[Design Pattern]Intermediary Pattern
Generally speaking, the relationship between colleague classes is relatively complex. When multiple colleague classes are related to each other, the relationship between them will appear as a complex network structure, which is an over-coupled architecture, that is, no It is cond ...
Posted by videxx on Tue, 20 Sep 2022 21:16:55 +0300
In general, HashMap traversal can be divided into the following four categories:
Iterator mode traversal;For Each traversal;Lambda expression traversal (JDK 1.8+);Streams API traversal (JDK 1.8+).
However, each type has different implementation methods, so the specific traversal methods can be divided into the following 7 types:
1. Use Itera ...
Posted by bookbuyer2000 on Mon, 19 Sep 2022 21:21:02 +0300
Common rich text editors can be divided into two categories, which are implemented by textarea and contenteditable.
The structure is simple and easy to use. Some text formats and complex styles are difficult to implement. It is recommended to be used only in scenarios with low editing requirements.
Posted by jcornett on Mon, 19 Sep 2022 21:14:08 +0300
Role of FTP Server
FTP servers (File Transfer Protocol Servers) are computers that provide file storage and access services over the Internet. They provide services according to the FTP protocol. FTP servers are often used for file sharing and transmission and are an essential part of the Internet.
Our file upload and download function is the ...
Posted by Liquix on Mon, 19 Sep 2022 21:02:52 +0300
Java Collection Framework System Summary
This article cites a large number of high-quality articles, and some of the applied ones have links to directly view the in-depth analysis of knowledge points.As for the content involving the code section, it is presented in the form of Demo + annotations. Demo mainly involves basic and common ...
Posted by mrobertson on Sun, 18 Sep 2022 21:24:48 +0300
Introduction to the Class Set Framework
In actual development, no development can leave the array, but the traditional array is very cumbersome to use, and the length is its fatal flaw. Officially, due to the length problem, it is impossible to use it on a large scale, but it is far from being used during development. Without arrays, we ca ...
Posted by cmgmyr on Sun, 18 Sep 2022 21:19:40 +0300
OpenWrt skips tools compilation
It is still time-consuming for OpenWrt to compile tools, so in order to shorten the compilation time, we try to use the compiled tools in the SDK provided by OpenWrt.
Analyze the code
When analyzing the OpenWrt source code, the more you analyze, the more code you see, and the more knowledge y ...
Posted by netdog on Sat, 17 Sep 2022 21:56:47 +0300
#Disclaimer: This is a personal note, which is only for learning. It is prohibited to use it for any illegal act. Any illegal act has nothing to do with me.
Weblogic XMLDecoder Deserialization Vulnerability (CVE-2017-10271)
Vulnerability No.: CVE-2017-10271 Vulnerability impact: wls wsat XMLDecoder deserialization vu ...
Posted by chelsea7 on Sat, 17 Sep 2022 21:36:21 +0300
Different industries call the rows and columns of a dataset differently. Statisticians call them observation s and variable s, database analysts call them record s and field s, and researchers in data mining and machine learning disciplines call them example s ) and attribute s.
R has many object types for stor ...
Posted by harishkumar09 on Sat, 17 Sep 2022 21:36:31 +0300