c + + algorithm training STL library

1. STL algorithm library (c + + feature) Pair (binary, element pair) Located in the header file < iostream >, it is used to represent a binary or element pair 1.1 using pair Define a pair object to represent a plane coordinate point: pair<double, double> p; cin >> p.first >> p.second; 2.1 sorting int cmp(pair<in ...

Posted by aron on Tue, 08 Mar 2022 19:54:10 +0100

Embedded linux learning notes -- Notes on the use of open source library spdlog

Recently, I sorted out the code and saw the company's code on log. I gained a lot, so I sorted out the instructions for the use of spdlog library. https://github.com/gabime/spdlog.git This paper mainly arranges the following aspects. The main basis for reference is the official routine, which is located in github example\example.cpp 1. Lo ...

Posted by tofi84 on Tue, 08 Mar 2022 19:37:56 +0100

Polynomial regression, local regression, kernel smoothing and smoothing spline regression models in R language

Turn: Polynomial regression, local regression, kernel smoothing and smoothing spline regression models in R language Original link: http://tecdat.cn/?p=20531 In the standard linear model, we assume. When the linear assumption cannot be satisfied, other methods can be considered. polynomial regression The extension may assume some ...

Posted by manalnor on Tue, 08 Mar 2022 19:24:26 +0100

Take you to quickly understand the microservice gateway!

Gateway concept Gateway is also known as inter network connector and protocol converter. Gateway realizes network interconnection above the network layer. It is a complex network interconnection device, which is only used for the interconnection of two networks with different high-level protocols. Gateway can be used for both Wan interconnecti ...

Posted by jotgabbi on Tue, 08 Mar 2022 19:16:13 +0100

Java Foundation Part III_ object-oriented

Java object oriented Process oriented & object oriented Process oriented The steps are clear and simple. What to do in the first step and what to do in the second step Process oriented is suitable for dealing with some simple problems object-oriented Birds of a feather flock together, which is the thinking mode of classification. When ...

Posted by patnet2004 on Tue, 08 Mar 2022 19:14:48 +0100

K3s cluster Helm3 rapid deployment of Operator & Prometheus at home and abroad

Background summary Recently, helm3 has deployed resources in k8S/k3s clusters. In China, Alibaba, Netease and Tsinghua are always keen to be image sources. Because there are always one or another problems in domestic and foreign networks, the difference between your ability and others is how you quickly deal with such network problems, which w ...

Posted by maxpouliot on Tue, 08 Mar 2022 19:08:06 +0100

Java learning - common classes (being improved)

Object class Object() Constructor. @HotSpotIntrinsicCandidate public Object() {} @HotSpotIntrinsicCandidate is an annotation, which will be skipped temporarily and summarized later. Returns the runtime class of this Object. The returned class Object is the Object locked by the static synchronized method representing the class. T ...

Posted by PastorHank on Tue, 08 Mar 2022 19:00:51 +0100

C + + refresh screen

C + + refresh screen Method 1: clear the text and reprint Use the system function to clear the text of the console, and then print again to achieve the effect of refreshing the screen There is no need to talk more about the system function. Just go to the code: #include <bits/stdc++.h> #include <windows.h> //Sleep() using name ...

Posted by harkonenn on Tue, 08 Mar 2022 18:59:32 +0100

Librec learning notes: import librec into maven project

Recently, due to the competition, we need to learn the relevant knowledge of recommendation system, and librec is an open-source recommendation algorithm library based on Java, which is written by Guo Guibing team of Northeast University. There are 2.9k star s on GitHub. Most steps in this article refer to LibRec learning notes (I): how to impo ...

Posted by nekoanz on Tue, 08 Mar 2022 18:56:36 +0100

GDB modal tool learning notes - stepping and tracking function calls

brief introduction When using the graphical ide for program development, the editing tool usually has its own debugging function, which can interrupt the point, execute the code step by step and view the real-time value of each variable at any time. However, when developing c and c + +, it is often carried out under linux system, and throu ...

Posted by Chrisinsd on Tue, 08 Mar 2022 18:54:01 +0100