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How to reorder data.table columns (without copying)
...mes(dt)[!(colnames(dt) %in% c("someCol"))]))
– hedgedandlevered
Aug 17 '16 at 16:18
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What does dot (.) mean in a struct initializer?
I don't understand this C syntax well. I can't even search because I don't know the syntax's name. What's that?
4 Answers
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How to change current working directory using a batch file
... answered Feb 28 '11 at 5:27
Andriy MAndriy M
69.4k1616 gold badges8484 silver badges139139 bronze badges
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mongoDB/mongoose: unique if not null
...e sparse if you just add a sparse : true to your schema. You have to drop and re-add the index. Dunno if that's expected or a bug.
– Adam A
Jun 5 '12 at 22:34
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How to add new line into txt file
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No new line:
File.AppendAllText("file.txt", DateTime.Now.ToString());
and then to get a new line after OK:
File.AppendAllText("file.txt", string.Format("{0}{1}", "OK", Environment.NewLine));
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How do I find a specific table in my EDMX model quickly?
... to find a table in the EDMX model than just scrolling through the diagram and looking for the thing. Our database has around 50 tables in it and when I'm looking for a specific one it's just a chore to see where VS put the thing.
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How do I get the name of the active user via the command line in OS X?
How do I get the name of the active user via the command line in OS X?
12 Answers
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INSERT INTO … SELECT FROM … ON DUPLICATE KEY UPDATE
... before the equals references the columns named in the INSERT INTO clause, and the second part references the SELECT columns.
INSERT INTO lee(exp_id, created_by, location, animal, starttime, endtime, entct,
inact, inadur, inadist,
smlct, smldur, smldist,
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Select statement to find duplicates on certain fields
...ach in the link above. Based on that you'll need to use an order by clause and a sub query if needed. If you can post some sample data, it would really help.
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Testing javascript with Mocha - how can I use console.log to debug a test?
...-require should
-R spec
--ui bdd
Hmm..just tested without any mocha.opts and console.log still works.
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