大约有 18,000 项符合查询结果(耗时:0.0463秒) [XML]

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How can I recursively find all files in current and subfolders based on wildcard matching?

How can I recursively find all files in current and subfolders based on wildcard matching? 16 Answers ...
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Does the ternary operator exist in R?

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

I am working on some Java code which needs to be highly optimized as it will run in hot functions that are invoked at many points in my main program logic. Part of this code involves multiplying double variables by 10 raised to arbitrary non-negative int exponent s. One fast way (edit: but no...
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Best way to select random rows PostgreSQL

I want a random selection of rows in PostgreSQL, I tried this: 12 Answers 12 ...
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Auto-reload browser when I save changes to html file, in Chrome?

I'm editing an HTML file in Vim and I want the browser to refresh whenever the file underneath changes. 22 Answers ...
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C# - how to determine whether a Type is a number

Is there a way to determine whether or not a given .Net Type is a number? For example: System.UInt32/UInt16/Double are all numbers. I want to avoid a long switch-case on the Type.FullName . ...
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Exit Shell Script Based on Process Exit Code

I have a shell script that executes a number of commands. How do I make the shell script exit if any of the commands exit with a non-zero exit code? ...
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Use CSS3 transitions with gradient backgrounds

I'm trying to transition on hover with css over a thumbnail so that on hover, the background gradient fades in. The transition isn't working, but if I simply change it to an rgba() value, it works fine. Are gradients not supported? I tried using an image too, it won't transition the image either. ...
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Groovy executing shell commands

Groovy adds the execute method to String to make executing shells fairly easy; 7 Answers ...
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pythonw.exe or python.exe?

Long story short: pythonw.exe does nothing, python.exe accepts nothing (which one should I use?) 6 Answers ...