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When are C++ macros beneficial? [closed]

...nned by the C++ community. In-lined functions, consts and templates are usually a safer and superior alternative to a #define . ...
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Multiple types were found that match the controller named 'Home'

... I'm not using areas at all. These are two completely unrelated applications residing in separate folder inside an FTP root folder. Maybe my application is looking for MVC controllers everywhere it can and that reach just so happens to extend to the...
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Calling a function of a module by using its name (a string)

What is the best way to go about calling a function given a string with the function's name in a Python program. For example, let's say that I have a module foo , and I have a string whose content is "bar" . What is the best way to call foo.bar() ? ...
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Can you center a Button in RelativeLayout?

... If you have match_parent for your width, it's already centred horizontally. – ataulm Sep 4 '15 at 11:27 add a comment  |  ...
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How can I check if a background image is loaded?

...t it in CSS — so images are start downloading before css file — it's called preloading. – jcubic Feb 20 '11 at 17:05 ...
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Android notification is not showing

... The code won't work without an icon. So, add the setSmallIcon call to the builder chain like this for it to work: .setSmallIcon(R.drawable.icon) Android Oreo (8.0) and above Android 8 introduced a new requirement of setting the channelId property by using a NotificationChannel...
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Didn't Java once have a Pair class? [duplicate]

... There are lots of implementation around here, but all the time something is missing , the Override of equal and hash method. here is a more complete version of this class: /** * Container to ease passing around a tuple of two objects. This object provides a sensible * im...
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Execute code when Django starts ONCE only?

... entirely a separate problem. The idea of special one-time startup before all management commands is hard to understand. You'll have to provide something specific. Perhaps in another question. – S.Lott Feb 13 '12 at 12:49 ...
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Turning a string into a Uri in Android

...ourse if there are any spaces in the string you pass in your app will barf all over the place if you launch an Intent with this Uri. – Christopher Perry Aug 9 '13 at 22:08 add...
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How to write to file in Ruby?

...rs cleaning up outdated questions and answers. Makes for a better site overall. – jdl Oct 11 '12 at 16:43 7 ...