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How can I add a third button to an Android Alert Dialog?
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edited Aug 31 '14 at 20:29
jvperrin
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Google Maps API 3 - Custom marker color for default (dot) marker
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Simply replace "FE7569" with the color code you're after. Eg:
Credit due to Jack B Nimble for the inspiration ;)
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Drop unused factor levels in a subsetted data frame
...s <- factor(subdf$letters)
> subdf$letters
[1] a b c
Levels: a b c
EDIT
From the factor page example:
factor(ff) # drops the levels that do not occur
For dropping levels from all factor columns in a dataframe, you can use:
subdf <- subset(df, numbers <= 3)
subdf[] <- lappl...
Is there an online name demangler for C++? [closed]
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edited Oct 4 '19 at 14:27
answered May 5 '12 at 23:20
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How can I remove the top and right axis in matplotlib?
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edited Sep 6 '19 at 14:05
answered Dec 8 '14 at 15:58
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When should I use nil and NULL in Objective-C?
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edited Jan 27 '16 at 14:15
community wiki
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String Resource new line /n not possible?
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edited Jun 25 at 16:19
desertnaut
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In SQL, what's the difference between count(column) and count(*)?
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count(*) counts NULLs and count(column) does not
[edit] added this code so that people can run it
create table #bla(id int,id2 int)
insert #bla values(null,null)
insert #bla values(1,null)
insert #bla values(null,1)
insert #bla values(1,null)
insert #bla values(null,1)
inse...
Easy way to print Perl array? (with a little formatting)
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edited Oct 7 '16 at 21:19
answered Apr 21 '11 at 8:45
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How do you reindex an array in PHP?
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edited Feb 26 '09 at 16:13
answered Feb 26 '09 at 16:07
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