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Scala: Abstract types vs generics
...with Martin Odersky, Part III
by Bill Venners and Frank Sommers (May 18, 2009)
Update (October2009): what follows below has actually been illustrated in this new article by Bill Venners:
Abstract Type Members versus Generic Type Parameters in Scala (see summary at the end)
(Here is the relevant...
How to change Android Studio's editor font?
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Does MongoDB's $in clause guarantee order
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Long Press in JavaScript?
... timeout
pressTimer = window.setTimeout(function() { ... Your Code ...},1000);
return false;
});
share
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Mipmap drawables for icons
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+50
There are two distinct uses of mipmaps:
For launcher icons when building density specific APKs. Some developers build separate APKs ...
How to make a smaller RatingBar?
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106
The default RatingBar widget is sorta' lame.
The source makes reference to style "?android:att...
Remove all files except some from a directory
...ful combination find | xargs:
find [path] -type f -not -name 'EXPR' -print0 | xargs -0 rm --
for example, delete all non txt-files in the current directory:
find . -type f -not -name '*txt' -print0 | xargs -0 rm --
The print0 and -0 combination is needed if there are spaces in any of the filen...
Opening a folder in explorer and selecting a file
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50
Use this method:
Process.Start(String, String)
First argument is an application (explorer.exe...
Checking if a list is empty with LINQ
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100
You could do this:
public static Boolean IsEmpty<T>(this IEnumerable<T> source)
{
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WITH CHECK ADD CONSTRAINT followed by CHECK CONSTRAINT vs. ADD CONSTRAINT
I'm looking at the AdventureWorks sample database for SQL Server 2008, and I see in their creation scripts that they tend to use the following:
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