大约有 47,000 项符合查询结果(耗时:0.0471秒) [XML]

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How to get a random number in Ruby

How do I generate a random number between 0 and n ? 17 Answers 17 ...
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Array Size (Length) in C#

...nt[,] b = new int[3, 5];) b.Rank will give the number of dimensions (2) and b.GetLength(dimensionIndex) will get the length of any given dimension (0-based indexing for the dimensions - so b.GetLength(0) is 3 and b.GetLength(1) is 5). See System.Array documentation for more info. As @Lucero ...
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Convert to/from DateTime and Time in Ruby

How do you convert between a DateTime and a Time object in Ruby? 6 Answers 6 ...
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Does .NET provide an easy way convert bytes to KB, MB, GB, etc.?

...lPlaces + "} {1}", adjustedSize, SizeSuffixes[mag]); } And here's the original implementation I suggested, which may be marginally slower, but a bit easier to follow: static readonly string[] SizeSuffixes = { "bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", ...
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Generate unique random numbers between 1 and 100

How can I generate some unique random numbers between 1 and 100 using JavaScript? 29 Answers ...
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Random date in C#

I'm looking for some succinct, modern C# code to generate a random date between Jan 1 1995 and the current date. 7 Answers ...
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Why do we always prefer using parameters in SQL statements?

...w to working with databases. Now I can write SELECT , UPDATE , DELETE , and INSERT commands. But I have seen many forums where we prefer to write: ...
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jQuery Tips and Tricks

... Creating an HTML Element and keeping a reference var newDiv = $("<div />"); newDiv.attr("id", "myNewDiv").appendTo("body"); /* Now whenever I want to append the new div I created, I can just reference it from the "newDiv" variable */ ...
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Most underused data visualization [closed]

Histograms and scatterplots are great methods of visualizing data and the relationship between variables, but recently I have been wondering about what visualization techniques I am missing. What do you think is the most underused type of plot? ...
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Good tutorials on XMPP? [closed]

I've been looking at some open-source XMPP servers, and am familiar with the official page http://xmpp.org/ . But thus far I've not found anything in between " The Extensible Messaging and Presence Protocol (XMPP) is an open technology for real-time communication " and a list of XEP specifications....