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How to determine if a decimal/double is an integer?

How do I tell if a decimal or double value is an integer? 14 Answers 14 ...
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iOS开发过程中的各种tips - 更多技术 - 清泛网 - 专注C/C++及内核技术

...textField resignFirstResponder]; return YES; } 2.CGRect CGRectFromString(<#NSString *string#>)//有字符串恢复出矩形 CGRectInset(<#CGRect rect#>, <#CGFloat dx#>, <#CGFloat dy#>)//创建较小或者较大的矩形 CGRectIntersectsRect(<#CGRect rect1#>, <#CGRect rect2#>)//判断两...
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Oracle “Partition By” Keyword

Can someone please explain what the partition by keyword does and give a simple example of it in action, as well as why one would want to use it? I have a SQL query written by someone else and I'm trying to figure out what it does. ...
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How to get a random number in Ruby

How do I generate a random number between 0 and n ? 17 Answers 17 ...
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Add centered text to the middle of a -like line

I'm wondering what options one has in xhtml 1.0 strict to create a line on both sides of text like-so: 32 Answers ...
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LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...如图1- 2所示。概要中列出了场景执行情况、“Statistics Summary(统计信息摘要)”、“Transaction Summary(事务摘要)”以及“HTTP Responses Summary(HTTP响应摘要)”等。以简要的信息列出本次测试结果。 图1- 2性能测试结果摘要图...
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Programmatically obtain the Android API level of a device?

How can I find out which API level my device is using? 7 Answers 7 ...
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How to check an Android device is HDPI screen or MDPI screen?

I want to check this to fetch different images by internet. How to do that? 6 Answers ...
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How do I check that a number is float or integer?

How to find that a number is float or integer ? 44 Answers 44 ...
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Difference between jQuery `click`, `bind`, `live`, `delegate`, `trigger` and `on` functions (with an

I have read the documentation of each function on jQuery official website , but there is no such comparison listings between below functions: ...