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C++: variable 'std::ifstream ifs' has initializer but incomplete type
...ut( ifstream & inputChannel );
It understands the class exists, and can send pointers and references through code without being able to create the class, see any data within the class, or call any methods of the class.
The has initializer seems a bit extraneous, but is saying that the incomp...
MySQL Select minimum/maximum among two (or more) given values
...
You can use LEAST and GREATEST function to achieve it.
SELECT
GREATEST(A.date0, B.date0) AS date0,
LEAST(A.date1, B.date1) AS date1
FROM A, B
WHERE B.x = A.x
Both are described here http://dev.mysql.com/doc/refman/5.0/...
How do I explicitly specify a Model's table-name mapping in Rails?
I have a Model class called Countries and I want it to map to a DB table called 'cc'.
2 Answers
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What does upstream mean in nginx?
...8003;
}
server {
listen 80;
server_name www.domain.com;
location / {
proxy_pass http://myproject;
}
}
}
This means all requests for / go to the any of the servers listed under upstream XXX, with a preference for port 8000.
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Which is better, return “ModelAndView” or “String” on spring3 controller
...ectly valid. Which one you choose to use depends which one suits your application better - Spring allows you to do it either way.
Historically, the two approaches come from different versions of Spring. The ModelAndView approach was the primary way of returning both model and view information from ...
Linq to Objects: does GroupBy preserve order of elements?
...ing things not well ordered it may be interested to note that it's not the case for PLINQ unless explicitely requested.
– Ronan Thibaudau
Feb 22 '17 at 9:49
8
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How do I apply a style to all buttons of an Android application
I have a style applied to my whole application:
1 Answer
1
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Unpack a list in Python?
I think 'unpack' might be the wrong vocabulary here - apologies because I'm sure this is a duplicate question.
3 Answers
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Get value from NSTextField
...delegate of the NSTextField
[myTextField setDelegate:myObject]
Now, you can find out when something happens in the textfield by implementing methods in MyObject like:
-(void)controlTextDidEndEditing:(NSNotification *)aNotification;
-(void)controlTextDidChange:(NSNotification *)aNotification;
-(v...
Objective-C Split()?
...
and arrayOfComponents will contain @[@"one", @"two", @"three"]
and you can access each with NSString *comp1 = arrayOfComponents[0];
(https://developer.apple.com/documentation/foundation/nsstring/1413214-componentsseparatedbystring)
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