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What's the most efficient way to erase duplicates and sort a vector?
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I think your results are wrong. In my tests the more duplicated elements the faster vector (comparative) is, actually scales the other way around. Did you compile with optimizations on and runtime checks off?. On my side vector is always faster, up to 100x depending on the...
How to “comment-out” (add comment) in a batch/cmd?
...ten in Bourne shell, not Windows batch, so how is it relevant here? Furthermore, the colon command being valid Bourne syntax is not a "bonus side effect"; it's precisely why it's used in that Bourne script. It's used in favor of # for comments because #, evidently, might not be a valid comment desig...
Searching subversion history (full text)
... can take a while depending on the size of your repository. For me it took more than an hour.
– user247702
Aug 7 '15 at 16:31
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Div width 100% minus fixed amount of pixels
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windows service vs scheduled task
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Fastest way to replace NAs in a large data.table
...set.seed(1)
dt1 = create_dt(2e5, 200, 0.1)
dim(dt1)
[1] 200000 200 # more columns than Ramnath's answer which had 5 not 200
f_andrie = function(dt) remove_na(dt)
f_gdata = function(dt, un = 0) gdata::NAToUnknown(dt, un)
f_dowle = function(dt) { # see EDIT later for more elegant solution...
How do I check if string contains substring? [duplicate]
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Replace comma with newline in sed on MacOS?
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Upvoted. For more info see the "QUOTING" section of man bash.
– tboyce12
Apr 1 '15 at 18:23
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Git workflow and rebase vs merge questions
...in Avoiding Git Disasters: A Gory Story. It only makes conflict resolution more tedious for them and makes it harder to recover from bad conflict resolution. Instead, use diff3 so that it's not so difficult in the first place.
Rebase workflow is not better for conflict resolution!
I am very pro-...
SQL (MySQL) vs NoSQL (CouchDB) [closed]
... manual
over automatic transmission. Secondly,
NoSQL allows you to eke more
performance out of the system by
eliminating a lot of integrity checks
done by relational databases from the
database tier. Again, this is similar
to how you can get more performance
out of your car by drivin...