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Validate phone number with JavaScript

...alidates that the phone number is in one of these formats: (123) 456-7890 or 123-456-7890 26 Answers ...
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Understanding how recursive functions work

... 107 I think the confusion is stemming from thinking of it as "the same function" being called many ...
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Razor-based view doesn't see referenced assemblies

... 107 There is a new configuration section that is used to reference namespaces for Razor views. Ope...
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Why does this go into an infinite loop?

... +500 Note: Originally I posted C# code in this answer for purposes of illustration, since C# allows you to pass int parameters by referenc...
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How can I scale an image in a CSS sprite

... not all http://caniuse.com/#search=background-size) background-size : 150% 150%; Or You can use a combo of zoom for webkit/ie and transform:scale for Firefox(-moz-) and Opera(-o-) for cross-browser desktop & mobile [class^="icon-"]{ display: inline-block; background: url('../img/...
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How do I use arrays in C++?

... 305 Arrays on the type level An array type is denoted as T[n] where T is the element type and n is...
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Cost of exception handlers in Python

...e just tried the following: import timeit statements=["""\ try: b = 10/a except ZeroDivisionError: pass""", """\ if a: b = 10/a""", "b = 10/a"] for a in (1,0): for s in statements: t = timeit.Timer(stmt=s, setup='a={}'.format(a)) print("a = {}\n{}".format(a,s)) ...
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Center content of UIScrollView when smaller

...mage is smaller than scrollview then adjust subview.center else center is (0,0). - (void)scrollViewDidZoom:(UIScrollView *)scrollView { UIView *subView = [scrollView.subviews objectAtIndex:0]; CGFloat offsetX = MAX((scrollView.bounds.size.width - scrollView.contentSize.width) * 0.5, 0.0);...
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MySQL IF NOT NULL, then display 1, else display 0

... Instead of COALESCE(a.addressid,0) AS addressexists, use CASE: CASE WHEN a.addressid IS NOT NULL THEN 1 ELSE 0 END AS addressexists or the simpler: (a.addressid IS NOT NULL) AS addressexists This works because TRUE is displayed as 1 in ...
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C# how to create a Guid value?

... answered Feb 26 '10 at 19:02 DavidDavid 10.6k11 gold badge1919 silver badges1717 bronze badges ...