大约有 26,000 项符合查询结果(耗时:0.0465秒) [XML]

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How to run a makefile in Windows?

I have some demos that I downloaded and they come with a Makefile.win and a Makefile.sgi. How can I run these in Windows to compile the demos? ...
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How to avoid reinstalling packages when building Docker image for Python projects?

My Dockerfile is something like 4 Answers 4 ...
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Rotating x axis labels in R for barplot

...g to get the x axis labels to be rotated 45 degrees on a barplot with no luck. This is the code I have below: 8 Answers ...
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get all keys set in memcached

How can I get all the keys set in my memcached instance(s)? 6 Answers 6 ...
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Factors in R: more than an annoyance?

One of the basic data types in R is factors. In my experience factors are basically a pain and I never use them. I always convert to characters. I feel oddly like I'm missing something. ...
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Replacing NULL with 0 in a SQL server query

I have developed a query, and in the results for the first three columns I get NULL . How can I replace it with 0 ? 11 ...
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How do I center a window onscreen in C#?

I need a way to center the current window. So for example, if a user pushes a button, I want the window to center itself onscreen. I know you can use the startposition property, but I cannot figure out a way to use that other than when the application first starts up. So how do I center the form on ...
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How to convert/parse from String to char in java?

How do I parse a String value to a char type, in Java? 14 Answers 14 ...
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Removing numbers from string [closed]

How can I remove digits from a string? 8 Answers 8 ...
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Why should I avoid using Properties in C#?

In his excellent book, CLR Via C#, Jeffrey Richter said that he doesn't like properties, and recommends not to use them. He gave some reason, but I don't really understand. Can anyone explain to me why I should or should not use properties? In C# 3.0, with automatic properties, does this change? ...