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How to get the Power of some Integer in Swift language?

... func p(_ b: Bool) -> Double { return b?-1:1 } ? – Grimxn Sep 23 '16 at 5:50  |  ...
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How to check an Android device is HDPI screen or MDPI screen?

... Density values described at: developer.android.com/guide/practices/screens_support.html – esilver Jan 21 '14 at 21:52 1 ...
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SQL Server - Create a copy of a database table and place it in the same database?

...a table ABC in a database DB. I want to create copies of ABC with names ABC_1, ABC_2, ABC_3 in the same DB. How can I do that using either Management Studio (preferably) or SQL queries ? ...
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What is an undefined reference/unresolved external symbol error and how do I fix it?

...Preprocessing directives are executed, macro invocations are expanded, and _Pragma unary operator expressions are executed. [SNIP] Each source character set member in a character literal or a string literal, as well as each escape sequence and universal-character-name in a character literal or a non...
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Sequence contains no matching element

...'d expect it's this line that's throwing the exception: var documentRow = _dsACL.Documents.First(o => o.ID == id) First() will throw an exception if it can't find any matching elements. Given that you're testing for null immediately afterwards, it sounds like you want FirstOrDefault(), which r...
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Converting a Java collection into a Scala collection

... but you can also avoid using jcl.Buffer: Set(javaApi.query(...).toArray: _*) Note that scala.collection.immutable.Set is made available by default thanks to Predef.scala. share | improve this an...
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How to add an integer to each element in a list?

... new_list = [x+1 for x in my_list] share | improve this answer | follow | ...
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JavaScript open in a new window, not tab

... You don't need to use height, just make sure you use _blank, Without it, it opens in a new tab. For a empty window: window.open('', '_blank', 'toolbar=0,location=0,menubar=0'); For a specific URL: window.open('http://www.google.com', '_blank', 'toolbar=0,location=0,menuba...
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Setting PayPal return URL and making it auto return?

...ine Documentation for IPN: https://developer.paypal.com/docs/classic/ipn/gs_IPN/ The general procedure is that you pass a notify_url parameter with the request, and set up a page which handles and validates IPN notifications, and PayPal will send requests to that page to notify you when payments/re...
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Why does IE9 switch to compatibility mode on my website?

...ility view’ button in that domain before; perhaps also whether this has happened automatically due to some other content on the site causing IE8/9's renderer to crash and fall back to the old renderer; whether the user has opted to put all sites in compatibility view by default; whether IE thinks ...