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Will HTML5 allow web apps to make peer-to-peer HTTP connections?

...stead of intelligent guesses, here is an informed answer: HTML 5 plans to allow peer to peer connections from javascript, but these connections WILL NOT BE RAW TCP. The complete spec can be found at http://dev.w3.org/html5/websockets/ jrh EDIT: with specific reference to peer to peer connections...
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Nearest neighbors in high-dimensional data?

...ted in Approximate Nearest Neighbor (ANN) algorithms. The idea is that you allow the algorithm to return sufficiently near neighbors (perhaps not the nearest neighbor); in doing so, you reduce complexity. You mentioned the kd-tree; that is one example. But as you said, kd-tree works poorly in high d...
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Does every Javascript function have to return a value?

...ow level, the return is translated into some sort of jump. If a function really returned nothing at all, there would be no way of knowing what and when to call the next function, or to call event handlers and the like. So to recap: No, a JS function needn't return anything as far as your code goes....
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What is the shortcut to Auto import all in Android Studio?

... and make the following changes: change Insert imports on paste value to All markAdd unambigious imports on the fly option as checked On a Mac, do the same thing in Android Studio -> Preferences After this, all unambiguous imports will be added automatically. ...
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Set a cookie to never expire

... All cookies expire as per the cookie specification, so this is not a PHP limitation. Use a far future date. For example, set a cookie that expires in ten years: setcookie( "CookieName", "CookieValue", time() + (10 * 3...
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How to set HTTP header to UTF-8 using PHP which is valid in W3C validator?

...HTTP header: header('Content-Type: text/html; charset=utf-8'); Note to call this function before any output has been sent to the client. Otherwise the header has been sent too and you obviously can’t change it any more. You can check that with headers_sent. See the manual page of header for mor...
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How to copy a local Git branch to a remote repo

... otherwise specified. This is already done for you when you use git clone, allowing you to use git push without any arguments to push the local master branch to update the origin repository’s master branch. git config branch.<name>.remote <remote> can be used to specify this manually...
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mkdir's “-p” option

...p created both, hello and goodbye This means that the command will create all the directories necessaries to fulfill your request, not returning any error in case that directory exists. About rlidwka, Google has a very good memory for acronyms :). My search returned this for example: http://www.cs...
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SELECT * FROM X WHERE id IN (…) with Dapper ORM

... Directly from the GitHub project homepage: Dapper allow you to pass in IEnumerable and will automatically parameterize your query. connection.Query<int>( @"select * from (select 1 as Id union all select 2 union all select 3) as X where Id in @Ids", ...
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What are the pros and cons of the leading Java HTML parsers? [closed]

... General Almost all known HTML parsers implements the W3C DOM API (part of the JAXP API, Java API for XML processing) and gives you a org.w3c.dom.Document back which is ready for direct use by JAXP API. The major differences are usually to b...