Configuring Maven's local warehouse and remote repository (private service)

... maven does not have the jar package we need to develop, just the coordinates of the jar package, the jar package is stored in the local warehouse / remote warehouse / central warehouse . When we start the maven project, the project will find the corresponding jar package according to...


Machine Learning - Over-fitting and under-fitting problems

... over-fitting ( Training samples themselves and non-general features as important features ) Model learning too good, remember The non-general characteristics of the sample. The individual understands that, for example, the characteristics of the person (nose, ear, mouth, etc.) are good....


Climb data to process

... import re From urllib.request import urlopen From bs4 import BeautifulSoup Html = urlopen("https://item.jd.com/7321644.html?jd_pop=60331dce-5caa-4058-9c91-d27c49657ff0#product-detail") Soup = BeautifulSoup(html) Name_list = soup.findAll("ul", {"class": "parameter2 p-parameter-list"}) # ...


Instant communication implementation process

... instant communication how to achieve The software adopts the P2P mode, and each client directly sends a message to conduct a session chat, and the server plays only the role of the coordinator (mixed P2P). 1. Session design When a new user logs in to the system through his client, the...


C language learning 7-structure

... Why use structure? struct My { Char name[20] = "如风斩岳"; Int age; Char addr[50] ; Int money; Double Coordinates; //..... }; When we have such a need, when a structure needs to store information of different kinds and widths, the structure comes into being Struct shows that this is a...


Daily summary - Bauhaus Bauhaus

... Peter Berens Speaking of Bauhaus will start with Peter Behrens. There are five people who have laid a modern design, and Peter Bellens has three. Known as the godfather of the modern world, "the first modern art designer." People's label?️ 现代主义Founder 世界第一套完整的 vi 彼得贝伦斯事务所 格罗皮斯 After...


Use the Eclipse plugin Git, roll back to the previous version

... about head and tags. head: My understanding is a pointer to the latest version of the current branch. tags: A pointer that can point to any version. However, when using the rollback function, the head pointer moves forward. Causes some subsequent commits to be lost (ie not in the branch...


c# Intercepting the string

... split: The array of strings returned by 1. Split( Char ()) contains the substrings in this instance (separated by the elements of the specified Unicode character array). is split with split according to a single separator character. For example, copy the code as follows: string st="GT12...


LeetCode brushing questions (3)

... LeetCode is a well-known programming question bank. There are many interviews and algorithm questions in it. It is helpful to improve the programming level and avoid stagnation because of writing business codes every day. I played very interesting recently and decided to brush it up...


Process control block and state - follow-up notes

... 1.PCB - describe the data structure of the process (when a process is created and handed over to the operating system management, the process should describe the properties of the process) (1) description of the process: the basic information of the process pid to each process number,...