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List distinct values in a vector in R
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You can also use the sqldf package in R.
Z <- sqldf('SELECT DISTINCT tablename.columnname FROM tablename ')
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Android: Tabs at the BOTTOM
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You should select this (or something) as the accepted answer.
– JediPotPie
Dec 14 '10 at 17:09
4
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Xcode build failure “Undefined symbols for architecture x86_64”
...uspect are more likely) do not fit your problem try deleting derived data (Select: Window / Projects / Derived Data -> Delete) and re-building.
(Added for reference by others - I know the original question has been answered correctly).
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How can I remove the extension of a filename in a shell script?
...also known as separator) for cutting the string into segments and by -f we select which segment we want to have in output
Then the $() command substitution will get the output and return its value
The returned value will be assigned to the variable named name
Note that this gives the portion of th...
Add st, nd, rd and th (ordinal) suffix to a number
...function ordinal(number) {
const suffix = suffixes[english_ordinal_rules.select(number)];
return (number + suffix);
}
const test = Array(201)
.fill()
.map((_, index) => index - 100)
.map(ordinal)
.join(" ");
console.log(test);
The Intl.PluralRules constructor (Draft ECMA-...
Get position/offset of element relative to a parent container?
...anything since ie9 reached EOL in January 2016, we have a standardised DOM selection in all major browsers, learn pure js. Also opinions about what framework to use have no place on SO, since it heavily depends on the project and target platform.
– Hans Koch
Ma...
No “pull” in Git Gui?
...pstream:short)' $(git symbolic-ref -q HEAD) | tr / " ")
It automatically selects current remote branch.
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How do I remove a file from the FileList
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If you want to delete only several of the selected files: you can't. The File API Working Draft you linked to contains a note:
The HTMLInputElement interface
[HTML5] has a readonly FileList
attribute, […]
[emphasis mine]
Reading a bit of the HTML 5 Work...
Visual Studio Clicking Find Results Opens Code in Wrong Window
...cking the Find Results window using the very bottom of the window position selectors.
The files open in the same position as the Find Results when the window is docked in the positions immediately next to the centre position.
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ImportError: No module named site on Windows
...er (Windows binary -- does not include source) . I then ran the installer, selected 'All Users' and all was fine. I installed Python into the default location:
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