大约有 13,922 项符合查询结果(耗时:0.0207秒) [XML]

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Map function in MATLAB?

... The short answer: the built-in function arrayfun does exactly what your map function does for numeric arrays: >> y = arrayfun(@(x) x^2, 1:10) y = 1 4 9 16 25 36 49 64 81 100 There are two other built-in functions that behave similarly: c...
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LINQ: Select an object and change some properties without creating a new object

... I'm not sure what the query syntax is. But here is the expanded LINQ expression example. var query = someList.Select(x => { x.SomeProp = "foo"; return x; }) What this does is use an anonymous method vs and expression. This allows you to use several s...
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Remove all occurrences of char from string

... CharSequence arguments (eg, String) rather than char: str = str.replace("X", ""); share | improve this answer | follow | ...
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Fastest way to determine if an integer is between two integers (inclusive) with known sets of values

Is there a faster way than x >= start && x <= end in C or C++ to test if an integer is between two integers? ...
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Load multiple packages at once

... -- but only if you specify the character.only argument to be TRUE. Quick example: lapply(x, require, character.only = TRUE) share | improve this answer | follow ...
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HTML for the Pause symbol in audio and video control

...browsers, you probably shouldn't use that one. I am using the latest Firefox and it isn't readable. – A Child of God Mar 11 '18 at 12:28 3 ...
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How to create UILabel programmatically using Swift?

How do I create a UILabel programmatically using Swift in Xcode 6? 12 Answers 12 ...
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How to succinctly write a formula with many variables from a data frame?

...have a response variable and a data containing three covariates (as a toy example): 6 Answers ...
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How to force R to use a specified factor level as reference in a regression?

How can I tell R to use a certain level as reference if I use binary explanatory variables in a regression? 6 Answers ...
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Add x and y labels to a pandas plot

... The df.plot() function returns a matplotlib.axes.AxesSubplot object. You can set the labels on that object. ax = df2.plot(lw=2, colormap='jet', marker='.', markersize=10, title='Video streaming dropout by category') ax.set_xlabel("x label") ax.set_ylabel("y label") ...