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Oracle: how to UPSERT (update or insert into a table?)

...swered Oct 27 '08 at 11:12 Tony AndrewsTony Andrews 119k1919 gold badges207207 silver badges246246 bronze badges ...
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How to check if an element is in an array

...y? Xcode does not have any suggestions for contain , include , or has , and a quick search through the book turned up nothing. Any idea how to check for this? I know that there is a method find that returns the index number, but is there a method that returns a boolean like ruby's #include? ? ...
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How can i query for null values in entity framework?

...If this bug has affected you too, please visit the bug report on UserVoice and let Microsoft know that this bug has affected you as well. Edit: This bug is being fixed in EF 4.5! Thanks everyone for upvoting this bug! For backwards compatibility, it will be opt-in - you need manually enable a s...
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What is the Java equivalent for LINQ? [closed]

...what makes LINQ sooo nice is how deeply it is integrated into the language and compiler – AgileJon Aug 1 '09 at 18:59 11 ...
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Do sessions really violate RESTfulness?

...client to server must contain all of the information necessary to understand the request, and cannot take advantage of any stored context on the server. Session state is therefore kept entirely on the client. according to the Fielding dissertation. So server side sessions violate the state...
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How to use JavaScript source maps (.map files)?

...js.map extension shipped with some JavaScript libraries (like Angular ), and that just raised few questions in my head: 5...
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How do I move a redis database from one server to another?

I currently have a live redis server running on a cloud instance and I want to migrate this redis server to a new cloud instance and use that instance as my new redis server. If it were MySQL, I would export the DB from the old server and import it into the new server. How should I do this with redi...
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Deleting Row in SQLite in Android

This might be a dumb question, but I'm new to SQLite and I can't seem to figure this out. I have 1 table that has columns KEY_ROWID , KEY_NAME , KAY_LATITUDE , and KEY_LONGITUDE . I want the user to be able to select one and delete it; Can anyone give me a direction to start in? My question i...
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Activity transition in Android

How can I define the transition between two activities for Android 1.5 and later? I would like an activity to fade in. 14 ...
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See what process is using a file in Mac OS X

I would like to be able to track a file and see which process is touching that file. Is that possible? I know that I can see the list of open processes in activity monitor but I think it's happening to quickly for me to see it. The reason for this is I'm using a framework and I think the system v...