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正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术

正则表达式 30 分钟入门教程来园子之前写的一篇正则表达式教程,部分翻译自codeproject的The 30 Minute Regex Tutorial。由于评论里有过长的URL,所以本页排版比较... 来园子之前写的一篇正则表达式教程,部分翻译自codeproject的The 30...
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switch() statement usage

... 120 Well, timing to the rescue again. It seems switch is generally faster than if statements. So tha...
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ASP.NET Identity's default Password Hasher - How does it work and is it secure?

... } using (Rfc2898DeriveBytes bytes = new Rfc2898DeriveBytes(password, 0x10, 0x3e8)) { salt = bytes.Salt; buffer2 = bytes.GetBytes(0x20); } byte[] dst = new byte[0x31]; Buffer.BlockCopy(salt, 0, dst, 1, 0x10); Buffer.BlockCopy(buffer2, 0, dst, 0x11, 0x20); ...
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How to find the JVM version from a program?

... 10 Answers 10 Active ...
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What is the colon operator in Ruby?

... 250 :foo is a symbol named "foo". Symbols have the distinct feature that any two symbols named the s...
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How to remove leading zeros using C#

...e ones that convert through IntXX) methods will not work for: String s = "005780327584329067506780657065786378061754654532164953264952469215462934562914562194562149516249516294563219437859043758430587066748932647329814687194673219673294677438907385032758065763278963247982360675680570678407806473296...
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How do I get whole and fractional parts from double in JSP/Java?

... 102 http://www.java2s.com/Code/Java/Data-Type/Obtainingtheintegerandfractionalparts.htm double num...
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How to trim leading and trailing white spaces of a string?

... Denys SéguretDenys Séguret 321k6969 gold badges680680 silver badges668668 bronze badges 2 ...
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How to get current time with jQuery

... 307 +100 You may...
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How to create a drop shadow only on one side of an element?

...ent is required. #box { background-color: #3D6AA2; width: 160px; height: 90px; position: absolute; top: calc(10% - 10px); left: calc(50% - 80px); } .box-shadow:after { content:""; position:absolute; width:100%; bottom:1px; z-index:-1; ...