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Computed / calculated / virtual / derived columns in PostgreSQL
...reSQL support computed / calculated columns, like MS SQL Server? I can't find anything in the docs, but as this feature is included in many other DBMSs I thought I might be missing something.
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Does a UNIQUE constraint automatically create an INDEX on the field(s)?
Should I define a separate index on the email column (for searching purposes), or is the index is "automatically" added along with UNIQ_EMAIL_USER constraint?
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Add primary key to existing table
I have an existing table called Persion . In this table I have 5 columns:
10 Answers
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Automapper: Update property values without creating a new object
... automapper to update the properties values of another object without creating a new one?
3 Answers
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Android: set view style programmatically
...LightStyle);
}
}
The one argument constructor is the one used when you instantiate views programmatically.
So chain this constructor to the super that takes a style parameter.
RelativeLayout someLayout = new MyRelativeLayout(new ContextThemeWrapper(this,R.style.RadioButton));
Or as @Dori p...
HTML5 dragleave fired when hovering a child element
The problem I'm having is that the dragleave event of an element is fired when hovering a child element of that element. Also, dragenter is not fired when hovering back the parent element again.
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How to pass parameters in GET requests with jQuery
How should I be passing query string values in a jQuery Ajax request? I currently do them as follows but I'm sure there is a cleaner way that does not require me to encode manually.
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JavaScript file upload size validation
Is there any way to check file size before uploading it using JavaScript?
13 Answers
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How to adjust text font size to fit textview
Is there any way in android to adjust the textsize in a textview to fit the space it occupies?
22 Answers
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How do I replace text inside a div element?
I need to set the text within a DIV element dynamically. What is the best, browser safe approach? I have prototypejs and scriptaculous available.
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