search for: v4b

..., V2b = sample(c("1","0"), 10, TRUE) , V3a = sample(c("1","0"), 10, TRUE) , V3b = sample(c("1","0"), 10, TRUE) , V4a = sample(c("1","0"), 10, TRUE) , V4b = sample(c("1","0"), 10, TRUE)) dt[,":="(seq=.I)] setcolorder(dt,"seq") dt1 <- melt(dt,id.vars=1,measure.vars=2:ncol(dt),variable.name="vrb", value.name="vl") dt1[,":="(vrb_nm=str_sub(vrb,end=2),vrb_tp=str_sub(vrb,start=-1))]...

...E) > > > , V3a = sample(c("1","0"), 10, TRUE) > > > , V3b = sample(c("1","0"), 10, TRUE) > > > , V4a = sample(c("1","0"), 10, TRUE) > > > , V4b = sample(c("1","0"), 10, TRUE)) > > > dt[,":="(seq=.I)] > > > setcolorder(dt,"seq") > > > > > > dt1 <- melt(dt,id.vars=1,measure.vars=2:ncol(dt),variable.name="vrb", > > > value.name="vl") &g...

...E) > > > , V3a = sample(c("1","0"), 10, TRUE) > > > , V3b = sample(c("1","0"), 10, TRUE) > > > , V4a = sample(c("1","0"), 10, TRUE) > > > , V4b = sample(c("1","0"), 10, TRUE)) > > > dt[,":="(seq=.I)] > > > setcolorder(dt,"seq") > > > > > > dt1 <- melt(dt,id.vars=1,measure.vars=2:ncol(dt),variable.name="vrb", > > > value.name="vl") &g...

Hi, I''ve got a newbie question--sorry if this is covered elsewhere, I parsed through the archives for awhile and didn''t see it. I''d like to listen for whenever a file is renamed (e.g. foo.txt -> foo.old) and then magically change it back. This sounds odd, but I''m working with a stubborn application and this will actually make things work nice. So, if I do:

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