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Hibernate Error: org.hibernate.NonUniqueObjectException: a different object with the same identifier

...e with 10 rows based on a primary key combination (column 1 and column 2). Now, you have removed 5 rows from the table at some point of time. Now, if you try to add the same 10 rows again, while hibernate tries to persist the objects in database, 5 rows which were already removed will be added witho...
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Xcode can only refactor C and Objective-C code. How to rename swift class name in Xcode 6?

...get a crash. This is because our storyboard file hasn’t been updated to know about the new class! So open up the Main.storyboard, select your ‘View Controller’ object in the scene (the left-hand side nav), and then select the Identity Inspector (right-hand side, third button.) From here let’...
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Renew Provisioning Profile

... I don't know what fixed it for me, but yes. I think I upgraded xCode or something. Sorry I can't be more precise... – Tony Adams Feb 29 '12 at 4:33 ...
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Add st, nd, rd and th (ordinal) suffix to a number

...eger − 10 mod 100, mapping 10 to 0, ... 99 to 89, 0 to 90, ..., 9 to 99. Now the integers ending in 11, 12, 13 are at the lower end (mapped to 1, 2, 3). - 10: Now 10 is mapped to −10, 19 to −1, 99 to 79, 0 to 80, ... 9 to 89. The integers ending in 11, 12, 13 are mapped to negative integers (...
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Asynchronous method call in Python?

...the execution in some queue, or/and call a callback. Otherwise you do not know when it's done (if at all). – Drakosha Jun 5 '14 at 22:10 1 ...
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Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V

... There's a dynamic programming solution. We start off knowing 0 keys can make us 0 A's. Then we iterate through for i up to n, doing two things: pressing A once and pressing select all + copy followed by paste j times (actually j-i-1 below; note the trick here: the contents are s...
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Updating address bar with new URL without hash or reloading the page

... You can now do this in most "modern" browsers! Here is the original article I read (posted July 10, 2010): HTML5: Changing the browser-URL without refreshing page. For a more in-depth look into pushState/replaceState/popstate (aka ...
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Convert list to array in Java [duplicate]

...; list.size(); i++) array[i] = list.get(i); Update: It is recommended now to use list.toArray(new Foo[0]);, not list.toArray(new Foo[list.size()]);. From JetBrains Intellij Idea inspection: There are two styles to convert a collection to an array: either using a pre-sized array (like c.t...
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Timer function to provide time in nano seconds using C++

...e QueryPerformanceCounter. And here is more on QPC Apparently there is a known issue with QPC on some chipsets, so you may want to make sure you do not have those chipset. Additionally some dual core AMDs may also cause a problem. See the second post by sebbbi, where he states: QueryPerformance...
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Turn a simple socket into an SSL socket

...); } void ShutdownSSL() { SSL_shutdown(cSSL); SSL_free(cSSL); } Now for the bulk of the functionality. You may want to add a while loop on connections. int sockfd, newsockfd; SSL_CTX *sslctx; SSL *cSSL; InitializeSSL(); sockfd = socket(AF_INET, SOCK_STREAM, 0); if (sockfd< 0) { /...