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How to Deal with Temporary NSManagedObject instances?

...e Apple have updated CoreDataBooks, indeed it still uses two contexts, but now the 2nd context is a child of the first. This technique is discussed (and recommended) in WWDC 2011 presentation 303 (what's new in Core Data in iOS) and is mentioned here (with the much, MUCH, simpler code for merging ch...
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How to deal with “data of class uneval” error from ggplot2?

... not! and yes you will! Glad I could steer you in the right direction and now its here for posterity. – Justin May 10 '13 at 16:39 add a comment  |  ...
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Lisp in the real world

...from anyone who has used Lisp or seen it used in the "real world", or who knows whether it is considered a purely academic language. ...
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How do you close/hide the Android soft keyboard using Java?

...BUT! You are required to have a Context in order to get access to the IMM. Now we have a problem. I may want to hide the keyboard from a static or utility class that has no use or need for any Context. or And FAR worse, the IMM requires that you specify what View (or even worse, what Window) you wa...
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Create objective-c class instance by name?

...less dynamic because I used a symbol instead of a string. However, if you know the class that you want when you are writing the code, then it's preferable to use the symbol so as to avoid possible typos. – Simon Woodside Nov 25 '11 at 19:46 ...
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In Ruby how do I generate a long string of repeated text?

...string replication. When you reverse the expression, we get 999999.*("0"). Now we are talking about the * method in the FixNum class, and that method refuses to take strings as arguments. It certainly could (for example, automatically making a best-effort to convert the argument to a FixNum) but the...
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How to differentiate between time to live and time to idle in ehcache

... Now the behaviour makes sense for me. Thanks for pointing this out, especially the Math.min part. – Prakash K Jul 24 '15 at 10:04 ...
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How do I convert a NSString into a std::string?

...a few weeks I went around to expand my answer. I hope it's more acceptable now. – JustSid Mar 17 '16 at 20:00 @JustSid...
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git rebase: “error: cannot stat 'file': Permission denied”

...the next time. git rebase --abort You can attempt to use git apply and knowledge of what commit git was actually trying to do before doing a git rebase --continue but in all honesty I wouldn't recommend this. Most of the times I've seen this tried there's been a better than evens chance that some...
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How to get ERD diagram for an existing database?

... you are importing to the current model, which is fine since it is empty). Now switch back to the Design tab to see your ERD. share | improve this answer | follow ...