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How to Deal with Temporary NSManagedObject instances?

...ociatedObject has refs to other unassociated objects, should I insert them one by one or myMOC is smart enough to collect all refs and insert them also? – fspirit Jul 15 '10 at 20:17 ...
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Capitalize first letter. MySQL

Does any one know the equivalent to this TSQL in MySQL parlance? 13 Answers 13 ...
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Timeout for python requests.get entire response

... Yes it is, in some circumstances. One of those circumstances happens to be yours. =) I invite you to look at the code if you're not convinced. – Lukasa Feb 23 '14 at 20:57 ...
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How to run Rails console in the test environment and load test_helper.rb?

...ned as instance methods of ActiveSupport::TestCase. So if you want to call one of them, you need an instance of that class. By trial and error, ActiveSupport::TestCase.new has one required parameter, so...pass it something. If your test_helper has a method called create_user, you could invoke it th...
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Parallel.ForEach vs Task.Factory.StartNew

...irst is a much better option. Parallel.ForEach, internally, uses a Partitioner<T> to distribute your collection into work items. It will not do one task per item, but rather batch this to lower the overhead involved. The second option will schedule a single Task per item in your collection....
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What does it mean when a CSS rule is grayed out in Chrome's element inspector?

...nce Note: Chrome dev tools "style" panel will display a rule set, because one or more rules from the set are being applied to the currently selected DOM node. I guess, for the sake of completeness, dev tools shows all the rules from that set, whether they are applied or not. In the case where a ru...
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Is it good practice to use the xor operator for boolean checks? [closed]

...al to b". (What @RobertGrant said). Most humans would understand the first one easier if they know what xor is (which is pretty useful to know if you're in the field of computing...) – Harold R. Eason Nov 22 '13 at 20:53 ...
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Rails and PostgreSQL: Role postgres does not exist

...issue right on when I first install the Heroku's POSTGRES.app thing. After one morning trial and error i think this one line of code solved problem. As describe earlier, this is because postgresql does not have default role the first time it is set up. And we need to set that. sovanlandy=# CREATE R...
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Refresh Fragment at reload

... @SagarChavada where did you put the code ? You have to put it in a one-time event like when data is refreshed. – Mbengue Assane Jul 10 '16 at 16:41 ...
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Overriding superclass property with different type in Swift

In Swift, can someone explain how to override a property on a superclass's with another object subclassed from the original property? ...