Optimization for number of goroutines using feedback controlPepabo, Inc. 2019.07.25 GopherCon 2019 Optimization for number of goroutines using feedback control Principal engineer Yusuke MIYAKE @monochromegane Pepabo R&D Institute, GMO Pepabo, Inc. https://blog Design Implementation Runtime Concurrent Parallel • Thread management • Race conditions • Memory access sync • Deadlocks • Starvation • Granularity • Number of concurrency 1. Concurrency and Parallel • Thread management • Granularity • Number of concurrency • Race conditions • Memory access sync • Deadlocks • Starvation Runtime scheduler of Go �17 G M P G G Local Run Queue Global0 码力 | 66 页 | 13.04 MB | 1 年前3
Secure access to EC2 (for developers)Golang Warsaw #56 Jakub Wołynko Secure access to EC2 (for developers) Agenda – introduction – EC2 in native environment – 3-tier architecture intro – alternative methods of resource connection: groups or equivalent 3-tier architecture3-tier architecture - props and cons – full control over resource access – possibilities of disconnection resources from the internet – in general, more secure – architecture getting more complex – additional costs like VPN, NatGateway – regular resource access become more annoying solution one - bastion host Host Instance ProxyJump Bastion PreferredAuthentications0 码力 | 10 页 | 3.11 MB | 6 月前3
Spring Framwork Data Access v5.3.36 SNAPSHOTData Access Version 5.3.36-SNAPSHOT Table of Contents 1. Transaction Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . or Repository Classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 3. Data Access with JDBC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 3.1. Choosing an Approach for JDBC Database Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 3.2. Package Hierarchy0 码力 | 197 页 | 2.76 MB | 1 年前3
Casdoor · An Open Source UI-first Identity Access Management (IAM) / Single-Sign-On (SSO) platform supportingOv Over erview view Casdoor is a UI-first Identity Access Management (IAM) / Single-Sign-On (SSO) platform based on OAuth 2.0, OIDC, SAML, and CAS. Casdoor serves both the web UI and the login requests supports authorization management based on Casbin. It supports ACL, RBAC, ABAC, and RESTful access control models. 4. Casdoor provides phone verification code, email verification code, and password retrieval The Application will prompt the user: "Hey, I need some resources and I need your permission to access these resources. Can you go to this URL and enter your username and password for me?" With the0 码力 | 825 页 | 58.31 MB | 1 年前3
Java 应用与开发 - Java 语言基础与流程控制0 码力 | 37 页 | 685.82 KB | 1 年前3
The Swift Programming Language (Swift 5.7) - Apps Dissected+ oranges) pieces of fruit." 4 """ Create arrays and dictionaries using brackets ([]), and access their elements by writing the index or key in brackets. A comma is allowed after the last element new value for a variable or pass an argument to a function. 1 fruits = [] 2 occupations = [:] Control Flow Use if and switch to make conditionals, and use for-in, while, and repeat-while to make loops "120" 20 print(statistics.2) 21 // Prints "120" Functions can be nested. Nested functions have access to variables that were declared in the outer function. You can use nested functions to organize the0 码力 | 1040 页 | 10.90 MB | 1 年前3
CakePHP Cookbook 3.x
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351 12 Database Access & ORM 463 Quick Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . dashed using the DashedRoute class, therefore /article-categories/view-all is the correct form to access the ArticleCategoriesController::viewAll() action. When you create links using this->Html->link() and templates. CakePHP’s models are composed of Table and Entity objects. Table objects provide access to the collection of entities stored in a specific table. They are stored in src/Model/Table. The0 码力 | 967 页 | 2.80 MB | 1 年前3
CakePHP Cookbook Documentation 5.x. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219 12 Database Access & ORM 321 Quick Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Queries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 633 Control which Fields Used for Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . case and dashed using the DashedRoute class, therefore /menu-links/view-all is the correct form to access the MenuLinksController::viewAll() action. When you create links using this->Html->link(), you can0 码力 | 848 页 | 2.53 MB | 1 年前3
CakePHP Cookbook 4.x
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317 12 Database Access & ORM 419 Quick Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . case and dashed using the DashedRoute class, therefore /menu-links/view-all is the correct form to access the MenuLinksController::viewAll() action. When you create links using this->Html->link(), you can and templates. CakePHP’s models are composed of Table and Entity objects. Table objects provide access to the collection of entities stored in a specific table. They are stored in src/Model/Table. The0 码力 | 967 页 | 2.88 MB | 1 年前3
CakePHP Cookbook 3.x
Submitting a Pull Request Coding Standards Adding New Features IDE Setup Indentation Line Length Control Structures Comparison Function Calls Method Definition Bail Early Method Chaining Commenting Code The Pages Controller Components Views The App View View Templates Alternative Echos Alternative Control Structures View Variables Setting View Variables Extending Views Using View Blocks Displaying Blocks Creating Your Own View Classes More About Views View Cells Themes JSON and XML views Helpers Database Access & ORM Quick Example More Information Database Basics Query Builder Table Objects Entities Retrieving0 码力 | 1244 页 | 1.05 MB | 1 年前3
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