... It's always good to show a complete working code snippet: // in viewDidLoad (if using Autolayout check note below): UIScrollView *myScrollView; UIView *contentView; // scrollview won't scroll unless content size explicitly ...

I have a div with two images and an h1 . All of them need to be vertically aligned within the div, next to each other. 29 ...

It's a sad fact of life on Scala that if you instantiate a List[Int], you can verify that your instance is a List, and you can verify that any individual element of it is an Int, but not that it is a List[Int], as can be easily verified: ...

...six-sided die, you'd use: 1 + rand(6). A roll in craps could be simulated with 2 + rand(6) + rand(6). Finally, if you just need a random float, just call rand with no arguments. As Marc-André Lafortune mentions in his answer below (go upvote it), Ruby 1.9.2 has its own Random class (that M...

I can easily do it when I am using onCreateOptionsMenu or onOptionsItemSelected methods. 12 Answers ...

...r been officially supported and won't be supported by ConstraintLayout. It is easy to work around this limitation though. Add an helper view (height 0dp, width constrained to parent) at the bottom of your base view, at the bottom add the margin you want. Then position your view below this one,...

...at's the fastest way to count the number of keys/properties of an object? It it possible to do this without iterating over the object? i.e. without doing ...

...hell or powershell_ise and press Enter. A PowerShell command window opens with the current directory. share | improve this answer | follow | ...

... Nick Johnson is correct that a an O(n) time complexity algorithm is the best you can do if you have no parent pointers.) For a simple recursive version of that algorithm see the code in Kinding's post which runs in O(n) time. But keep in mind that if your nodes have parent p...

...apping the views out I would like to force the rotation to be set to portrait. 17 Answers ...