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SET versus SELECT when assigning variables?
What are the differences between the SET and SELECT statements when assigning variables in T-SQL?
4 Answers
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What does {0} mean when initializing an object?
... object, what does it mean? I can't find any references to {0} anywhere, and because of the curly braces Google searches are not helpful.
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MySQL foreign key constraints, cascade delete
I want to use foreign keys to keep the integrity and avoid orphans (I already use innoDB).
3 Answers
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Make header and footer files to be included in multiple html pages
...d using PHP instead so that you can use simple PHP include object?
If you convert the file names of your .html pages to .php - then at the top of each of your .php pages you can use one line of code to include the content from your header.php
<?php include('header.php'); ?>
Do the same in...
Max length UITextField
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With Swift 5 and iOS 12, try the following implementation of textField(_:shouldChangeCharactersIn:replacementString:) method that is part of the UITextFieldDelegate protocol:
func textField(_ textField: UITextField, shouldChangeCharacter...
Can an ASP.NET MVC controller return an Image?
...image through the controller (http://localhost/MyController/Image/MyImage) and through the direct URL (http://localhost/Images/MyImage.jpg) and the results were:
MVC: 7.6 milliseconds per photo
Direct: 6.7 milliseconds per photo
Note: this is the average time of a request. The average was calcul...
C#: Printing all properties of an object [duplicate]
Is there a method built in to .NET that can write all the properties and such of an object to the console? Could make one using reflection of course, but I'm curious to if this already exists... especially since you can do it in Visual Studio in the Immediate Window. There you can an object name (wh...
Sort objects in ArrayList by date?
...MyObject o) {
return getDateTime().compareTo(o.getDateTime());
}
}
And then you sort it by calling:
Collections.sort(myList);
However sometimes you don't want to change your model, like when you want to sort on several different properties. In that case, you can create comparator on the f...
C++11 emplace_back on vector?
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Yeah, spelling it out helps me understand what you meant! Good point. I agree that sometimes the generalisation is bearable when weighed against the other stuff the STL provides for us: I use that semi-often with pair... but sometimes wonder if I really gain much...
How to throw a C++ exception
I have a very poor understanding of exception handling(i.e., how to customize throw, try, catch statements for my own purposes).
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