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What are the differences between poll and select?

I am referring to the POSIX standard select and poll system C API calls. 3 Answers ...
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How to get mouse position in jQuery without mouse-events?

... if (currentMousePos.x < 10) { // .... } }); But almost all code, other than setTimeout code and such, runs in response to an event, and most events provide the mouse position. So your code that needs to know where the mouse is probably already has access to that information... ...
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What are the differences between concepts and template constraints?

...To quickly summarise their meanings: Constraint - A predicate over statically evaluable properties of a type. Purely syntactic requirements. Not a domain abstraction. Axioms - Semantic requirements of types that are assumed to be true. Not statically checked. Concepts - General, abstract requireme...
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Are there any style options for the HTML5 Date picker?

I am really stoked about the HTML5 date picker. It is refreshing to know that the W3C is finally picking up some of the slack so we don't have to keep re-inventing such a common form of input. ...
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Remove whitespaces inside a string in javascript

... For space-character removal use "hello world".replace(/\s/g, ""); for all white space use the suggestion by Rocket in the comments below! share | improve this answer | f...
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In JavaScript, does it make a difference if I call a function with parentheses?

I noticed a difference when calling a function with empty parentheses, or without any parentheses at all. However, I am not passing any arguments to the function so I wondered, what would be the difference between: ...
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ASP.NET MVC Controller Naming Pluralization

...orks use plurals, however the MVC project templates contains a controller called AccountController thus suggesting singlular naming. It doesn't matter. As with most things in the Asp.net MVC framework the choice is yours. There is no real conventions. It's my personal opinion but what matters is t...
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The Concept of 'Hold space' and 'Pattern space' in sed

... line. So what happens is this: first line is read and inserted automatically into the pattern space on the first line, first command is not executed; h copies the first line into the hold space. now the second line replaces whatever was in the pattern space on the second line, first we execute G,...
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Margin-Top not working for span element?

...Unlike div, p 1 which are Block Level elements which can take up margin on all sides,span2 cannot as it's an Inline element which takes up margins horizontally only. From the specification: Margin properties specify the width of the margin area of a box. The 'margin' shorthand property sets t...
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What Does Question Mark Mean in Xcode Project Navigator?

... the file and goto Source Control->Add. This will turn ? to A. So, basically: ? means not part of source control. A means added to source control, but not modified. M means it is added to source control and is modified. – Farhan Hafeez Feb 13 '13 at 6:44 ...