大约有 7,000 项符合查询结果(耗时:0.0197秒) [XML]

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What's the best practice to round a float to 2 decimals? [duplicate]

...s 0. Do you know how to show always sign and all (2) decimals?? Example: 2.1234 --> 2.12 but 2.1 --> 2.1 but no 2.10 – vgonisanz Jan 18 '12 at 14:36 1 ...
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App Inventor 2 列表的函数式编程 · App Inventor 2 中文网

... 映射块接受两个输入:1)输入列表和 2)作为表达式操作项的主体块。 映射块迭代列表并使用主体块将列表中的每个项目映射到新项目。 在本例中,输入列表是 Berry 的过滤列表,主体块将每个项目乘以 2。 第3步:缩减 ...
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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

...等信息。如果没有处理它们,是不会通过apple的审查的。 系统自带的网络检查是原生的,AFNetworking也为我们添加了相关检测机制,所以这个直接在介绍AFNetworking的时候详解吧。 25.使用NSURLConnection下载数据 1. 创建对象 NSMutableU...
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Difference between toFixed() and toPrecision()?

...rovides x total length." does not necessarily hold. Counter example: 0.00001234.toPrecision(3) – djvg Nov 28 '18 at 8:36 add a comment  |  ...
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Using String Format to show decimal up to 2 places or simple integer

... An inelegant way would be: var my = DoFormat(123.0); With DoFormat being something like: public static string DoFormat( double myNumber ) { var s = string.Format("{0:0.00}", myNumber); if ( s.EndsWith("00") ) { return ((int)myNumber).ToString(); ...
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How to match “any character” in regular expression?

... flag when compiling the expression: Pattern pattern = Pattern.compile(".*123", Pattern.DOTALL); Matcher matcher = pattern.matcher(inputStr); boolean matchFound = matcher.matches(); share | improv...
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使用CSplitterWnd实现拆分窗口(多视图显示) - C/C++ - 清泛网 - 专注C/C++及内核技术

..., 除非从 CsplitterWnd派生一个新类并修改拆分窗口的默认操作性能,否则拆分窗口中的所有视图使用的都是相同的视图类。 静态拆分窗口是用CsplitterWnd::CreateStatic而不是CsplitterWnd::Create创建,并且由于MFC不会自动创建静态拆分窗...
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Truncate (not round) decimal places in SQL Server

... select round(123.456, 2, 1) share | improve this answer | follow | ...
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How to remove text from a string?

I've got a data-123 string. 11 Answers 11 ...
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Validate phone number with JavaScript

...fectly. It validates that the phone number is in one of these formats: (123) 456-7890 or 123-456-7890 26 Answers ...