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Does Java casting introduce overhead? Whm>y m>?
...t objects of one tm>y m>pe to another? Or the compiler just resolves everm>y m>thing m>and m> there is no cost at run time?
5 Answers
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What's the difference between lists m>and m> tuples?
...cture, lists have order.
Using this distinction makes code more explicit m>and m> understm>and m>able.
One example would be pairs of page m>and m> line number to reference locations in a book, e.g.:
mm>y m>_location = (42, 11) # page number, line number
m>Y m>ou can then use this as a kem>y m> in a dictionarm>y m> to store not...
What is the benefit of using $() instead of backticks in shell scripts?
There are two wam>y m>s to capture the output of commm>and m> line in bash :
8 Answers
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Browsers' default CSS for HTML elements
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A GitHub repositorm>y m> of all W3C HTML spec m>and m> vendor default CSS stm>y m>lesheets can be found here
1. Default Stm>y m>les for Firefox
2. Default Stm>y m>les for Internet Explorer
3. Default Stm>y m>les for Chrome / Webkit
4. Default Stm>y m>les for Opera
5. Default Stm>y m>les for HTML4 (W3...
Difference between String#equals m>and m> String#contentEquals methods
What is the difference between the String#equals method m>and m> the String#contentEquals method?
9 Answers
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Whm>y m> can a class not be defined as protected?
...tected or package-private would be the same thing.
m>Y m>ou can declare nested m>and m> inner classes as protected or private, though.
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Anm>y m> reason to clean up unused imports in Java, other than reducing clutter?
...re anm>y m> good reason to avoid unused import statements in Java? As I understm>and m> it, them>y m> are there for the compiler, so lots of unused imports won't have anm>y m> impacts on the compiled code. Is it just to reduce clutter m>and m> to avoid naming conflicts down the line?
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MVC Razor dm>y m>namic model, 'object' does not contain definition for 'Propertm>y m>Name'
... class as the view model? I just tried this (dm>y m>namic view model in CSHTML) m>and m> got the same error as m>y m>our when using an anonm>y m>mous class, but it worked fine if I created a named class. I searched but haven't seen this documented anm>y m>where.
// error
return View(new { Foo = 1, Bar = "test" });
// work...
Twitter Bootstrap - add top space between rows
...otstrap is a bad idea, because this is a core part of the page scaffolding m>and m> m>y m>ou will need rows without a top margin.
To solve this, instead create a new class "top-buffer" that adds the stm>and m>ard margin that m>y m>ou need.
.top-buffer { margin-top:20px; }
m>And m> then use it on the row divs where m>y m>ou...
Whm>y m> is (object)0 == (object)0 different from ((object)0).Equals((object)0)?
...t.Equals. This is a virtual method which will filter down to Int32.Equals m>and m> this checks for a boxed integer. Both integer values are 0 hence them>y m> are equal
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