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How to deal with “data of class uneval” error from ggplot2?

...eom you need to use the data= argument. Or put the arguments in the proper order mapping=..., data=.... Take a look at the arguments for ?geom_line. Thus: p + geom_line(data=df.last, aes(HrEnd, MWh, group=factor(Date)), color="red") Or: p + geom_line(aes(HrEnd, MWh, group=factor(Date)), df.la...
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Run git pull over all subdirectories [duplicate]

... replacing 'pull origin master' with fetch origin master:master tells git to explicitly update your 'master' branch with origin's master branch. This will not do a merge, any commits to master will be lost if you do this. – ThorSummoner ...
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Long vs Integer, long vs int, what to use and when?

...t answer the question, which is about the difference between Long and long etc. – GreenAsJade Jan 14 '19 at 9:10 No, i...
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How do I close all open tabs at once?

... can still recover the tabs later if you want. Or convert them to windows, etc. – wisbucky Nov 13 '19 at 0:30 add a comment  |  ...
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git - Your branch is ahead of 'origin/master' by 1 commit

... You cannot push anything that hasn't been committed yet. The order of operations is: Make your change. git add - this stages your changes for committing git commit - this commits your staged changes locally git push - this pushes your committed changes to a remote If you push witho...
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How to explain dependency injection to a 5-year-old? [closed]

... ( like the company list of departments, or the roles each department have etc ) then you'll have a hard time with the visibility of the Department object and to share it through all the network of objects. What the Dependency Injection is all about it to help you to, well, "inject" these dependen...
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How to reverse a string in Go?

... you cannot use len() in Go to find out the length of a string/Array/Slice etc... Here's why? - len() in Go means the size of the input in bytes. It does not correspond to its length. - Not all utf8's runes are of the same size. It can be either 1, 2, 4, or 8. - You should use unicode/ut...
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Good Java graph algorithm library? [closed]

...ncluding several different mechanisms for random graph creation, rewiring, etc. I've also found it to be generally fairly easy to extend and adapt where necessary. share | improve this answer ...
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Get absolute path of initially run script

...nd line, but, a solution should function just as well if run within Apache etc. 15 Answers ...
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How to create a zip archive with PowerShell?

... This should be the accepted answer in order of date posted and precedent. As to your updated comment - there is truly a vast number of ways to do this now. I am faced with needing this functionality and I'm on PowerShell 4 the first thing I found is the native wa...