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Introduction - Start with the simplest insertion sort Long, long ago, you might have learned some common sorting algorithms. At that time, computer algorithms were still a bit like math. But I often think about the same kind of questions in my mind. What's the use (the deep contempt of the costume school by the silk practitioners). It's impos ...

Initial experience of open source monitoring prometheus 1. Introduction to Prometheus Official website: https://prometheus.io/ Prometheus Unofficial Manual in Chinese: https://github.com/1046102779/prometheus The main features of Prometheus are: Multidimensional Data Model Flexible Query Language Independent of distributed storage, a ...

Operating system: CentOS 7.3.1611_x64 python version: 2.7.5 sklearn version: 0.18.2 tensorflow version: 1.2.1 Definition and manifestation of polynomials Polynomial is a basic concept in algebra. It is an algebraic expression obtained by finite addition and subtraction, multiplication and power multiplication of natural numbers by vari ...

There are four isolation levels for database transactions: Read Uncommitted: Allow dirty reading, that is, it is possible to read data in other sessions that have not submitted transaction modifications. Read Committed: Only submitted data can be read, which is the default level for most databases such as Oracle. Repeated Read: Repeated Read. ...

This article is from: Chunge Personal Blog: http://www.liyuechun.orgAuthor: extension Li Yuechun - A Time-chasing ManIntroduction: JavaScript30 yes Wes Bos A 30-day challenge to launch. The project provides 30 video tutorials, 30 challenge start documents and 30 challenge solution source code free of charge. The goal is to help people write in ...

stay Last article In this article, we will implement the basic function of adding chat, but we haven't shown the new chat in the chat list yet. We will show all chats in the chat list. First, we create a new group_chat_list_body.dart file in the / lib directory. Write a stateful control GroupChatListBody in group_chat_list_body.dart, pass two ...

There is a serialize() function in php that serializes arrays into strings for storage and transmission. If you want to deserialize this string, you only need a simple unserialize() function in php. But it's not so easy in golang. It takes a lot of effort to write a lot of code. At this time, I just want to sigh that php is really the best lang ...

Demo and source code of this article have been put in GitHub, if you think this article is good, please point a compliment, or add a star to GitHub! https://github.com/zwl-jasmine95/Vue_test All of the following knowledge is based on vue.js version 2.0   Component is one of the most powerful functions of Vue. js. Components can extend HTML ...

After learning the Data Binding framework, I think about the application of this scheme in some scenarios, so according to the characteristics of the framework, I write a skin-changing scheme, first look at the effect map: Data Binding Skin Change Before looking at the implementation below, I hope you have a basic understanding of the DataBin ...

The full source address of this example is: https://github.com/yu-linfeng/BlogRepositories/tree/master/repositories/sword Previous article Soft Skills of Sword Finger Offer I mentioned some soft skills in the interview, how to write my resume and so on. In the later chapters of Offer of Sword Fingers, there are mainly some programming problems ...