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Immutability of Strings in Java
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319
str is not an object, it's a reference to an object. "Hello" and "Help!" are two distinct Strin...
Is there a way to override class variables in Java?
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17 Answers
17
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Send and receive messages through NSNotificationCenter in Objective-C?
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1023
@implementation TestClass
- (void) dealloc
{
// If you don't remove yourself as an obser...
How to edit a JavaScript alert box title?
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11 Answers
11
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How do I test a camera in the iPhone simulator?
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140
There are a number of device specific features that you have to test on the device, but it's n...
How do you divide each element in a list by an int?
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The idiomatic way would be to use list comprehension:
myList = [10,20,30,40,50,60,70,80,90]
myInt = 10
newList = [x / myInt for x in myList]
or, if you need to maintain the reference to the original list:
myList[:] = [x / myInt for x in myList]
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What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Apr 26 '12 at 15:49
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How to Empty Caches and Clean All Targets Xcode 4 and later
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12 Answers
12
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Should I use a class or dictionary?
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edited Aug 24 '19 at 22:28
Jean-François Fabre♦
122k1111 gold badges9797 silver badges156156 bronze badges
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Working with select using AngularJS's ng-options
...p.controller('MainCtrl', function($scope) {
$scope.items = [
{ id: 1, name: 'foo' },
{ id: 2, name: 'bar' },
{ id: 3, name: 'blah' }
];
});
<div ng-controller="MainCtrl">
<select ng-model="selectedItem" ng-options="item as item.name for item in items"></selec...