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What can I do with a moved-from object?

Does the standard define precisely what I can do with an object once it has been moved from? I used to think that all you can do with a moved-from object is do destruct it, but that would not be sufficient. ...
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Mongoose indexing in production code

Per the Mongoose documentation for MongooseJS and MongoDB / Node.js : 3 Answers ...
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How do I add a tool tip to a span element?

In the following code, I want a tool-tip to come up when the user hovers the span, how do I do that? I don't want to use any links. ...
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Getting the thread ID from a thread

In C# when debugging threads for example, you can see each thread's ID. 11 Answers 11 ...
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Can a CSV file have a comment?

Is there any official way to allow a CSV formatted file to allow comments, either on its own line OR at the end of a line? ...
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ArrayList initialization equivalent to array initialization [duplicate]

I am aware that you can initialize an array during instantiation as follows: 8 Answers ...
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What is the use of “assert” in Python?

I have been reading some source code and in several places I have seen the usage of assert . 21 Answers ...
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Python: Tuples/dictionaries as keys, select, sort

Suppose I have quantities of fruits of different colors, e.g., 24 blue bananas, 12 green apples, 0 blue strawberries and so on. I'd like to organize them in a data structure in Python that allows for easy selection and sorting. My idea was to put them into a dictionary with tuples as keys, e.g., ...
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What is the command to truncate a SQL Server log file?

I need to empty an LDF file before sending to a colleague. How do I force SQL Server to truncate the log? 7 Answers ...
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presentViewController and displaying navigation bar

I have a view controller hierarchy and the top-most controller is displayed as a modal and would like to know how to display the navigation bar when using ...