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List of installed gems?

... Gem::Requirement.default) specs = Gem.source_index.search(dep) puts specs[0..5].map{ |s| "#{s.name} #{s.version}" } # >> Platform 0.4.0 # >> abstract 1.0.0 # >> actionmailer 3.0.5 # >> actionpack 3.0.5 # >> activemodel 3.0.5 # >> activerecord 3.0.5 Here's an ...
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CSS hack大全 - 创意 - 清泛网 - 专注C/C++及内核技术

...bb{height:32px;background-color:#f1ee18;/*所有识别*/ background-color:#00deff\9; /*IE6、7、8识别*/ +background-color:#a200ff;/*IE6、7识别*/ _background-color:#1e0bd1/*IE6识别*/} @media screen and (-webkit-min-device-pixel-ratio:0){.bb{background-color:#f1ee18}}{} /* Safari(Chrome) ...
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Multiple lines of text in UILabel

... 801 I found a solution. One just has to add the following code: // Swift textLabel.lineBreakMode ...
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编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...

...活。这行语句会变成对函数_CxxThrowException (函数来自MSVCR100.dll或其他类似版本的dll)的调用。 这个函数有编译器内部构建。你喜欢的话,你可以自己调用它。这个函数的第一个参数是指向抛出的异常对象的指针。 所以,上面的代...
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Unicode与UTF-8互转(C语言实现) - C/C++ - 清泛网 - 专注C/C++及内核技术

...终都表示为一个二进制的字符串. 每一个二进制位(bit)有0和1两种状态, 因此...1. 基础 1.1 ASCII码 我们知道, 在计算机内部, 所有的信息最终都表示为一个二进制的字符串. 每一个二进制 位(bit)有0和1两种状态, 因此八个二进制位...
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What is :: (double colon) in Python when subscripting sequences?

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How to add extra namespaces to Razor pages instead of @using declaration?

...r.Configuration.RazorWebSectionGroup, System.Web.WebPages.Razor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> <section name="host" type="System.Web.WebPages.Razor.Configuration.HostSection, System.Web.WebPages.Razor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=3...
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Convert char to int in C and C++

... 580 Depends on what you want to do: to read the value as an ascii code, you can write char a = 'a'...
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Go to beginning of line without opening new line in VI

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Get a pixel from HTML Canvas?

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