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Undo changes in entity framework entities

....NET entity framework automatically tracks changes (in generated entities) and therefore keeps the original values, how can I rollback changes made to the entity objects? ...
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Sql Server string to date conversion

...lexible, way of taking an arbitrarily structured datetime in string format and converting it to the datetime data type. By "arbitrarily", I mean "a form that the person who wrote it, though perhaps not you or I or someone on the other side of the planet, would consider to be intuitive and completel...
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Generate a random date between two other dates

How would I generate a random date that has to be between two other given dates? 26 Answers ...
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How can I echo HTML in PHP?

... separate from the coding (business logic). It also makes the code cleaner and easier to maintain in the long run. If you have any more questions feel free to leave a comment. Further reading is available on these things in the PHP documentation. NOTE: PHP short tags <? and ?> are discouraged...
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Why are all fields in an interface implicitly static and final?

I am just trying to understand why all fields defined in an Interface are implicitly static and final . The idea of keeping fields static makes sense to me as you can't have objects of an interface but why they are final (implicitly)? ...
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Stop and Start a service via batch or cmd file?

How can I script a bat or cmd to stop and start a service reliably with error checking (or let me know that it wasn't successful for whatever reason)? ...
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Why is it considered a bad practice to omit curly braces? [closed]

...ctually, the only time that's ever really bit me was when I was debugging, and commented out bar(): if(foo) // bar(); doSomethingElse(); Other than that, I tend to use: if(foo) bar(); Which takes care of the above case. EDIT Thanks for clarifying the question, I agree, we should not write c...
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Diff files present in two different directories

...compare all the files present in both the directories using the diff command. Is there a simple command line option to do it, or do I have to write a shell script to get the file listing and then iterate through them? ...
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Sublime Text from Command Line

I installed Sublime Text and wanted to know how to open rb files in it from the terminal. I saw What is the command to make Sublime Text my core editor? and I see that I can make Sublime my core editor, but I want to be able to type ...
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Dump Mongo Collection into JSON format

...) which can dump a collection. This utility uses the native libmongoclient and is likely the fastest method. mongoexport -d <database> -c <collection_name> Also helpful: -o: write the output to file, otherwise standard output is used (docs) --jsonArray: generates a valid json docume...