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Why are trailing commas allowed in a list?

I am curious why in Python a trailing comma in a list is valid syntax, and it seems that Python simply ignores it: 5 Answer...
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How can I expand the full path of the current file to pass to a command in Vim?

When I go to command mode and type 6 Answers 6 ...
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What's the difference between and

... <?> and <? extends Object> are synonymous, as you'd expect. There are a few cases with generics where extends Object is not actually redundant. For example, <T extends Object & Foo> will cause T to become Object ...
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How can I pass a constant value for 1 binding in multi-binding?

... it is any other primitive data type, you need to define a static resource and reference this. Define the sys namespace in the root of the XAML to point to System in mscorlib, and the following should work: <TextBlock> <TextBlock.Resources> <sys:Int32 x:Key="fixedValue">123...
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Best way to work with transactions in MS SQL Server Management Studio

Let's say I have an SQL statement that's syntactically and semantically correct so it executes. 2 Answers ...
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Comparing Timer with DispatcherTimer

what is a difference between System.Windows.Forms.Timer() and System.Windows.Threading.DispatcherTimer() ? In which cases, we should use them? any best practices ? ...
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How to output messages to the Eclipse console when developing for Android

...int messages (like a flag) to the Eclipse console (or log) when developing and debugging an Android app 5 Answers ...
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git add . vs git commit -a

...ur repository. git add -u stages updates to files in the current directory and below, it's equivalent to git add -u . whereas git commit -a stages and commits changes to all tracked files. share | i...
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MbUnit under Linux, used within an F# project?

...es not read his email very often :-) Seeing as SO has tags for both Gallio and MbUnit, I thought it was worth asking here. ...
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Left align and right align within div in Bootstrap

What are some of the common ways to left align some text and right align some other text within a div container in bootstrap? ...