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Rails Root directory path?

... | edited Jul 10 '17 at 14:12 thutt 58333 silver badges1515 bronze badges answered Sep 16 '10...
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Can't append element

... 260 I've seen issues where some browsers don't respect some changes when you do them directly (by wh...
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Catch multiple exceptions in one line (except block)

... ArtOfCode 5,50255 gold badges3434 silver badges5050 bronze badges answered Jun 24 '11 at 15:56 mechanical_meatmech...
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What characters are allowed in an email address?

... +100 See RFC 5322: Internet Message Format and, to a lesser extent, RFC 5321: Simple Mail Transfer Protocol. RFC 822 also covers email ad...
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Can you animate a height change on a UITableViewCell when selected?

... | edited Mar 4 '16 at 13:09 Marc 5,01555 gold badges2525 silver badges5050 bronze badges answered Jan 1...
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How to remove a key from a Python dictionary?

... 3072 To delete a key regardless of whether it is in the dictionary, use the two-argument form of di...
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Turn off textarea resizing

... | edited Oct 10 '14 at 16:44 answered Jul 9 '12 at 19:23 ...
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Why doesn't Dijkstra's algorithm work for negative weight edges?

... A / \ / \ / \ 5 2 / \ B--(-10)-->C V={A,B,C} ; E = {(A,C,2), (A,B,5), (B,C,-10)} Dijkstra from A will first develop C, and will later fail to find A->B->C EDIT a bit deeper explanation: Note that this is important, because in each relaxa...
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filter for complete cases in data.frame using dplyr (case-wise deletion)

... answer! – infominer Mar 12 '14 at 20:09 1 Thanks! I added some benchmark results. na.omit() perf...
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What approaches are available to dummy design-time data in WPF?

I am working without expression blend and just using the XAML editor in vs2010. The wisdom of this aside, I am increasingly seeing a need for design-time data binding. For simple cases, the FallbackValue property works very nicely (Textboxes and TextBlocks, etc). But especially when dealing with ...