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Replacing column values in a pandas DataFrame

I'm trying to replace the values in one column of a dataframe. The column ('female') only contains the values 'female' and 'male'. ...
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Int or Number DataType for DataAnnotation validation attribute

On my MVC3 project, I store score prediction for football/soccer/hockey/... sport game. So one of properties of my prediction class looks like this: ...
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How do Trigonometric functions work?

So in high school math, and probably college, we are taught how to use trig functions, what they do, and what kinds of problems they solve. But they have always been presented to me as a black box. If you need the Sine or Cosine of something, you hit the sin or cos button on your calculator and you'...
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Ruby Hash to array of values

I have this: 6 Answers 6 ...
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How to trim a file extension from a String in JavaScript?

For example, assuming that x = filename.jpg , I want to get filename , where filename could be any file name (Let's assume the file name only contains [a-zA-Z0-9-_] to simplify.). ...
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Convert Data URI to File then append to FormData

I've been trying to re-implement an HTML5 image uploader like the one on the Mozilla Hacks site, but that works with WebKit browsers. Part of the task is to extract an image file from the canvas object and append it to a FormData object for upload. ...
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jQuery find element by data attribute value

I have a few elements like below: 4 Answers 4 ...
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Compute a confidence interval from sample data

I have sample data which I would like to compute a confidence interval for, assuming a normal distribution. 4 Answers ...
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How to instantiate non static inner class within a static method?

I have the following piece of code: 4 Answers 4 ...
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Print an integer in binary format in Java

I have a number and I want to print it in binary. I don't want to do it by writing an algorithm, Is there any built-in function for that in Java? ...