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mongo group query how to keep fields
...uery, the result shows only the key(s) in arguments. How to keep the first document in each group like mysql query group.
for example:
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Max length UITextField
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Do you just put this code in your view controller class? Or do I have to make connections?
– Isaac Wasserman
Jun 28 '15 at 20:11
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Why I cannot cout a string?
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Above answers are good but If you do not want to add string include, you can use the following
ostream& operator<<(ostream& os, string& msg)
{
os<<msg.c_str();
return os;
}
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PostgreSQL: Drop PostgreSQL database through command line [closed]
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This will restart postgres and disconnect everyone: sudo service postgresql restart Then do a: dropdb -h localhost -p 5432 -U "youruser" "testdb" Notice the "" to make sure special characters go in without a hitch.
– unom
Jun 26 '14 at 6:1...
How to set OnClickListener on a RadioButton in Android?
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yea I would use radiogroup except it doesnt work unless its a direct parent in the xml and I cant keep it as a direct parent since this stupid radiobutton cannot be aligned to center so I had to enclose it in a linearlayout ...
– Jaxx0rr
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What is meant by the term “hook” in programming?
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um ... no. A callback is a callback and has nothing to do with hooks, callbacks are simply USED for the IMPLEMENTATION of hook-methods. Callbacks are pointers (RELJMP) to functions/methods/procedures (CALL), hooks are modifications to running applications.
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What does “@private” mean in Objective-C?
What does @private mean in Objective-C?
3 Answers
3
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How to specify an area name in an action link?
...hich currently specifies the controller and action, but of course the link doesn't work if I'm in the wrong area. I see no overload for actionlink that takes an area parameter, is it possible to do?
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How to set custom header in Volley Request
...e a simple GET request, but I need to pass the custom headers alongwith. I don't see how JsonRequest class supports it. Is it possible at all?
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Choose File Dialog [closed]
Does anyone know of a complete choose file dialog? Maybe one where you can filter out all files except for ones with specific extensions?
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