大约有 47,000 项符合查询结果(耗时:0.0555秒) [XML]

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Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?

... +50 I use javascript:void(0). Three reasons. Encouraging the use of # amongst a team of developers inevitably leads to some using the ret...
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A better similarity ranking algorithm for variable length strings

...str1 varchar, str2 varchar) RETURNS float8 AS ' str1.downcase! pairs1 = (0..str1.length-2).collect {|i| str1[i,2]}.reject { |pair| pair.include? " "} str2.downcase! pairs2 = (0..str2.length-2).collect {|i| str2[i,2]}.reject { |pair| pair.include? " "} union = pairs1.size + pairs2.size inters...
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How does a UILabel's minimumScaleFactor work?

... 205 You need to set the label.adjustsFontSizeToFitWidth = YES; ...
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pandas read_csv and filter columns with usecols

...andas as pd from StringIO import StringIO csv = r"""dummy,date,loc,x bar,20090101,a,1 bar,20090102,a,3 bar,20090103,a,5 bar,20090101,b,1 bar,20090102,b,3 bar,20090103,b,5""" df = pd.read_csv(StringIO(csv), header=0, index_col=["date", "loc"], usecols=["date", "loc", "x"], ...
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How do I detect the Python version at runtime? [duplicate]

...check that you are running Python 3.x, use import sys if sys.version_info[0] < 3: raise Exception("Must be using Python 3") Here, sys.version_info[0] is the major version number. sys.version_info[1] would give you the minor version number. In Python 2.7 and later, the components of sys.ve...
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What is a “context bound” in Scala?

... 107 Did you find this article? It covers the new context bound feature, within the context of arra...
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What is the difference between ManualResetEvent and AutoResetEvent in .NET?

... | edited Jan 7 '15 at 10:39 Yves M. 24.5k1919 gold badges8989 silver badges118118 bronze badges answe...
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How much size “Null” value takes in SQL Server

I have a large table with say 10 columns. 4 of them remains null most of the times. I have a query that does null value takes any size or no size in bytes. I read few articles some of them are saying : ...
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JSON left out Infinity and NaN; JSON status in ECMAScript?

... | edited Sep 18 '09 at 3:40 answered Sep 14 '09 at 21:34 ...
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How does variable assignment work in JavaScript?

... edited Aug 11 '18 at 14:50 Volker E. 5,1821111 gold badges4141 silver badges6262 bronze badges answered...