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Showing data values on stacked bar chart in ggplot2
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From ggplot 2.2.0 labels can easily be stacked by using position = position_stack(vjust = 0.5) in geom_text.
ggplot(Data, aes(x = Year, y = Frequency, fill = Category, label = Frequency)) +
geom_bar(stat = "identity") +
geom_text(size =...
Handling Touch Event in UILabel and hooking it up to an IBAction
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Scott PersingerScott Persinger
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Dictionaries and default values
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edited Jan 23 '19 at 5:30
Solomon Ucko
2,42022 gold badges1212 silver badges2727 bronze badges
answere...
inserting characters at the start and end of a string
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answered Apr 8 '12 at 0:47
Mark ByersMark Byers
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Guards vs. if-then-else vs. cases in Haskell
...and guards should almost always be used instead.
let absOfN =
if n < 0 -- Single binary expression
then -n
else n
Every if..then..else expression can be replaced by a guard if it is at the top level of a function, and this should generally be preferred, since you can add more cases more...
How do I rename all files to lowercase?
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answered Oct 16 '11 at 20:39
wjlwjl
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How to change column datatype from character to numeric in PostgreSQL 8.4
...nding on your data):
alter table presales alter column code type numeric(10,0) using code::numeric;
-- Or if you prefer standard casting...
alter table presales alter column code type numeric(10,0) using cast(code as numeric);
This will fail if you have anything in code that cannot be cast to num...
Upload file to FTP using C#
...ernatives
– Pacharrin
Apr 16 '19 at 0:29
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Java regular expression OR operator
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edited Jan 9 '10 at 0:57
answered Jan 9 '10 at 0:46
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How do I break out of a loop in Scala?
...f loops.
Suppose you want to sum numbers until the total is greater than 1000. You try
var sum = 0
for (i <- 0 to 1000) sum += i
except you want to stop when (sum > 1000).
What to do? There are several options.
(1a) Use some construct that includes a conditional that you test.
var sum...