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How to implement a property in an interface

... – Vitaliy Liptchinsky Oct 20 '09 at 19:32 add a comment  |  ...
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open read and close a file in 1 line of code

... You don't really have to close it - Python will do it automatically either during garbage collection or at program exit. But as @delnan noted, it's better practice to explicitly close it for various reasons. So, what you can do to keep ...
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What are the main performance differences between varchar and nvarchar SQL Server data types?

I'm working on a database for a small web app at my school using SQL Server 2005 . I see a couple of schools of thought on the issue of varchar vs nvarchar : ...
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Adding a new value to an existing ENUM Type

... It's worth mentioning that this can all be done in a single transaction, so it's mostly safe to do it in a production database. – David Leppik Jul 8 '11 at 20:41 ...
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TimeStamp on file name using PowerShell

...will want. – mwfearnley Apr 9 at 10:32 add a comment  |  ...
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How can I split a shell command over multiple lines when using an IF statement?

...d from the comments: the line-continuation backslash in the shell is not really a special case; it is simply an instance of the general rule that a backslash "quotes" the immediately-following character, preventing any special treatment it would normally be subject to. In this case, the next charact...
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Performance difference between IIf() and If

..."Hello") ' Usage 2 Dim foo = If(result, "Alternative") The first is basically C#'s ternary conditional operator and the second is its coalesce operator (return result unless it’s Nothing, in which case return "Alternative"). If has thus replaced IIf and the latter is obsolete. Like in C#, VB's ...
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How to convert a Java 8 Stream to an Array?

What is the easiest/shortest way to convert a Java 8 Stream into an array? 10 Answers ...
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Named regular expression group “(?Pregexp)”: what does “P” stand for?

In Python, the (?P<group_name>…) syntax allows one to refer to the matched string through its name: 3 Answers ...
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How to calculate the bounding box for a given lat/lng location?

... I suggest to approximate locally the Earth surface as a sphere with radius given by the WGS84 ellipsoid at the given latitude. I suspect that the exact computation of latMin and latMax would require elliptic functions and would not yield an appreciable ...