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What is “lifting” in Haskell?
...b","c","aa","bb","cc","aaa","bbb","ccc"]
> ['a','b','c']
"abc"
liftA2 transforms a function of plain types to a function of same types wrapped in an Applicative, such as lists, IO, etc.
Another common lift is lift from Control.Monad.Trans. It transforms a monadic action of one monad to an acti...
Is there hard evidence of the ROI of unit testing?
... Boehm & al., “Understanding and Controlling Software Costs”, IEEE Trans Softw Eng (1988)).
– Konrad Rudolph
Nov 4 '14 at 10:52
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How does the MapReduce sort algorithm work?
...ed Oct 28 '14 at 17:26
Jonathan Tran
14.3k88 gold badges5656 silver badges6464 bronze badges
answered Jul 20 '09 at 10:19
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How can I save an image with PIL?
...Python image library (PIL) using a post I found earlier to perform fourier transforms of images and I can't get the save function to work. The whole code works fine but it just wont save the resulting image:
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How to concatenate two MP4 files using FFmpeg?
... (100% same codec, same resolution, same type) MP4 files, then you have to trans-code them into intermediate streams at first:
ffmpeg -i myfile1.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts temp1.ts
ffmpeg -i myfile2.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts temp2.ts
// now join
ffmpeg -i "con...
Scala vs. Groovy vs. Clojure [closed]
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Clojure is a dialect of Lisp with a few advanced features like Software Transactional Memory. If you like Lisp and would like to use something like it under the JVM, Clojure is for you. It's possibly the most functional language running on the JVM, and certainly the most famous one. Also, it has ...
Returning an array using C
...k (in the stack frame of returnArray() right?
– Minh Tran
Jun 3 at 2:05
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What is the difference between “git init” and “git init --bare”?
...t is, collaborators treat this as the remote?
– Minh Tran
Feb 6 '19 at 16:47
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catch all unhandled exceptions in ASP.NET Web Api
...nswered Mar 23 '16 at 5:20
Duoc TranDuoc Tran
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How do I break a string over multiple lines?
... Somehow a carriage return is added right after the end of the translation in my app. That way Javascript sees it as multiple lines and fails. {{- 'key'|trans -}} does not work either.
– Rvanlaak
May 6 '15 at 14:48
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