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Understanding Fragment's setRetainInstance(boolean)

... First of all, check out my post on retained Fragments. It might help. Now to answer your questions: Does the fragment also retain its view state, or will this be recreated on configuration change - what exactly is "retained"? Yes, the Fragment's state will be retained across the configura...
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How to restore to a different database in sql server?

...k ago. The backup is done weekly in the scheduler and I get a .bak file. Now I want to fiddle with some data so I need to restore it to a different database - Database2 . ...
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How do I make an HTTP request in Swift?

...l //create the session object let session = URLSession.shared //now create the URLRequest object using the url object let request = URLRequest(url: url) //create dataTask using the session object to send data to the server let task = session.dataTask(with: request as URLRequest,...
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Reference: What is variable scope, which variables are accessible from where and what are “undefined

...rom. It then explicitly returns a value. The caller has the confidence to know what variables the function will work with and where its return values come from: $baz = 'baz'; $blarg = foo($baz); Extending the scope of variables into anonymous functions $foo = 'bar'; $baz = function () use ($f...
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How to upgrade Eclipse for Java EE Developers?

... Nice to know. But is the FAQ really up-to-date? Could user really upgrade 3.7 to 4.3 for example? What about all those plugins, that can break on newer platform? – Paul Verest Jun 28 '13 at 7:14 ...
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Are there disadvantages to using a generic varchar(255) for all text-based fields?

...ng, this can make the temporary table very large. You may also like to know that this "padding out" behavior means that a string declared with the utf8 character set pads out to three bytes per character even for strings you store with single-byte content (e.g. ascii or latin1 characters). And l...
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How to access parameters in a RESTful POST method

...mp;param2=world The content is URL encoded in this case. If you do not know the names of the FormParam's you can do the following: @POST @Consumes("application/x-www-form-urlencoded") @Path("/create") public void create(final MultivaluedMap<String, String> formParams) { ... } HTTP ...
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What is the point of interfaces in PHP?

...ady abstract classes? To prevent multiple inheritance (can cause multiple known problems). One of such problems: The "diamond problem" (sometimes referred to as the "deadly diamond of death") is an ambiguity that arises when two classes B and C inherit from A and class D inherits from both ...
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Why would I ever use push_back instead of emplace_back?

...mplace_back miss the full picture. Last year, I gave a presentation at C++Now on Type Deduction in C++14. I start talking about push_back vs. emplace_back at 13:49, but there is useful information that provides some supporting evidence prior to that. The real primary difference has to do with impl...
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How to pass json POST data to Web API method as an object?

...lue) { return "Hello from http post web api controller: " + value; } Now, fire the following jQuery from your browser console $.ajax({ type: 'POST', url: 'http://localhost:33649/api/TestApi/TestMethod', data: {'':'hello'}, contentType: 'application/x-www-form-urlencoded', ...