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Convert data.frame columns from factors to characters
...f [] in the second case keeps the data.frame class of the bob object, thereby eliminating the need to convert back to a data.frame using as.data.frame with the argument stringsAsFactors = FALSE.
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Load multiple packages at once
...ife we've given back to them :-) In any event our goal is to push to CRAN by Feb 1
– Tyler Rinker
Jan 12 '14 at 13:44
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Copying files from host to Docker container
... mycontainer is a container ID, not an image ID.
Multiple files contained by the folder src can be copied into the target folder using:
docker cp src/. mycontainer:/target
docker cp mycontainer:/src/. target
Reference: Docker CLI docs for cp
In Docker versions prior to 1.8 it was only possible...
Keyboard shortcuts in WPF
... answered Sep 25 '09 at 19:00
Abby FichtnerAbby Fichtner
2,44622 gold badges1515 silver badges1818 bronze badges
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Is there a shortcut to move between header and source file in VC++?
... other folders, or special naming rules if you have a single header shared by multiple cpp files or similar).
Here's the macro (I'm sure it could be better written; I'm unfamiliar with the VS objects and only realised macros were using .Net about half-way through writing the thing :)):
Sub FileSwi...
Reading my own Jar's Manifest
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can be improved a little bit by removing condition check classPath.replace("org/example/MyClass.class", "META-INF/MANIFEST.MF"
– Jay
Mar 26 '13 at 6:05
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Connect different Windows User in SQL Server Management Studio (2005 or later)
...the command batch as regular user I got the wrong password issue mentioned by some users on previous comments.
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CSS3 Transparency + Gradient
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New syntax has been supported for a while by all modern browsers (starting from Chrome 26, Opera 12.1, IE 10 and Firefox 16): http://caniuse.com/#feat=css-gradients
background: linear-gradient(to bottom, rgba(0, 0, 0, 1), rgba(0, 0, 0, 0));
This renders a gradient...
Looping a video with AVFoundation AVPlayer?
... @KostiaDombrovsky did you compare your playback with snapchat side-by-side? I think because the beginning and the ending frames don't match it seems as if it was paused, but it never pauses.
– Islam Q.
Apr 8 '15 at 9:25
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Just disable scroll not hide it?
...ore adding the 'noscroll' class. Otherwise, the site will also jump pushed by the new non-scrolling scroll bar.
To keep any possible scrollTop so the entire page doesn't go back to the top (like Fabrizio's update, but you need to grab the value before adding the 'noscroll' class)
Not all browsers ha...