Goang Implements Load Balancing Algorithm

1. Real Server package main import ( "fmt" "log" "net/http" "os" "os/signal" "strconv" "syscall" "time" ) type realServer struct { Addr string } func (rs *realServer) HelloHandler(w http.ResponseWriter,r *http.Request){ data := fmt.Sprintf("[%s] http://%s%s \n\n",rs.Addr,rs.Addr,r.RequestURI) w.Wr ...

Posted on Fri, 26 Jun 2020 13:12:54 -0400 by Richzilla

Eureka highly available Client retry mechanism: RetryableEurekaHttpClient

Here are a few questions I asked myself when I read the source code. First, let's bring them up. I hope that those who read this article will read them with questions. Then, I will give a preliminary introduction to EurekaHttpClient system. Later, I will talk about RetryableEurekaHttpClient in detail ...

Posted on Fri, 26 Jun 2020 04:47:11 -0400 by abigbluewhale

A small optimization of Sunday algorithm

Optimization algorithm idea: 1. Key idea of Sunday algorithm By analyzing the traditional Sunday algorithm, I find that the key idea of realizing jump is the second step. Let's analyze the principle of the second step in depth: we should working hard work Why do h compare elements in work one by one? ...

Posted on Fri, 26 Jun 2020 03:49:04 -0400 by gwolff2005

Solution function fminunc (linear and nonlinear) in matlab minimization function

1. Unconstrained (unconditional) optimization fminunc function It can be used to find the minimum value of any function Unified minimum problem To find the maximum value: Taking the opposite number of a function becomes the problem of finding the minimum value. Finally, taking the opposite value ...

Posted on Fri, 26 Jun 2020 02:38:59 -0400 by hermes

Multithreading - thread pool

Application of pooling Technology: thread pool, database connection pool, http connection pool, etc. The idea of pooling technology is mainly to reduce the consumption of resources obtained each time and improve the utilization rate of resources. Benefits of using thread pools: Reduce resource co ...

Posted on Fri, 26 Jun 2020 01:59:12 -0400 by Loriq

Path of PAT a

Intron This copy of the game is called PAT A. I believe that many players know this copy and some players have passed this copy. This dungeon can give junior players rich experience value, or even the key to advance. After 15 days, this player has finally finished painting this copy, leaving the copy ...

Posted on Fri, 26 Jun 2020 00:12:19 -0400 by cdog5000

Machine learning Python Version (Section 3)

Model selection and tuning 1. Cross validation Cross validation process Cross validation: the data obtained are divided into training and validation sets. The following figure is an example: divide the data into 5 copies, one of which is used as the verification set. Then, after five tests (groups), ...

Posted on Thu, 25 Jun 2020 07:48:06 -0400 by taya

CopyOnWriteArrayList special points, compare ArrayList

CopyOnWriteArrayList special points, compare ArrayList ArrayList can use the iterator's remove method to delete elements, CopyOnWriteArrayList can't use the iterator's remove method to delete elements, but can only use the collection's remove method to delete elements public class Demo15 { publi ...

Posted on Thu, 25 Jun 2020 07:03:39 -0400 by [L3]sPARTAN

Virtual machine - TEST compiler (4)

catalog 1 virtual machine 1.1 function 1.2 characteristics 1.3 design ideas 2 complete code 3 Summary Lexical analysis: Lexical analysis -- TEST compiler (1) Parsing: Syntax analysis -- TEST compiler (2) Semantic analysis: Semantic analysis -- TEST compiler (3) 1 virtual machine 1.1 function ...

Posted on Thu, 25 Jun 2020 00:43:25 -0400 by spiyun

Step by step learning linux operating system: 10 process data structure II

task_ Source location of struct: linux-4.13.16\include\linux\sched.h Operation statistics Including user / kernel running time, up / down switching times, startup time, etc; u64 utime;//CPU time consumed in user mode u64 stime;//CPU time consumed by kernel state unsigned long nvcsw; ...

Posted on Thu, 25 Jun 2020 00:28:10 -0400 by mjurmann