PHP - 从函数中获取所有参数(甚至是可选参数)
I want to get all parameters (passed or not) from a function. 我想从函数中获取所有参数(传递或不传递)。 Example: 例: <?php function foo($a, $b=1) { return...
有没有办法将可选参数传递给函数?
Is there a way in Python to pass optional parameters to a function while calling it and in the function definition have some code based on "only if th...
MVC ActionLink从当前url添加所有(可选)参数
The very famous ActionLink: 非常有名的ActionLink: <%: Html.ActionLink("Back to List", "Index")%> Now, this link is in my Details view. The Index vie...
使用可选参数调用方法的最pythonic方法是什么?
Let's say I have a method with a few optional parameters. 假设我有一个带有一些可选参数的方法。 def foo(a, b=1, c=2, d=3) def foo(a,b = 1,c = 2,d = 3) How do I go about ...
如何在django中使用可选字段参数反转url?
I have an url with an optionnal argument: 我有一个带有optionnal参数的url: urlpatterns = patterns( 'my_app.views', url('schedule/(?P<calendar_id>\d+...
Sinatra路线的必需和可选参数
With Sinatra routes, how can there be both a required named parameter and an optional named parameter in the same part of the route. 使用Sinatra路由,如何在路径...
RewriteRule - 两个参数但最后一个参数是可选的
I cannot rewrite to include two parameters but the last parameter is optional, so for example: 我无法重写包含两个参数,但最后一个参数是可选的,例如: http://www.mywebsite.com/...
避免了可选参数的单调乏味
If I have a constructor with say 2 required parameters and 4 optional parameters, how can I avoid writing 16 constructors or even the 10 or so constru...
使用可选参数在.yml中进行翻译
I want to make a translation my_translation with an optional parameter. For example: 我想用可选参数进行翻译my_translation。例如: > I18n.t('my_translation')=> ...
vue 通过 name 和 params 进行调整页面传参刷新参数丢失问题&vue路由可选参数
vue 通过 name 和 params 进行调整页面传参刷新参数丢失问题router.js:export default new Router({ routes: [ { path: '/', redirect: '/main', },{ path: ...
在MySQL中创建具有可选参数的函数
I want to create a function with optional arguments in MySQL. For instance, I want to create function that calculates the average of its arguments. I ...
C# 方法的可选参数、命名参数
原文 http://www.cnblogs.com/lonelyxmas/admin/EditPosts.aspx?opt=1C#方法的可选参数是.net 4.0最新提出的新的功能,对应简单的重载可以使用可选参数和命名参数混合的形式来定义方法;这样就可以很高效的提供代码的运行效率!设计一个方法的参数...
有没有办法将可选参数发送给某个动作?
Can I send optional parameters (empty strings, null int?'s etc) to an action through a GET request in asp.net mvc? (one sentence question!) 我可以通过asp.n...
使用可选参数冲突重载方法
I have two overloaded methods, one with an optional parameter. 我有两个重载方法,一个带有可选参数。 void foo(string a) { } void foo(string a, int b = 0) { } now I ...
PHP类构造有三个可选参数但需要一个?
So basically I understand this ... 基本上我理解这个...... class User{ function __construct($id) {}}$u = new User(); // PHP would NOT allow this I want to b...
可选函数参数:使用默认参数(NULL)还是重载函数?
I have a function that processes a given vector, but may also create such a vector itself if it is not given. 我有一个处理给定向量的函数,但如果不给出它,也可以创建这样的向量本身。 I s...
C#3.0中的命名/可选参数?
Is there a way to add optional parameters to C# 3.0 like there will be in C# 4.0? I gotta have this feature, I just can't wait! 有没有办法在C#3.0中添加可选参数,就像在...
VBA如何在函数中使用可选参数
how do i use optional arguments in Visual Basic for aplications 我如何在Visual Basic中使用可选参数进行应用程序 the following code receives a range of strings and conca...
ASP.NET Web API:可选的Guid参数
I have ApiController with Get action like this: 我有ApiController和Get动作这样: public IEnumerable<Note> Get(Guid userId, Guid tagId){ var userNotes...
用于设置可选参数默认值的phpdoc标准?
Example: /** * This function will determine whether or not one string starts with another string. * @param string $haystack <p>The string that n...