我正在学习KnockoutJS,但我不明白$root和$parent用法之间的区别。you remove $data before lastName in note (1) you get undefined error because because mainloop dont havelastName root model has lastName so you have to access using parent or higher level */
ko.applyBindings(new mai
嗨,我有下面的sql语句,它给了我每个员工已经完成的所有工作的first_name和总数,但是现在我想要一个员工与另一个工人正在做的工作的first_name和job_id,我总共有三个表。下面是我用来获得名字和工作总数的代码FROM employee, job, link
WHERE job.job_id
我目前正在为Rails应用程序中的消息传递系统编写Cucumber功能。这是我的一步。see the message displayed in their language$/) do expect(page).to have_selector("textarea##{id}") expect(page).to have_field(id, type: :t
我也有很多该类的实现,我想为这些实现创建一个工厂。需要以这样的用法结束:MyAbstractClass.Factory.CreateSomething();1) Factory应该是带有静态方法的嵌套静态类
... a) (will not work) //`FactoryClass` have static methods, and public orintern
strings = ['I have a bird', 'I have a bag and a bird', 'I have a bag']无论顺序如何,我都想在列表strings中找到包含书签和书包的字符串。因此,strings中只有第二个元素的结果应该是true,其余的应该是false。我想要的输出:Tru
expect(page).to have_selector('#braintree-dropin-frame', count: 1)
expect(page).to have_selector('#braintree-dropin-frame', count: 1)
# User visits page from within the websiteexpect(page).to have_selector('#braintre