...les: on variables it doesn't instantiate the variable itself, i.e. doesn't allocate any memory. This needs to be done somewhere else. Thus it's important if you want to import the variable from somewhere else. For functions, this only tells the compiler that linkage is extern. As this is the default...

... By default, all your db queries will be logged already in test mode. They'll be in log/test.log. share | improve this answer |...

...tActionBar().hide(); setContentView(R.layout.splash); // be sure you call this AFTER requestFeature This creates the ActionBar and immediately hides it before it had the chance to be displayed. But now there is another problem. After putting windowActionBar="false" in the theme, the Activity...

For all of the different concepts that support access modifiers, such as fields, properties, methods and classes, which access modifiers are implied if not specified? ...

...prevent #container from scaling, this will work even if (or rather especially when) #content forces #container to become longer. Padding-bottom Since it is no longer in the normal flow, padding-bottom of #content now provides the space for the absolute #footer. This padding is inclu...

...are optional while some are mandatory. In my DB I have a table which holds all these values, is it better practice to insert a NULL value or an empty string into the DB columns where the user didn't put any data? ...

... It comes ultimately from mathematics: the summation notation traditionally uses i for the first index, j for the second, and so on. Example (from http://en.wikipedia.org/wiki/Summation): It's also used that way for collections of things, like if you have a bunch of variables x1, x2, ......

... That's really basic stuff: irb(main):002:0> accepted_formats = [".txt", ".pdf"] => [".txt", ".pdf"] irb(main):003:0> File.extname("example.pdf") # get the extension => ".pdf" irb(main):004:0> accepted_formats.include? ...

...om.sun.tools.xjc.maven2:maven-jaxb-plugin, the development is active. Finally, I'm one of the authors :) and I'd say we keep in touch with JAXB developers and users and react to the latests features/requests. And indeed, the plugin #2 isn't very active (dead?). And because I've always be...

My application installs other applications, and it needs to keep track of what applications it has installed. Of course, this could be achieved by simply keeping a list of installed applications. But this should not be necessary! It should be the responsibility of the PackageManager to maintain the ...