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Hibernate throws org.hibernate.AnnotationException: No identifier specified for entity: com..domain.

... I have to have an @Id field? My view doesn't have, strictly speaking, an ID. – Ramy Dec 7 '10 at 20:41 1 ...
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UIRefreshControl - beginRefreshing not working when UITableViewController is inside UINavigationCont

I've setup a UIRefreshControl in my UITableViewController (which is inside a UINavigationController) and it works as expected (i.e. pull down fires the correct event). However, if I programmatically invoke the beginRefreshing instance method on the refresh control like: ...
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Mvn install or Mvn package

... am new to Maven, I have a Java based web project with maven configured in my MyEclipse. Now if I modified any java files then do I need to do Run as -> Mvn install or Mvn package ? ...
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Java Reflection Performance

...ensitive applications. Here's a simple test I hacked up in 5 minutes on my machine, running Sun JRE 6u10: public class Main { public static void main(String[] args) throws Exception { doRegular(); doReflection(); } public static void doRegular() throws Exception...
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How to import existing Git repository into another?

...f you have a remote, that is I actually just tried this with a couple of my repos and it works. Unlike Jörg's answer it won't let you continue to use the other repo, but I don't think you specified that anyway. Note: Since this was originally written in 2009, git has added the subtree merge ment...
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WPF and initial focus

...g through Reflector to see where the Focusable property is used, and found my way to this solution. I just need to add the following code to my Window's constructor: Loaded += (sender, e) => MoveFocus(new TraversalRequest(FocusNavigationDirection.First)); This will automatically select the...
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Save and load MemoryStream to/from a file

...n't seem to work for me, while WriteTo did. I think perhaps it was because my memoryStream.Position wasn't 0 – Mark Adamson Jul 9 '14 at 14:16 11 ...
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Combine Date and Time columns using python pandas

... a timedelta (and a datetime) in which case you just need to add them, see my answer – toto_tico May 15 '18 at 14:31 W...
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How can you use optional parameters in C#?

... Thanks! This inspired me to write a simple (for my current use case) logging function: public void log (params object[] args){ StringBuilder sb = new StringBuilder(); for (int i = 0; i < args.Length; i++){ sb.Append("{"); sb.Append(i.ToString()); sb.Append("}"...
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How to automatically add user account AND password with a Bash script?

I need to have the ability to create user accounts on my Linux (Fedora 10) and automatically assign a password via a bash script(or otherwise, if need be). ...