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Why am I getting a “401 Unauthorized” error in Maven?

Why am I getting a "401 Unauthorized" error in Maven? 21 Answers 21 ...
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Why does 0.ToString(“#.##”) return an empty string instead of 0.00 or at least 0?

Why does 0.ToString("#.##") return an empty string? Shouldn't it be 0.00 or at least 0 ? 5 Answers ...
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Why modelVersion of pom.xml is necessary and always set to 4.0.0?

I have noticed that Maven's <modelVersion></modelVersion> of pom.xml is always set to 4.0.0. 4 Answers ...
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What is the difference between CMD and ENTRYPOINT in a Dockerfile?

In Dockerfiles there are two commands that look similar to me: CMD and ENTRYPOINT . But I guess that there is a (subtle?) difference between them - otherwise it would not make any sense to have two commands for the very same thing. ...
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?

I've been profiling some of our core math on an Intel Core Duo, and while looking at various approaches to square root I've noticed something odd: using the SSE scalar operations, it is faster to take a reciprocal square root and multiply it to get the sqrt, than it is to use the native sqrt opcode!...
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Command-line Unix ASCII-based charting / plotting tool

Is there a good command-line UNIX charting / graphing / plotting tool out there? I'm looking for something that will plot xy points on an ASCII graph. ...
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Convert list of dictionaries to a pandas DataFrame

I have a list of dictionaries like this: 7 Answers 7 ...
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How can I get the client's IP address in ASP.NET MVC?

I'm totally new to the ASP.NET MVC stack, and I was wondering what happened to the simple Page object and the Request ServerVariables object? ...
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Replace all elements of Python NumPy Array that are greater than some value

I have a 2D NumPy array and would like to replace all values in it greater than or equal to a threshold T with 255.0. To my knowledge, the most fundamental way would be: ...
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How to remove gaps between subplots in matplotlib?

The code below produces gaps between the subplots. How do I remove the gaps between the subplots and make the image a tight grid? ...