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Undo changes in entity framework entities

...text and reload entities. If you want to avoid reloading you must create clones of entities and modify those clones in new object context. If user cancel changes you will still have original entities. share | ...
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Is there a performance gain in using single quotes vs double quotes in ruby?

...ences are probably negligible but is the benchmark in some way wrong? (Someone already highlighted the #{n} would be doing number conversion). Is it not showing the differences in parsing?. – PhilT Nov 20 '12 at 21:20 ...
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How can I deploy/push only a subdirectory of my git repo to Heroku?

...s. This solution works great if you don't care about git logs on Heroku. One can tweak above script in case there are some folders you want to ignore, within the application sub path to be deployed. For example I did not want spec folder on heroku. Example Gist – ch4nd4n ...
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Detect enter press in JTextField

Is it possible to detect when someone presses Enter while typing in a JTextField in java? Without having to create a button and set it as the default. ...
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Android, getting resource ID from string?

I need to pass a resource ID to a method in one of my classes. It needs to use both the id that the reference points to and also it needs the string. How should I best achieve this? ...
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Why does the JavaScript need to start with “;”?

... I am not 100% sure but I am with you on this one, Jerry. – o.k.w Mar 20 '10 at 1:40 add a comment  |  ...
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How to read a file in reverse order?

...erator into memory first and then presenting a new iterator over the first one in reverse. – Matt Joiner Apr 29 '13 at 1:40 3 ...
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When to use @QueryParam vs @PathParam

...ameter it is can be used as a path param and generates 2 separate pages -- one with the email on it, one without it -- but logically that's not the case: it is still the same page with or without certain attributes shown. Hope this helps -- I appreciate the explanation might be a bit fuzzy :) ...
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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?

...y mistake " " for "". This is why it is easier to edit something that someone else has written. Your brain doesn't have preconceived ideas about the text so it is easier to pick out the anonmalies. – tvanfosson Nov 4 '08 at 20:18 ...
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What is the difference between Scrum and Agile Development? [closed]

... Scrum is just one of the many iterative and incremental agile software development methods. You can find here a very detailed description of the process. In the SCRUM methodology, a Sprint is the basic unit of development. Each Sprint s...