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What's the difference between HEAD^ and HEAD~ in Git?
...f thumb
Use ~ most of the time — to go back a number of generations, usually what you want
Use ^ on merge commits — because they have two or more (immediate) parents
Mnemonics:
Tilde ~ is almost linear in appearance and wants to go backward in a straight line
Caret ^ suggests an interesting s...
How to make execution pause, sleep, wait for X seconds in R?
...ction, but ?sleep references a data set. And ?pause and ?wait don't exist.
2 Answers
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Copy paste text into iOS simulator
...hich apps running on that device (simulator) use via the iOS pup-up select-all/copy/paste UI items.
Completely separate from that: your mac has it's own clipboard and content. The Simulator program running on your mac provides the Edit > Paste Text menu item. The program implements that menu ite...
Copy to clipboard in Node.js?
...le, you would need bindings to Xlib and/or XCB. Xlib bindings for node actually exist: https://github.com/mixu/nwm. Although I'm not sure whether it gives you access to the X clipboard, you might end up writing your own. You'll need separate bindings for windows.
edit: If you want to do something ...
How can I tell if a library was compiled with -g?
...sing a C like syntax. If neither of these formats are found this option falls back on the -W option to print any DWARF information in the file."
– Matt McClellan
Jan 5 '10 at 17:13
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SVG: text inside rect
I want to display some text inside SVG rect . Is it possible?
5 Answers
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Remove grid, background color, and top and right borders from ggplot2
.... The bug mentioned below in the original post remains (I think). But the axis line is drawn under the panel. Therefore, remove both the panel.border and panel.background to see the axis lines.
library(ggplot2)
a <- seq(1,20)
b <- a^0.25
df <- as.data.frame(cbind(a,b))
ggplot(df, aes(x = ...
Cast List to List in .NET 2.0
...new int[] { 1,2,3 } );
List<string> l2 = l1.ConvertAll<string>(x => x.ToString());
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git add only modified changes and ignore untracked files
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Ideally your .gitignore should prevent the untracked ( and ignored )files from being shown in status, added using git add etc. So I would ask you to correct your .gitignore
You can do git add -u so that it will stage the modifi...
Remove a character from the end of a variable
...hich is de facto in linux distribution and in this case users may have installed different external packages which can break the portability
– amenzhinsky
Jul 11 '14 at 8:46
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