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How to add a button to UINavigationBar?

How to add a button to UINavigationBar programmatically? 7 Answers 7 ...
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ViewPager PagerAdapter not updating the View

...Position(Object object) { return POSITION_NONE; } This way, when you call notifyDataSetChanged(), the view pager will remove all views and reload them all. As so the reload effect is obtained. The second option, suggested by Alvaro Luis Bustamante (previously alvarolb), is to setTag() method ...
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Are parallel calls to send/recv on the same socket valid?

...ations, so assuming you're talking about POSIX send/recv then yes, you can call them simultaneously from multiple threads and things will work. This doesn't necessarily mean that they'll be executed in parallel -- in the case of multiple sends, the second will likely block until the first completes...
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Why is SELECT * considered harmful?

...er. Imagine a query that joins two tables, both of which contain a column called "ID". How would a consumer know which was which? SELECT * can also confuse views (at least in some versions SQL Server) when underlying table structures change -- the view is not rebuilt, and the data which comes bac...
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Why is using the rails default_scope often recommend against?

... default_scope { where(published: true) } belongs_to :user end Calling user.destroy will delete all the posts that are published, but it won't delete posts that are unpublished. Hence the database will throw a foreign key violation because it contains records that reference the user you ...
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prevent refresh of page when button inside form clicked

I have an issue while using buttons inside form. I want that button to call function. It does, but with unwanted result that it refresh the page. ...
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How to parse a JSON string into JsonNode in Jackson?

... Is it possible to take the JsonNode, modify it a bit, and then call mapper.readValue(node, class); and get out a class? – portforwardpodcast Jul 26 '12 at 3:56 1 ...
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Is it safe to resolve a promise multiple times?

...r rejected), that is it for a defered object - it is done. If you should call then(...) on it's promise again, you should immediately get the (first) resolved/rejected result. Additional calls to resolve() will not (should not?) have any effect. Not sure what happens if you attempt to reject a d...
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Why does Environment.Exit() not terminate the program any more?

...ecuting NativeWindow.ForceExitMessageLoop(). Oddly it isn't nested in any call. – Hans Passant Aug 3 '13 at 21:07 @Ha...
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Clicking URLs opens default browser

... @dave-webb please update the sample to not call loadUrl. Everyone reading this - please don't replicate the code (return false from the callback instead of calling view.loadUrl). Calling loadUrl introduces a subtle bug where if you have any iframe within the page wit...