How do I force the screen to stay active and not shut off while my app is running? 3 Answers ...

... Do you know why the leaf classes need to be final? I'd like my concrete classes to be subclassable, but haven't found a way of making the compiler understand the type of B, it always turns out as the base class. – David Ganster Aug 21 '17 at 6:49...

...tings -> About phone -> Status (scroll down). netcfg wasn't found on my install, though ifconfig eth0 did the trick. – Maxim Paperno Apr 12 '18 at 15:03 ...

...in terms of the definition of "resources required to set up an operation". My code doesn't require much setup? – committedandroider Mar 10 '15 at 6:16 ...

...ing to create a clone method then I do implement ICloneable, and I provide my own strong typed version of Clone. The issue with ICloneable is it never indicated if Clone was a shallow or a deep copy which are very different things. The fact that there is no ICloneable<T> might be an indicatio...

...he macro NDEBUG controls whether assert() statements are active or not. In my view, that is separate from any other debugging - so I use something other than NDEBUG to control debugging information in the program. What I use varies, depending on the framework I'm working with; different systems have...

...ird canvas. I had this same problem and none of the solutions here solved my problem. I had one opaque canvas with another transparent canvas above it. The opaque canvas was completely invisible but the background of the page body was visible. The drawings from the transparent canvas on top were vi...

... thanks for answers / but for my purpose(removing system attribute) which one should i use (|= or &=)? – SilverLight Aug 4 '11 at 13:48 ...

... consuming. e.g. I create users to authentication with create() because my authentication engine queries the DB. To check if a model has an attribute the build() method will do because no DB access is required. it{Factory.build(:user).should respond_to(:name)} Update "There is one exception ...

... be useful, but unfortunately I consider Redis multiple database errors my worst decision in Redis design at all... without any kind of real gain, it makes the internals a lot more complex. The reality is that databases don't scale well for a number of reason, like active expire of keys ...