_ rcnn_ R_ 50_ ...
Added by plimpton on Sat, 19 Feb 2022 05:59:11 +0200
Basic Java lesson 1
Basics
notes
Single line comment: / / Multiline comment: / **/ Document notes:/** * */
identifier
It refers to a symbol used to identify an entity and the name used by users in programming. It is used to name variables, constants, functions, statement blocks, etc
All identifiers should be in letters (AZ, AZ), dollar sign ($), unde ...
Added by jcinsov on Sat, 19 Feb 2022 05:53:06 +0200
Applet learning
Overall knowledge system
Main directory file function of applet project
project.config.json project configuration file, do some personalized configuration, such as interface color, compilation configuration, etcapp.json is the global configuration of the current applet, including all page paths, interface performance, network timeout, botto ...
Added by Porkie on Sat, 19 Feb 2022 05:34:27 +0200
There are 3 ways to parse Python web pages, which are worth collecting
Generally speaking, when we crawl the whole source code of the web page, we need to analyze the web page.
There are three normal analytical methods
① : regular match resolution
② : BeatuifulSoup parsing
③ : lxml parsing
Regular match resolution:
In the previous study, we learned the basic usage of reptiles, such as / s,/d,/w, *, +,? Ho ...
Added by HDMICable on Sat, 19 Feb 2022 05:29:57 +0200
Web Components series -- realizing the reusability of MyCard
prefaceIn the previous section, the basic layout of MyCard was implemented using Templates, and I also said at the end of the article that because it is not reusable, its practicability is basically zero.Today, we use named Slots to occupy a place in Templates, and then pass values to Slots in custom elements to improve the flexibility of custo ...
Added by premiso on Sat, 19 Feb 2022 05:21:00 +0200
7-PHP code audit -- vulnerability analysis of wordpress plug-in
1. wordpress plug-in vulnerability
The security of wordpress itself is relatively perfect. Usually, most of the vulnerabilities in security audit come from the third-party plug-ins installed by wordpress. wordpress does not guarantee the security of these plug-ins, because the third-party plug-ins are written by other developers, and the secur ...
Added by littlejones on Sat, 19 Feb 2022 05:13:09 +0200
In depth understanding of "hash collision attack of PHP arrays" from the perspective of HashTable
Read the blog post "hash collision attack of PHP array" and take this opportunity to learn more about hash table and deepen understanding!Learn from the in-depth understanding and practical exercise of HashTable Original address
HashTable concept
A definite correspondence h is established between the storage location of the record ...
Added by n8r0x on Sat, 19 Feb 2022 05:10:29 +0200
Six ways to write single case mode
preface
Singleton mode is a creation mode. This class is responsible for creating its own objects and ensuring that only a single object is created. This class provides a way to access its unique object, which can be accessed directly without instantiating the object of this class.
1. Lazy style
public class SluggardSingleton {
...
Added by FadeOut79 on Sat, 19 Feb 2022 05:09:08 +0200
Byte and bit in java
Byte capacity relationship in java
1TB=1024GB TB It's a trillion
1GB=1024MB GB It's Gigabit
1MB=1024KB MB Is a sign
1KB=1024Byte KB It's kilobytes
be careful: Byte The abbreviation is B That is, bytes
In actual development, it is inevitable to deal with strings and Byte bytes. Many times, when you debug, you will ...
Added by dagee on Sat, 19 Feb 2022 05:04:38 +0200