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C++: variable 'std::ifstream ifs' has initializer but incomplete type
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107
This seems to be answered - #include <fstream>.
The message means :-
incomplete type - ...
MySQL Select minimum/maximum among two (or more) given values
... 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/en/comparison-operators.html
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Scala equivalent of Java java.lang.Class Object
... type erasure on the JVM, in the case of getClass.
scala> classOf[C]
res0: java.lang.Class[C] = class C
scala> c.getClass
res1: java.lang.Class[_] = class C
That is why the following will not work:
val xClass: Class[X] = new X().getClass //it returns Class[_], nor Class[X]
val integerClass:...
Doing something before program exit
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answered Oct 3 '10 at 15:04
Brent Writes CodeBrent Writes Code
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'No Transport' Error w/ jQuery ajax call in IE
...spent to understand, I finally found this:
http://bugs.jquery.com/ticket/10660
The Solution is simple, just set this:
$.support.cors = true;
and Ajax cross domain requests will work!
share
|
im...
How to calculate the number of days between two dates? [duplicate]
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const oneDay = 24 * 60 * 60 * 1000; // hours*minutes*seconds*milliseconds
const firstDate = new Date(2008, 1, 12);
const secondDate = new Date(2008, 1, 22);
const diffDays = Math.round(Math.abs((firstDate - secondDate) / oneDay));
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How do I explicitly specify a Model's table-name mapping in Rails?
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ZabbaZabba
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What is the default scope of a method in Java?
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edited Mar 28 '12 at 19:09
answered Apr 3 '09 at 17:01
Es...
How to create full compressed tar file using Python?
... ventaquil
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answered Jun 13 '13 at 6:58
George V. ReillyGeorge V. Reilly
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Why do results vary based on curly brace placement?
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answered Sep 4 '10 at 8:50
ResiduumResiduum
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