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How do I clear/delete the current line in terminal?

If I'm using terminal and typing in a line of text for a command, is there a hotkey or any way to clear/delete that line? 1...
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Why are Oracle table/column/index names limited to 30 characters?

...RRM which is limited to 255 characters, and which most clients use to make errors visible. I suspect increasing the allowable size of constraint names significantly would impact the ability to report on the violations (especially where a constraint violation has been bubbled up through a few layers ...
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How to play a local video with Swift?

... }) } } private func startLoading(){ var error:NSError? guard let asset = urlAsset else {return} let status:AVKeyValueStatus = asset.statusOfValueForKey("tracks", error: &error) if status == AVKeyValueStatus.Loaded { assetDur...
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RESTful Services - WSDL Equivalent

...hand-written docs and manually written APIs, which are labor intensive and error-prone. – Eric Grange Sep 27 '12 at 3:45 1 ...
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Is std::vector copying the objects with a push_back?

...p was passed to the vector. See here: coliru.stacked-crooked.com/a/99d4f04f05e5c7f3 – Karl Nicoll Dec 10 '19 at 10:18 ...
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Scala list concatenation, ::: vs ++

Is there any difference between ::: and ++ for concatenating lists in Scala? 4 Answers ...
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How can I plot with 2 different y-axes?

...# set up some fake test data time <- seq(0,72,12) betagal.abs <- c(0.05,0.18,0.25,0.31,0.32,0.34,0.35) cell.density <- c(0,1000,2000,3000,4000,5000,6000) ## add extra space to right margin of plot within frame par(mar=c(5, 4, 4, 6) + 0.1) ## Plot first set of data and draw its axis plot(t...
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No route matches “/users/sign_out” devise rails 3

... Getting the same error as mmichael. This above test works for me. – rtfminc Jul 3 '11 at 6:42
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pandas resample documentation

...| edited May 31 '19 at 10:05 answered Jun 8 '13 at 16:20 Ma...
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Is volatile expensive?

After reading The JSR-133 Cookbook for Compiler Writers about the implementation of volatile, especially section "Interactions with Atomic Instructions" I assume that reading a volatile variable without updating it needs a LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad ...