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Unfortunately MyApp has stopped. How can I solve this?

...on the right), and let the app crash again. I have found the stack trace, now what? Yay! You're halfway to solving your problem. You only need to find out what exactly made your application crash, by analyzing the stack trace. Read up on stack traces in "What is a stack trace, and how can I use i...
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What is the copy-and-swap idiom?

...rray); // (3) } return *this; } And we say we're finished; this now manages an array, without leaks. However, it suffers from three problems, marked sequentially in the code as (n). The first is the self-assignment test. This check serves two purposes: it's an easy way to prevent us fr...
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What is the difference between typeof and instanceof and when should one be used vs. the other?

... instanceof Object returns false, and doesn't throw an exception. I don't know how recent that change is, but it makes instanceof more appealing. – Cypress Frankenfeld Jun 26 '13 at 16:01 ...
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How can one change the timestamp of an old commit in Git?

...ill have to reset and pull, or delete and clone from scratch. As far as I know, there is no method that gets around this. – EriF89 Sep 9 '14 at 9:12 4 ...
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Does Foreign Key improve query performance?

...pretty much useless because it doesn't answer the question. It's great to know that foreign keys are not intended to have a (positive) effect on performance, but the question was concerning reality, not intentions. – John Mar 15 '17 at 16:04 ...
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Move assignment operator and `if (this != &rhs)`

... array of the same size and then deallocate the old one of the same size! Now for your clients who actually want strong exception safety: template <class C> C& strong_assign(C& lhs, C rhs) { swap(lhs, rhs); return lhs; } Or maybe if you want to take advantage of move assign...
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How to Compare Flags in C#?

...itwise AND operation. FlagTest.Flag1 is equivalent to 001 with OP's enum. Now let's say testItem has Flag1 and Flag2 (so it's bitwise 101): 001 &101 ---- 001 == FlagTest.Flag1 share | i...
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What is the difference between include and extend in Ruby?

...class (i.e. the singleton class) e.g. if you call Klazz.extend(Mod), now Klazz has Mod's methods (as class methods) if you call obj.extend(Mod), now obj has Mod's methods (as instance methods), but no other instance of of obj.class has those methods added. extend is a public method include -...
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Generating a UUID in Postgres for Insert statement?

...y run. Then I had to run psql -d dbname -f SHAREDIR/contrib/module.sql and now it works!!! select uuid_generate_v1(); returns 1 now now. Thanks so much! – anon58192932 Sep 29 '12 at 22:13 ...
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iPhone App Minus App Store?

...r AccelerometerGraph.app root@jasoniphone:/Applications/ Let SpringBoard know the new application has been installed: ssh mobile@jasoniphone.local uicache This only has to be done when you add or remove applications. Updated applications just need to be relaunched. To make life easier for y...