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What does auto&& tell us?
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By using auto&& var = <initializer> you are saying: I will accept any initializer regardless of whether it is an lvalue or rvalue expression and I will preserve its constness. This is typically used for forwarding (usually with T&&). The r...
Reset CSS display property to default value
Is it possible to override the display property with its default value? For example if I have set it to none in one style, and I want to override it in a different with its default.
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Scrolling a flexbox with overflowing content
...kins (author of the flexbox spec) about this, and this is what we came up with:
HTML:
<div class="content">
<div class="box">
<div class="column">Column 1</div>
<div class="column">Column 2</div>
<div class="column">Column 3<...
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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What are allowed characters in cookies?
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this one's a quickie:
You might think it should be, but really it's not at all!
What are the allowed characters in both cookie name and value?
According to the ancient Netscape cookie_spec the entire NAME=VALUE string is:
a sequence of characters exclud...
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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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...
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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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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