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Rails 2.3-style plugins and deprecation warnings running task in Heroku

... Yep, I realize that all the warnings came from my Heroku scripts and logs. I'll assume that (a) it's the plugin injections and (b) that the Heroku team will fix this before it becomes an actual problem. – fearless_fool ...
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C++ preprocessor __VA_ARGS__ number of arguments

... This is actually compiler dependent, and not supported by any standard. Here however you have a macro implementation that does the count: #define PP_NARG(...) \ PP_NARG_(__VA_ARGS__,PP_RSEQ_N()) #define PP_NARG_(...) \ ...
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MVVM in WPF - How to alert ViewModel of changes in Model… or should I?

... RaisePropertyChanged("ViewModelCopyOfSomeProperty"); } But typically this is only needed if more than one object will be making changes to the Model's data, which is not usually the case. If you ever have a case where you don't actually have a reference to your Model property to attach t...
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Complete Working Sample of the Gmail Three-Fragment Animation Scenario?

...at I'll refer to as "the Gmail three-fragment animation" scenario. Specifically, we want to start with two fragments, like this: ...
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Will the base class constructor be automatically called?

... age of customer be 2? It seems like the base class's constructor will be called no matter what. If so, why do we need to call base at the end sometimes? ...
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How do you set the startup page for debugging in an ASP.NET MVC application?

... This works for me under Specific Page for MVC: /Home/Index Update: Currently, I just use a forward slash in the "Specific Page" textbox, and it takes me to the home page as defined in the routing: / ...
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Changing column names of a data frame

...is it so difficult to change the column name if you do not want to use the index number but the old name :( – Arne Mar 18 '14 at 14:41 10 ...
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When would anyone use a union? Is it a remnant from the C-only days?

I have learned but don't really get unions. Every C or C++ text I go through introduces them (sometimes in passing), but they tend to give very few practical examples of why or where to use them. When would unions be useful in a modern (or even legacy) case? My only two guesses would be programming ...
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How to read a single character from the user?

... except ImportError: self.impl = _GetchUnix() def __call__(self): return self.impl() class _GetchUnix: def __init__(self): import tty, sys def __call__(self): import sys, tty, termios fd = sys.stdin.fileno() old_settings = termios.tcge...
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Google Maps: How to create a custom InfoWindow?

...s(); for (var i = 0; i < l.length; i++) { if($(l[i]).css('z-index') == 'auto') { $(l[i]).css('border-radius', '16px 16px 16px 16px'); $(l[i]).css('border', '2px solid red'); } } }); You can do anything like setting a new CSS class or just adding a...