Modules extend self Module Type Checking Modules Modules serve two purposes: as namespaces for defining other types, methods and constants as partial types that can be mixed...

Requests Handling View Rendering Bypass Rendering Initialization Requests Handling In the previous section , we generated an action. Now let’s use it. First, we check our r...

MQTT 数据上送应用示例 MQTT 数据上送应用示例 此应用使用lua-mosquitto模块(lua-mosquitto ) 代码: local class = require 'middleclass' local mosq = require 'mosquitto' local cjson ...

Standard base classes Leveraging action inheritance When you inherit from an action class, you also inherit much of its behavior. This includes: Dependencies specified with t...

Generics Generic class methods Generic structs and modules Generic types inheritance Generics with variable number of arguments Generics Generics allow you to parameterize a...

Autoloading in the app directory Autoloading in the lib directory Requiring gems Inflections Hanami uses the Zeitwerk code loader to support autoloading. This means that yo...

Hybrid Attributes Hybrid API Hybrid Attributes Hybrid attributes encapsulate functionality that operates at both the Python and SQL levels. The idea for hybrid attributes come...

3.9.4. Doing the Work Getting User Confirmation Adding or Editing Records 3.9.4. Doing the Work Four operations are provided for working with the invoice header: adding, edit...

前言 认证流程分析 挑战码报文 前言 本文主要介绍 client 与 server 连接与认证过程，包括client和server之间的网络交互情况 使用 mysql 5.6.16官方版本分析 认证流程分析 client 建立连接的认证过程如下图 server 监听端口 client 向server建立TCP连接 server 向cl...

Block forwarding Forwarding non-captured blocks Block forwarding To forward captured blocks, you use a block argument, prefixing an expression with & : def capture (& block )...