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1 What does PHP keyword 'var' do?
2009年07月30 - 这个。 What does the 'var' keyword mean in PHP? 在PHP中,“var”关键字是什么意思? Are there any differences between PHP4 and PHP5? PHP4和PHP5有什么区别吗?
2 What does the `is` keyword do in typescript?
2016年10月17 - 上。 What does the keyword do in that context? 关键字在该上下文中的作用是什么?
3 What does the “yield” keyword do?
2008年10月23 - What is the use of the yield keyword in Python? What does it do? 在Python中,yield关键字的使用是什么?它做什么? For example, I'm trying to understand this code1
4 what does the “it” keyword do in RSpec?
2012年01月16 - I'm following the rails3tutorial and I don't understand the meaning of the "it" keyword when doing some testing as follows: 我正在跟踪rails3tutorial,在做一些
5 What does the “strong” keyword do
2011年07月07 - 了Xcode 4.2 developer preview版本,并创建了cocoa应用程序。但是我在委托类中发现了一个非常奇怪的语法: @property (strong) IBOutlet NSWindow *window; What does this mean? And the compiler
6 What does the “assert” keyword do? [duplicate]
2010年06月10 - This question already has an answer here: 这个问题已经有了答案: What does the Java assert keyword do, and when should it be used? 17 answers
7 What does the inherit keyword in CSS do?
2010年01月04 - Can somebody please explain, what is the inherit keyword meant to do in CSS? 有人可以解释一下,CSS中的遗传关键字是什么意思?
8 What does the 'static' keyword do in a class?
2009年01月05 - that keyword before the declaration? What exactly will it do and/or restrict in terms of what can be done to that object? 它工作。将关键字放在声明之前是什么意思?它究竟会做什么和/或限制对那个物体能做什么?
9 What use keyword do in closures in php
2012年05月07 - I found code like this and can't find what it does 我找到了这样的代码,却找不到它的功能。 $callback = function ($pricePerItem) use ($tax, &$total) { $total
10 What does the fail keyword do in Ruby?
2013年09月15 - I am learning Ruby and encountered the fail keyword. What does it mean? 我正在学习Ruby并遇到了fail关键字。这是什么意思? if password.length < 8 fail "Password too

 
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