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iPhone viewWillAppear not firing

... If you use a navigation controller and set its delegate, then the view{Will,Did}{Appear,Disappear} methods are not invoked. You need to use the navigation controller delegate methods instead: navigationController:willShowViewController:animated: navigationCo...
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Are HTML Image Maps still used?

...s. An alternative would be to position elements using absolute positioning and CSS but that's not necessarily better. It also doesn't allow you to have shapes like in image maps share | improve this...
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How do you implement a “Did you mean”? [duplicate]

... Actually what Google does is very much non-trivial and also at first counter-intuitive. They don't do anything like check against a dictionary, but rather they make use of statistics to identify "similar" queries that returned more results than your query, the exact algorithm...
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Service vs IntentService in the Android platform

... can be done with an IntentService that cannot be done with a Service (and vice-versa)? 11 Answers ...
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Count(*) vs Count(1) - SQL Server

Just wondering if any of you people use Count(1) over Count(*) and if there is a noticeable difference in performance or if this is just a legacy habit that has been brought forward from days gone past? ...
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How to temporarily exit Vim and go back

How could I exit Vim, not :q , and then go back to continue editing? 10 Answers 10 ...
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Spring Data JPA - “No Property Found for Type” Exception

Well, I searched Google and found many results, but none of them was able to answer my problem. So, here it goes. 17 Answer...
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How to change the value of ${user} variable used in Eclipse templates

...our best bet is to redefine the java user.name variable either at your command line, or using the eclipse.ini file in your eclipse install root directory. This seems to work fine for me: -showsplash org.eclipse.platform --launcher.XXMaxPermSize 256M -vmargs -Dosgi.requiredJavaVersion=1.5 -Duser.name...
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Can hash tables really be O(1)?

... You have two variables here, m and n, where m is the length of the input and n is the number of items in the hash. The O(1) lookup performance claim makes at least two assumptions: Your objects can be equality compared in O(1) time. There will be few ha...
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For a boolean field, what is the naming convention for its getter/setter?

... boolean filed named hasCustomName, Now what should i name for it's getter and setter methods? Is setHasCustomName[setter] and hasCustomName[getter] good? – Hadi Jul 29 '18 at 8:50 ...