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Why can I use a function before it's defined in JavaScript?
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The function declaration is magic and causes its identifier to be bound before anything in its code-block* is executed.
This differs from an assignment with a function expression, which is evaluated in normal top-down order.
If you changed the example to say:
var int...
How to resize superview to fit all subviews with autolayout?
My understanding of autolayout is that it takes the size of superview and base on constrains and intrinsic sizes it calculates positions of subviews.
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How to set default value for form field in Symfony2?
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Can be use during the creation easily with :
->add('myfield', 'text', array(
'label' => 'Field',
'empty_data' => 'Default value'
))
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What is the best algorithm for overriding GetHashCode?
... in a lot of places throughout the .NET base class libraries. Implementing it properly is especially important to find items quickly in a collection or when determining equality.
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What is the 'new' keyword in JavaScript?
The new keyword in JavaScript can be quite confusing when it is first encountered, as people tend to think that JavaScript is not an object-oriented programming language.
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What is Activity.finish() method doing exactly?
... android applications for a while, and followed a lot of posts about activity life cycle, and application's life cycle.
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Why do some claim that Java's implementation of generics is bad?
I've occasionally heard that with generics, Java didn't get it right. (nearest reference, here )
13 Answers
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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
Should I test if something is valid or just try to do it and catch the exception?
8 Answers
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What does -> mean in Python function definitions?
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It's a function annotation.
In more detail, Python 2.x has docstrings, which allow you to attach a metadata string to various types of object. This is amazingly handy, so Python 3 extends the feature by allowing you to attac...
CSS display: inline vs inline-block [duplicate]
...p & bottom
cannot have a width and height set
allow other elements to sit to their left and right.
see very important side notes on this here.
Block elements:
respect all of those
force a line break after the block element
acquires full-width if width not defined
Inline-block elements:
allow...