Current Limiting Technology for High Concurrent Solution--Leaky Bucket Current Limiting

1. Leaky bucket algorithmLeaky Bucket Algorithms as a Meter can be used for Traffic Shaping and Traffic Policing. Leaky Bucket Algorithms are described as follows:A leaky bucket with a fixed capacity flows water droplets at a constant fixed rate.If the bucket is empty, there is no need to flow out water drops;Water droplets can flow into the le ...

Posted on Mon, 14 Oct 2019 08:00:15 -0700 by fuii_koh

Laravel Authorization: Authorization libraries supporting ACL, RBAC, ABAC and other models

Laravel Authorization Be based on Casbin It is an authorization library that supports access to multiple access control models (such as ACL, RBAC, ABAC, etc.).Before that, you need to know Casbin. install Use Composer to install: composer require casbin/laravel-authz Lauthz LauthzService Provider is auto-discovered and registered by default, bu ...

Posted on Mon, 14 Oct 2019 01:09:27 -0700 by fernyburn

C# AutoMapper

What is AutoMapper? Simply put, it's the code that maps one object to another. Get rid of the tedious assignment process (the most common is Model - - ViewModel) AutoMapper installation I use VS2015, which can be downloaded by typing AutoMapper directly into NuGet You can also use console commands PM> Install-Package AutoMapper   He ...

Posted on Sun, 13 Oct 2019 14:28:15 -0700 by robnet

Doubling lca learning notes

Preposition multiplication Example P3865 [Template] ST Table #include <cstdio> #include <algorithm> #include <cstring> #define maxn 500010 using namespace std; int n, m, st[maxn][21], llog2[maxn]; void init() { for(int j = 1; (1 << j) <= n; j++) for(int i = 1; i + (1 << j) - 1 <= n; i++) ...

Posted on Sun, 13 Oct 2019 12:58:29 -0700 by jronyagz

Learning Notes of mooc, Peking University, Foundation of Programming and Algorithms

1:   Idea analysis:       My realization is as follows: #include <iostream> using namespace std; double exp_value(); double elem_value(); double yz_value(); int main() { printf("%0.2f\n",exp_value()); return 0; } double exp_value() { double result=elem_value(); while(true) { ...

Posted on Sun, 13 Oct 2019 12:17:58 -0700 by knight

Will illegal address access in kernel state panic

https://mp.weixin.qq.com/s?__biz=MzAwMDUwNDgxOA==&mid=2652663676&idx=1&sn=b18ab57322594ebb8e7072e635e8bd1c&chksm=810f29e1b678a0f7238e8a71fd88f14c3c71e65556d149bbe851f08f775300bc7bb6ddbb503a&mpshare=1&scene=1&srcid=07302BR8M8OSgsym8wtFHNaB&sharer_sharetime=1564482704949&sharer_shareid=6a5d5f4082de4dfaafd2e3b24 ...

Posted on Sun, 13 Oct 2019 11:46:16 -0700 by acheoacheo

Greedy Interval Problems

Interval Covering Problem There are N closed intervals [Ai, Bi] on the axis of the number. Choose as few intervals as possible to cover a specified line segment [S, T]. Read-in preprocessing, directly ignore the outside of the interval, according to the left endpoint from small to large sorting, start to find the right endpoint that satisfies ...

Posted on Sun, 13 Oct 2019 10:54:40 -0700 by azeem123456

Understand thoroughly why arrays (strings) allocated on the stack cannot be used as return values

background Recent preparations From C Language Zero Foundation to PHP Extended Development Practice In the course of the case, the following code fragments are prepared to demonstrate the parsing of http scheme #include <stdio.h> #include <stdlib.h> #include <string.h> char *parse_scheme(const char *url) { char *p = strst ...

Posted on Sun, 13 Oct 2019 02:08:39 -0700 by BMurtagh

Wechat Domain Name Interception Detection API Interface

What is Wechat Domain Name Interception Detection?Because Wechat is strict with the content specification of external links, it may be judged as violating the content specification or being maliciously reported and complained by peers. As a result, the situation of "stop visiting this web page" occurs, which leads to the loss of a la ...

Posted on Sat, 12 Oct 2019 09:27:59 -0700 by shadow1200

Apache-Shiro Custom Realm Reality

Introduction to custom Realm In general, custom Realm inherits AuthorizingRealm. Inheritance of Realm: Authorizing Realm - > Authenticating Realm - > Caching Realm - > Realm. step Create a class that inherits AuthorizingRealm. Rewrite the authorization method doGetAuthorization Info. Rewrite the authentication method doGetAuthen ...

Posted on Sat, 12 Oct 2019 08:27:42 -0700 by mysqlnewjack