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How to fix the Hibernate “object references an unsaved transient instance - save the transient insta

...collection mapping. This happens because you have a collection in your entity, and that collection has one or more items which are not present in the database. By specifying the above options you tell hibernate to save them to the database when saving their parent. ...
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What is the overhead of creating a new HttpClient per call in a WebAPI client?

What should be the HttpClient lifetime of a WebAPI client? Is it better to have one instance of the HttpClient for multiple calls? ...
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The following sections have been defined but have not been rendered for the layout page “~/Views/Sha

...C 4 Beta tutorial http://www.asp.net/mvc/tutorials/mvc-4/getting-started-with-aspnet-mvc4/intro-to-aspnet-mvc-4 17 Answers...
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How to set the focus for a particular field in a Bootstrap modal, once it appears

... Try this Here is the old DEMO: EDIT: (Here is a working DEMO with Bootstrap 3 and jQuery 1.8.3) $(document).ready(function() { $('#modal-content').modal('show'); $('#modal-content').on('shown', function() { $("#txtname").focus(); }) }); ...
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No identities are available for signing Xcode 5

I have an error "No identities are available for signing" when try to validate my app in Xcode 5. I tried all: Recreate certificates and provisioning profiles, all methods which have been described on this site and another resources; I'm confused, because when I try to distribute my app as Ad-hoc, i...
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Difference between modes a, a+, w, w+, and r+ in built-in open function?

...defines them as follows: The argument mode points to a string beginning with one of the following sequences (Additional characters may follow these sequences.): ``r'' Open text file for reading. The stream is positioned at the beginning of the file. ``r+'' Open for reading and wr...
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How do I simulate a hover with a touch in touch enabled browsers?

With some HTML like this: 14 Answers 14 ...
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Interface type check with Typescript

This question is the direct analogon to Class type check with TypeScript 16 Answers 1...
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Difference between float and decimal data type

What difference does it make when I use float and decimal data types in MySQL?. 12 Answers ...
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How to implement an abstract class in ruby?

I know there is no concept of abstract class in ruby. But if at all it needs to be implemented, how to go about it? I tried something like... ...