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Convert data.frame column to a vector?

... This is particularly good to know because the df$x syntax returns a vector. I used this syntax for a long time, but when I had to start using df['name'] or df[n] to retrieve columns, I hit problems when I tried to send them to functions that expected vect...
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Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]

...s even if the set is empty, so the function is never applied! As far as I know there is no other collection framework with an equivalent functionality. Yet from a user perspective this is how things are supposed to work. The problem we have is that all the clever technology that makes this happen l...
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How to generate .json file with PHP?

... allthough this is great maybe because I'm using PHP 5 now and it wasn't available at the time this answer was posted but you can get rid of the $result= line and inside your while loop just make the mysql_feth_array($sql) – user3125900 Feb ...
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ls command: how can I get a recursive full-path listing, one line per file?

... @dreftymac, i'll be glad to change my vote, but it is now locked, you need to edit the question so i can update the vote – lurscher Apr 15 '13 at 20:10 8 ...
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Find provisioning profile in Xcode 5

...iew with the naming of the current selected provisioning profile. You can now find the profile file on the path: ~/Library/MobileDevice/Provisioning Profiles Update: For Terminal: cd ~/Library/MobileDevice/Provisioning\ Profiles ...
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Compile time string hashing

...§5.19/2/2). I did make a mistake in the termination condition, which I've now fixed (I accidentally used || where it should have been &&). – Jerry Coffin Jan 21 '10 at 22:17 ...
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How can I remove an element from a list, with lodash?

...is exactly what I was looking for. Removing an element is trivial if you know the index, but what about when you don't know the index? – random_user_name Jan 19 '16 at 23:30 3 ...
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1114 (HY000): The table is full

...ible reason is the partition being full - this is just what happened to me now. share | improve this answer | follow | ...
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How to select the last record of a table in SQL?

...ut, I'm not 100% sure about this. EDIT Looking at the other answers, I'm now 100% confident that I'm correct with the MySQL statement :o) EDIT Just seen your latest comment. You could do: SELECT MAX(Id) FROM table This will get you the highest Id number. ...
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How do I use format() on a moment.js duration?

... I'm looking forward to duration formatting too. Taking a look countdownjs now, but twix only seems to do "smart" formatting, not much customization. – mpen Jan 23 '13 at 5:21 2 ...