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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 “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
3 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
4 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
5 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?
6 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
7 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
8 What does the “yield” keyword do in Ruby?
2010年12月01 - item} end ... end What does the each method do? In particular, I don't understand what yield does. 每种方法有什么作用?特别是,我不明白收益率是多少。
9 How does python “know” what to do with the “in” keyword?
2015年08月03 - I'm a bit bewildered by the "in" keyword in python. python中的“in”关键字让我有点困惑。 If I take a sample list of tuples: 如果我取一个元组的样本列表: data
10 What does the keyword 'New' do in VBA?
2014年02月08 - 系统对象 In the upper example No.2 the New keyword is being used 在上面的例子No.2中使用了New关键字 Why that? Keep in mind i'm fresh of the boat in VBA but i will do my best

 
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