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PendingIntent does not send Intent extras
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edited Jun 8 '16 at 7:35
answered Jun 8 '16 at 7:24
Yuli...
MySQL remove all whitespaces from the entire column
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5 Answers
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Which regular expression operator means 'Don't' match this character?
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edited Sep 10 '14 at 7:51
answered May 8 '11 at 5:22
Pao...
How do you know when to use fold-left and when to use fold-right?
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105
You can transfer a fold into an infix operator notation (writing in between):
This example fold...
Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
... standard Hex colors in the form of strings. For example: "#AA6622" or "#bb551144".
Auto-detects and accepts standard RGB colors in the form of strings. For example: "rgb(123,45,76)" or "rgba(45,15,74,0.45)".
Shades colors to white or black by percentage.
Blends colors together by percentage.
Does H...
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...
How to synchronize a static variable among threads running different instances of a class in Java?
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5 Answers
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Get column index from column name in python pandas
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Sure, you can use .get_loc():
In [45]: df = DataFrame({"pear": [1,2,3], "apple": [2,3,4], "orange": [3,4,5]})
In [46]: df.columns
Out[46]: Index([apple, orange, pear], dtype=object)
In [47]: df.columns.get_loc("pear")
Out[47]: 2
although to be honest I don...
MySql: Tinyint (2) vs tinyint(1) - what is the difference?
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AamirRAamirR
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ruby convert array into function arguments
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JohnsywebJohnsyweb
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