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UIScrollView not scrolling
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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 ...
How to Vertical align elements in a div?
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.
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Ship an application with a database
If your application requires a database and it comes with built in data, what is the best way to ship that application? Should I:
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How to get a random number in Ruby
...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...
Android: How to enable/disable option menu item on button click?
I can easily do it when I am using onCreateOptionsMenu or onOptionsItemSelected methods.
12 Answers
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Is it a bad practice to use negative margins in Android?
...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,...
Is 'switch' faster than 'if'?
Is a switch statement actually faster than an if statement?
12 Answers
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How to efficiently count the number of keys/properties of an object in JavaScript?
...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
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How do I start PowerShell from Windows Explorer?
...hell or powershell_ise and press Enter. A PowerShell command window opens with the current directory.
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Is there a documented way to set the iPhone orientation?
...apping the views out I would like to force the rotation to be set to portrait.
17 Answers
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