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How to count lines in a document?
...ill output the number of lines in <filename>:
$ wc -l /dir/file.txt
3272485 /dir/file.txt
Or, to omit the <filename> from the result use wc -l < <filename>:
$ wc -l < /dir/file.txt
3272485
You can also pipe data to wc as well:
$ cat /dir/file.txt | wc -l
3272485
$ curl...
Why am I getting “Cannot Connect to Server - A network-related or instance-specific error”?
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38 Answers
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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
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632
[[ has fewer surprises and is generally safer to use. But it is not portable - POSIX doesn't sp...
StringBuilder vs String concatenation in toString() in Java
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983
Version 1 is preferable because it is shorter and the compiler will in fact turn it into version...
Aligning textviews on the left and right edges in Android layout
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answered Jan 20 '10 at 6:38
Dave WebbDave Webb
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Call An Asynchronous Javascript Function Synchronously
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138
"don't tell me about how I should just do it "the right way" or whatever"
OK. but you shou...
Refresh image with a new one at the same url
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365
Try adding a cachebreaker at the end of the url:
newImage.src = "http://localhost/image.jpg?"...
Lodash - difference between .extend() / .assign() and .merge()
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edited Dec 7 '15 at 13:38
AdrieanKhisbe
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ans...
How to select the first element in the dropdown using jquery?
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193
Try this out...
$('select option:first-child').attr("selected", "selected");
Another option w...
Checking for empty arrays: count vs empty
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23
@prodigitalson I would say that count is O(1), since PHP stores the number of elements internally. Check out this answer stackoverflow.com/a...