Switch cases evaluate cases from top to bottom, stopping when a case succeeds. (For example, switch i { case 0: case f(): } does not call f if i==0.) Note: Time in the Go playground always appears to start at 2009-11-10 23:00:00 UTC, a value whose si…

Switch without a condition is the same as switch true. This construct can be a clean way to write long if-then-else chains. package main import ( "fmt" "time" ) func main() { t := time.Now() switch { : fmt.Println("Good morning!&q…

You probably knew what switch was going to look like. A case body breaks automatically, unless it ends with a fallthrough statement. package main import ( "fmt" "runtime" ) func main() { fmt.Print("Go runs on ") switch os :=…

When multiple decorators apply to a single declaration, their evaluation is similar to function composition in mathematics. In this model, when composing functions f and g, the resulting composite (f ∘ g)(x) is equivalent to f(g(x)). As such, the fol…

Preface Validating data is a common task that occurs throughout all application layers, from the presentation to the persistence layer. Often the same validation logic is implemented in each layer which is time consuming and error-prone. To avoid dup…

一个PHP资源列表,内容包括:库.框架.模板.安全.代码分析.日志.第三方库.配置工具.Web 工具.书籍.电子书.经典博文等等. 初始翻译信息来自:<推荐!国外程序员整理的 PHP 资源大全> 该内容也可以在github的相关项目上浏览. 英文版:awesome-php 中文版:awesome-php-zh_CN github上awesome-php-zh_CN项目的内容会根据awesome-php项目的内容定期更新. 依赖管理 Dependency Management 依赖和包管理库 C…

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2. Built-in Functions https://docs.python.org/3.4/library/functions.html?highlight=file The Python interpreter has a number of functions and types built into it that are always available. They are listed here in alphabetical order.     Built-in Funct…