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What does Em>xm>pression.Quote() do that Em>xm>pression.Constant() can’t already do?

Note: I am aware of the earlier question “What is the purpose of LINQ's Em>xm>pression.Quote method?” , but if you read on you will see that it doesn’t answer my question. ...
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How to show all privileges from a user in oracle?

Can someone please tell me how to show all privileges/rules from a specific user in the sql-console? 6 Answers ...
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Does setting Java objects to null do anything anymore?

I was browsing some old books and found a copy of "Practical Java" by Peter Hagger. In the performance section, there is a recommendation to set object references to null when no longer needed. ...
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How can I efficiently select a Standard Library container in C++11?

There's a well known image (cheat sheet) called "C++ Container choice". It's a flow chart to choose the best container for the wanted usage. ...
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Why do I need Transaction in Hibernate for read-only operations?

... You might actually have reasons to mark transactions as read-only. Transactions for reading might look indeed strange and often people don't mark methods for transactions in this case. But JDBC will create transaction anyway, i...
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Memory management in Qt?

I'm quite new to Qt and am wondering on some basic stuff with memory management and the life of objects. When do I need to delete and/or destroy my objects? Is any of this handled automatically? ...
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What are fim>xm>tures in programming?

I have heard of this term many times (in the contem>xm>t of programming) but couldn't find any em>xm>planation of what it meant. Any good articles or em>xm>planations? ...
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bash HISTSIZE vs. HISTFILESIZE?

... Short answer: HISTSIZE is the number of lines or commands that are stored in memory in a history list while your bash session is ongoing. HISTFILESIZE is the number of lines or commands that (a) are allowed in the history file at startup time of a session,...
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Override devise registrations controller

I have added a field to the sign-up form that is based on a different model, see How do I use nested attributes with the devise model for the gory details. This part is working fine. ...
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What's “requestCode” used for on PendingIntent?

... requestCode is used to retrieve the same pending intent instance later on (for cancelling, etc). Yes, my guess is the alarms will override each other. I would keep the request codes unique. ...