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Useful code which uses reduce()? [closed]
Does anyone here have any useful code which uses reduce() function in python? Is there any code other than the usual + and * that we see in the examples?
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How to run a C# console application with the console hidden
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Doesn't hide the console window, StartInfo.CreateNoWindow = true is required.
– Daniel
Aug 27 '14 at 4:10
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Apply a function to every row of a matrix or a data frame
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Apply does the job well, but is quite slow.
Using sapply and vapply could be useful. dplyr's rowwise could also be useful
Let's see an example of how to do row wise product of any data frame.
a = data.frame(t(iris[1:10,1:3]))
vap...
Finding ALL duplicate rows, including “elements with smaller subscripts”
...t$x, fromLast=TRUE), ] Returned all three of he copies of 7, 8, and 9. Why does that work?
– JoeM05
Apr 9 '17 at 21:21
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Simple Pivot Table to Count Unique Values
... +1 I think this is slightly easier than my solution because it doesn't require a special value for the first row
– lc.
Aug 9 '12 at 3:23
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Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.10:test
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what does -U do?
– Spikolynn
Jun 11 '17 at 12:42
5
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How do I fit an image (img) inside a div and keep the aspect ratio?
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Michael's answer is much simpler and it doesn't use Javascript. I don't know about browser compatibility though.
– weberc2
Jun 3 '12 at 21:13
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Check if a variable is of function type
... solution. Additionally your “best” solution where you use instanceof does not take into account multiple globals, such as a check across frames, and can return false negatives.
– brainkim
Apr 12 '18 at 17:30
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.NET Format a string with fixed spaces
Does the .NET String.Format method allow placement of a string at a fixed position within a fixed length string.
10 Answers...
reducing number of plot ticks
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This doesn't seem to place the labels where they should be. For example, if the original tick labels are [0, 1, ..., 99] and now one sets nticks=10, then the new sparse labels will be placed ten times as long apart along the axis,...