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How to find patterns across multiple lines using grep?

...er, and those two strings are on different lines in that file. Eg: a file with content: 25 Answers ...
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What is the difference between background and background-color

...ly is a shorthand for background-color background-image background-position background-repeat background-attachment background-clip background-origin background-size Thus, besides the background-color, using the background shorthand you could also add one or more values without repe...
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How to show math equations in general github's markdown(not github's blog)

After investigating, I've found mathjax can do this. But when I write some example in my markdown file, it doesn't show the correct equations: ...
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Set 4 Space Indent in Emacs in Text Mode

I've been unsuccessful in getting Emacs to switch from 8 space tabs to 4 space tabs when pressing the TAB in buffers with the major mode text-mode . I've added the following to my .emacs : ...
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Entity framework self referencing loop detected [duplicate]

I have a strange error. I'm experimenting with a .NET 4.5 Web API, Entity Framework and MS SQL Server. I've already created the database and set up the correct primary and foreign keys and relationships. ...
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How to Store Historical Data

...count of everything updated. FOO_Hist holds the exact same fields as FOO with the exception of an auto-incrementing HIST_ID. Every time FOO is updated, I perform an insert statement into FOO_Hist similar to: insert into FOO_HIST select * from FOO where id = @id . ...
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Loading existing .html file with android WebView

I did try samples, demos from Google codes and other resources with WebView , but when i try to do it in my own code, it doesn't work for me. ...
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Convert Mercurial project to Git [duplicate]

I need to convert a mercurial project to a git project, but I would like to keep the commit history intact. My current solution was to just remove hg related files and then git init && add manually the files I needed, but that would not keep the history. Are there any solutions to this? ...
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JSTL in JSF2 Facelets… makes sense?

I would like to output a bit of Facelets code conditionally. 3 Answers 3 ...
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Read/Write 'Extended' file properties (C#)

I'm trying to find out how to read/write to the extended file properties in C# e.g. Comment, Bit Rate, Date Accessed, Category etc that you can see in Windows explorer. Any ideas how to do this? EDIT: I'll mainly be reading/writing to video files (AVI/DIVX/...) ...