大约有 3,100 项符合查询结果(耗时:0.0175秒) [XML]

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Why does Java switch on contiguous ints appear to run faster with added cases?

... ;*new ; - javaapplication4.Test1::multiplyByPowerOfTen@72 (line 83) ; {runtime_call} 0x00000000024f0190: int3 ;*new ; - javaapplication4.Test1::multiplyByPowerOfTen@72 (line 83) 0x00000000024f0191: mulsd ...
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Is there a MySQL option/feature to track history of changes to records?

...in a MySQL database. So when a field has been changed, the old vs new is available and the date this took place. Is there a feature or common technique to do this? ...
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Latest jQuery version on Google's CDN

... v2.x is not compatible with v1.x. Any site that is pointing to this url will actually screw up the sites if it was updated to v2 – Abdul Munim May 23 '13 at 8:29 ...
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Does a favicon have to be 32x32 or 16x16?

... Safari Reader List sidebar in HiDPI/Retina 70 x 70 – Win 8.1 Metro tile 72 x 72 – iPad touch up to iOS6 76 x 76 – iOS7 96 x 96 – GoogleTV 114 x 114 – iPhone retina touch up to iOS6 120 x 120 – iPhone retina touch iOS7 128 x 128 – Chrome Web Store app, Android 144 x 144 – IE10 Metro ...
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Why is require_once so bad to use?

... 72 But that's 2 microseconds sooner the user would have the page. Over a year of page views, that could save the user a whole 3 seconds! They ...
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App Inventor 2 TaifunImage 拓展,图像高级处理功能,剪裁,压缩,翻转等 ...

... 教育 入门必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 App Inventor 2 TaifunImage 拓展,图...
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How to iterate object in JavaScript? [duplicate]

...nary.data and just iterate over dictionary – brendon-ai Nov 9 '17 at 1:29 1 for...in is for itera...
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Check if a temporary table exists and delete if it exists before creating a temporary table

...answered Mar 20 '09 at 0:28 pmac72pmac72 7,87411 gold badge1313 silver badges77 bronze badges ...
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Fixed point vs Floating point number

...(%) operand. 12.34 (pseudocode): v1 = 1234 / 100 // get the whole number v2 = 1234 % 100 // get the decimal number (100ths of a whole). print v1 + "." + v2 // "12.34" Floating point numbers are a completely different story in programming. The current standard for floating point numbers use somet...
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What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?

...array objectAtIndex:i] [NSDictionary dictionaryWithObjectsAndKeys: v1, k1, v2, k2, nil]; [dictionary valueForKey:k] @[a, b, c] array[i] @{k1:v1, k2:v2} dictionary[k] This part is new. Expression Literals When you have an expression (M_PI / 16 for example) you should put it inside parent...