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Apply multiple functions to multiple groupby columns

...] < 0].sum(). This is starting to get pretty messy, though--I think for readability manual looping may be preferable, plus I'm not sure there's a way to give it my preferred name in the agg argument (instead of <lambda>). I'll hold out hope that someone may know a more straightforward way.....
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Hash collision in git

...e someone experimented on it. I will quote from that answer: If a blob already exists with the same hash, you will not get any warnings at all. Everything seems to be ok, but when you push, someone clones, or you revert, you will lose the latest version (in line with what is explained above). If a...
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What's “tools:context” in Android layout files?

... oops . i didn't read the screenshot's text correctly .sorry . when hovering over what i've shown , it also says that it can be a fragment , but fragments don't have their theme written anywhere , no? anyway , i'm still not sure what is thi...
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How to handle dependency injection in a WPF/MVVM application

... which will also prevent everything else from beeing shown. Maybe you've already found a neat solution to this. In this case I'd please you to show it. – LuckyLikey Apr 20 '17 at 12:52 ...
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Understanding REST: Verbs, error codes, and authentication

... scope of the processing rules for a media type (and, in most cases, already defined by existing media types). [Failure here implies that out-of-band information is driving interaction instead of hypertext.] Folks always start with the URIs and think this is the solution, and then they...
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Force LF eol in git repo and working copy

...Normally these settings would be done with macro attributes for improved # readability and easier maintenance. However macros can only be defined at the # repository root directory. Drupal avoids making any assumptions about where it # is installed. # Define text file attributes. # - Treat them as ...
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Text size and different android screen sizes

I know, it was discussed already 1000 times, but I can't adjust the text size for different screen sizes. I try to use 'sp' as size units in my custom style: ...
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Is Unit Testing worth the effort? [closed]

...l, you feel just as sore as you were the first time you went. You do some reading, to see if you're doing something wrong. You begin feel a little bit of irrational spite toward all the fit, happy people extolling the virtues of exercise. You realize that you don't have a lot in common. They don...
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What are the differences between delegates and events?

... may be a good option. In this case you can check to see if a handler is already set, and react appropriately. This may also be a good setup if you need the object holding the Delegate to be able to clear out all handlers (event does not give you any way to do this). – jrh ...
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Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4)

... yeah sorry about that. i just realized that you already knew how to do that. i did add how to receive mms though. – user1959417 Jan 23 '13 at 19:16 ...