大约有 40,000 项符合查询结果(耗时:0.0629秒) [XML]

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Is this a “good enough” random algorithm; why isn't it used if it's faster?

... QuickRandom qr = new QuickRandom(); int[] frequencies = new int[10]; for (int i = 0; i < 100000; i++) { frequencies[(int) (qr.random() * 10)]++; } printDistribution("QR", frequencies); frequencies = new int[10]; for (int i = 0; i <...
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Black transparent overlay on image hover with only CSS?

... the img element itself, see. .image { position: relative; width: 400px; height: 400px; } Give the child img element a width of 100% of the parent and add vertical-align:top to fix the default baseline alignment issues. .image img { width: 100%; vertical-align: top; } As for th...
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Validate that a string is a positive integer

... 302 Two answers for you: Based on parsing Regular expression Note that in both cases, I've inte...
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what does -webkit-transform: translate3d(0,0,0); exactly do? Apply to body?

what does -webkit-transform: translate3d(0,0,0); exactly do? Does it have any performance issues? Should I just apply it to the body or individual elements? It seems to improve scroll events drastically. ...
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Truncate number to two decimal places without rounding

...eform.rounded var with2Decimals = num.toString().match(/^-?\d+(?:\.\d{0,2})?/)[0] rounded.value = with2Decimals } <form onsubmit="return calc(this)"> Original number: <input name="original" type="text" onkeyup="calc(form)" onchange="calc(form)" /> <br />"Rounded" numb...
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How to make Twitter bootstrap modal full screen

...d this in Bootstrap 3 with the following code: .modal-dialog { width: 100%; height: 100%; margin: 0; padding: 0; } .modal-content { height: auto; min-height: 100%; border-radius: 0; } In general, when you have questions about spacing / padding issues, try right+clicking (or cmd+cl...
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汇编常用寄存器及指令基础总结 - C/C++ - 清泛网 - 专注C/C++及内核技术

汇编常用寄存器及指令基础总结8086汇编常用寄存器数据寄存器AH&AL=AX:累加寄存器,常用于运算BH&BL=BX:基址寄存器,常用于地址索引CH&CL=CX:计数寄存器,常用于计数DH...8086汇编常用寄存器 数据寄存器 AH&AL=AX:累加寄存器,...
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Text border using css (border around text)

... Use multiple text shadows: text-shadow: 2px 0 0 #fff, -2px 0 0 #fff, 0 2px 0 #fff, 0 -2px 0 #fff, 1px 1px #fff, -1px -1px 0 #fff, 1px -1px 0 #fff, -1px 1px 0 #fff; body { font-family: sans-serif; background: #222; color: darkred; } h1 { text-sha...
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JS Client-Side Exif Orientation: Rotate and Mirror JPEG Images

...erver or anything. – igneosaur May 20 '16 at 8:28 3 @igneosaur: you can send base64 encoded data ...
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CSS Progress Circle [closed]

... ones I have been able to found show animated circles that go to the full 100%. 4 Answers ...