大约有 10,158 项符合查询结果(耗时:0.0295秒) [XML]

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Updating packages in Emacs

I have the following setup for packages (not sure if there is a better recommended one): 4 Answers ...
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Overlaying histograms with ggplot2 in R

I am new to R and am trying to plot 3 histograms onto the same graph. Everything worked fine, but my problem is that you don't see where 2 histograms overlap - they look rather cut off. ...
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How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?

... 18 Answers 18 Active ...
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Is R's apply family more than syntactic sugar?

...regarding execution time and / or memory. 5 Answers 5 ...
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Formatting code snippets for blogging on Blogger [closed]

My blog is hosted on Blogger and I frequently post code snippets in C / C# / Java / XML etc. but I find the snippet gets "mangled". ...
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Python: Continuing to next iteration in outer loop

I wanted to know if there are any built-in ways to continue to next iteration in outer loop in python. For example, consider the code: ...
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How do I make a Mac Terminal pop-up/alert? Applescript?

I want to be able to have my program display an alert, notice, whatever that displays my custom text. How is this done? Also, is it possible to make one with several buttons that sets a variable? ...
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Impossible to make a cached thread pool with a size limit?

It seems to be impossible to make a cached thread pool with a limit to the number of threads that it can create. 13 Answers...
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sed error: “invalid reference \1 on `s' command's RHS”

I run several substitution commands as the core of a colorize script for maven . One of the sed commands uses a regular expression which works find in the shell as discussed here . The current (not working) implementation can be found here . ...
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Colorizing text in the console with C++

How can I write colored text to the console with C++? That is, how can I write different text with different colors? 12 Ans...