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Convert number strings with commas in pandas DataFrame to float
I have a DataFrame that contains numbers as strings with commas for the thousands marker. I need to convert them to floats.
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Select a Dictionary with LINQ
I have used the "select" keyword and extension method to return an IEnumerable<T> with LINQ, but I have a need to return a generic Dictionary<T1, T2> and can't figure it out. The example I learned this from used something in a form similar to the following:
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How to configure XAMPP to send mail from localhost?
I am trying to send mail from localhost.
but i am unable to send the mail from localhost
so can anybody tell me that how to reconfigure my xampp to send mail from localhost
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CGContextDrawImage draws image upside down when passed UIImage.CGImage
Does anyone know why CGContextDrawImage would be drawing my image upside down? I am loading an image in from my application:
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How can I iterate over an enum?
I just noticed that you can not use standard math operators on an enum such as ++ or +=
21 Answers
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Should a return statement be inside or outside a lock?
I just realized that in some place in my code I have the return statement inside the lock and sometime outside. Which one is the best?
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Checkbox for nullable boolean
My model has a boolean that has to be nullable
19 Answers
19
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Pretty git branch graphs
I've seen some books and articles have some really pretty looking graphs of git branches and commits. How can I make high-quality printable images of git history?
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What is thread safe or non-thread safe in PHP?
I saw different binaries for PHP, like non-thread or thread safe?
4 Answers
4
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Calling startActivity() from outside of an Activity?
I'm using an AlarmManager to trigger an intent that broadcasts a signal. The following is my code:
9 Answers
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