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Why is `[` better than `subset`?

...vars, drop = drop]. The problem is how to get from the unquoted subset and select arguments to something that you can validly pass to [.data.frame. – joran Oct 2 '17 at 21:33 ...
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Why can't R's ifelse statements return vectors?

...urns a value with the same shape as test which is filled with elements selected from either yes or no depending on whether the element of test is TRUE or FALSE. Since you are passing test values of length 1, you are getting results of length 1. If you pass longer test vectors, you will get...
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Changing java platform on which netbeans runs

...n project and choosing Properties->Sources and set Source/Binary format select JDK7 among options. – Arthur Kushman Feb 8 '14 at 20:39 ...
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How to view file diff in git before commit

... check out git add -p. Review every change, selectively approve changes to stage, abort at any time if you change your mind, and even inline edit a chunk. I never git add without it. – Kyle Baker May 16 '17 at 4:22 ...
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I can not find my.cnf on my windows computer [duplicate]

...ces.msc, Enter You should find an entry like 'MySQL56', right click on it, select properties You should see something like "D:/Program Files/MySQL/MySQL Server 5.6/bin\mysqld" --defaults-file="D:\ProgramData\MySQL\MySQL Server 5.6\my.ini" MySQL56 Full answer here: https://stackoverflow.com/a/20136...
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How to get current language code with Swift?

...u want to get the type en-En, you can use Locale.preferredLanguages[0] 2) Select Project(MyApp)->Project (not Target)-> press + button into Localizations, then add language which you want. share | ...
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Duplicate AssemblyVersion Attribute

....cs can now be set on the project itself. Open the project properties and select the Package tab to see the new settings. The Eric L. Anderson's post "Duplicate ‘System.Reflection.AssemblyCompanyAttribute’ attribute" describes 3 options : remove the conflicting items from the AssemblyIn...
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How can I list all collections in the MongoDB shell?

... > show collections will list all the collections in the currently selected DB, as stated in the command line help (help). share | improve this answer | follow ...
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set date in input type date

...lue as: $('#datePicker').val(dateToInput(new Date())); And retrieve the selected value like so const dateVal = inputToDate($('#datePicker').val()) share | improve this answer
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Reset/remove CSS styles for element only

...ion: unset; user-focus: unset; user-input: unset; user-modify: unset; user-select: unset; vector-effect: unset; vertical-align: unset; visibility: unset; white-space: unset; width: unset; will-change: unset; window-dragging: unset; word-break: unset; word-spacing: unset; word-wrap: unset; writing-mo...