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What is the use for Task.FromResult in C#
... Stephen ClearyStephen Cleary
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For each row return the column name of the largest value
...ples using sample reproducible):
DF <- data.frame(V1=c(2,8,1),V2=c(7,3,5),V3=c(9,6,4))
colnames(DF)[apply(DF,1,which.max)]
[1] "V3" "V1" "V2"
A faster solution than using apply might be max.col:
colnames(DF)[max.col(DF,ties.method="first")]
#[1] "V3" "V1" "V2"
...where ties.method can be a...
WPF Auto height in code
... 4.0 lib)
– Franck
Nov 21 '13 at 19:57
1
Link is dead but you can access a archived version here
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Export Postgresql table data using pgAdmin
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edited Nov 25 '16 at 15:06
Alfonso Tienda
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Accessing dict_keys element by index in Python3
...t!
– Brandon Bradley
Jun 10 '14 at 15:38
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Check if a string contains another string
... Integer
pos = InStr("find the comma, in the string", ",")
will return 15 in pos
If not found it will return 0
If you need to find the comma with an excel formula you can use the =FIND(",";A1) function.
Notice that if you want to use Instr to find the position of a string case-insensitive use ...
What do single quotes do in C++ when used on multiple characters?
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5 Answers
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How to escape hash character in URL
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answered Feb 15 '11 at 17:48
Robert Tupelo-SchneckRobert Tupelo-Schneck
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NSDictionary - Need to check whether dictionary contains key-value pair or not
... at all?
– jbx72487
Feb 1 '13 at 18:51
13
@jbx72487 Dictionaries must contain objects; objectForK...