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The model used to open the store is incompatible with the one used to create the store

...el select your new version of data model for current data model THAT'S NOT ALL ) You should perform so called "light migration". Go to your AppDelegate and find where the persistentStoreCoordinator is being created Find this line if (![_persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteS...
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What is the Java equivalent of PHP var_dump?

...for free. It is done with convention rather than language constructs. In all data transfer classes (and maybe even in all classes you write...), you should implement a sensible toString method. So here you need to override toString() in your Person class and return the desired state. There are u...
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How do I import CSV file into a MySQL table?

... MySQL table so that I can refactor into a sane format. I created a table called 'CSVImport' that has one field for every column of the CSV file. The CSV contains 99 columns , so this was a hard enough task in itself: ...
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How to Free Inode Usage?

...age is 100% (using df -i command). However after deleting files substantially, the usage remains 100%. 15 Answers ...
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Unix - create path of folders and file

...her/path/here && touch $_/cpredthing.txt. The $_ expands to essentially the "last argument in the last command executed". – Sgnl Apr 19 '16 at 1:37 4 ...
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Doing something before program exit

...t this works great for normal termination of the script, but it won't get called in all cases (e.g. fatal internal errors). share | improve this answer | follow ...
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How to check an Android device is HDPI screen or MDPI screen?

... for nexus 6p i am getting 3.5 , which category will it fall into ? – Manohar Reddy Nov 16 '16 at 6:12 2 ...
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What is the reason why “synchronized” is not allowed in Java 8 interface methods?

...t seem sensible to extend this semantics to default methods as well; after all, they are instance methods with a receiver too. (Note that synchronized methods are entirely a syntactic optimization; they're not needed, they're just more compact than the corresponding synchronized block. There's a r...
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Is it better to use std::memcpy() or std::copy() in terms to performance?

...y. I wrote a C++ SHA-2 implementation. In my test, I hash 5 strings using all four SHA-2 versions (224, 256, 384, 512), and I loop 300 times. I measure times using Boost.timer. That 300 loop counter is enough to completely stabilize my results. I ran the test 5 times each, alternating between the m...
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Authorize a non-admin developer in Xcode / Mac OS

... Finally, I was able to get rid of it using DevToolsSecurity -enable on Terminal. Thanks to @joar_at_work! FYI: I'm on Xcode 4.3, and pressed the disable button when it launched for the first time, don't ask why, just assume my ...