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Check number of arguments passed to a Bash script

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How to append rows to an R data frame

... 115 Update Not knowing what you are trying to do, I'll share one more suggestion: Preallocate vec...
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How to generate random number in Bash?

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What's the fastest way to loop through an array in JavaScript?

... | edited Sep 19 at 3:34 ib. 24.6k88 gold badges6767 silver badges8989 bronze badges answere...
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Get Android API level of phone currently running my application [duplicate]

... 412 Check android.os.Build.VERSION, which is a static class that holds various pieces of informatio...
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Using python map and other functional tools

... the different functions, but to access it directly from maptest: foos = [1.0,2.0,3.0,4.0,5.0] bars = [1,2,3] def maptest(foo): print foo, bars map(maptest, foos) With your original maptest function you could also use a lambda function in map: map((lambda foo: maptest(foo, bars)), foos) ...
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TypeScript sorting an array

... 187 The error is completely correct. As it's trying to tell you, .sort() takes a function that re...
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Apply multiple functions to multiple groupby columns

... 313 The second half of the currently accepted answer is outdated and has two deprecations. First an...
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What's the difference between echo, print, and print_r in PHP?

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FFmpeg: How to split video efficiently?

... -y -i input.ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:00 -sn test1.mkv time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:30:00 -t 01:00:00 -sn test2.mkv echo "One command" time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:00 \ -sn tes...