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get just the integer from wc in bash
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You can use the cut command to get just the first word of wc's output (which is the line or word count):
lines=`wc -l $f | cut -f1 -d' '`
words=`wc -w $f | cut -f1 -d' '`
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How to check if a string contains a substring in Bash
...ble quotes, and the * wildcards should be outside. Also note that a simple comparison operator is used (i.e. ==), not the regex operator =~.
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Android Studio rendering problems
... in the top right of the design window.
This was a solution from http://www.hankcs.com/program/mobiledev/idea-this-version-of-the-rendering-library-is-more-recent-than-your-version-of-intellij-idea-please-update-intellij-idea.html.This required a Google translation into English since it was in an...
Adding one day to a date
My code to add one day to a date returns a date before day adding:
2009-09-30 20:24:00 date after adding one day SHOULD be rolled over to the next month: 1970-01-01 17:33:29
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Should Github be used as a CDN for javascript libraries? [closed]
... prototyping / personal stuff, but for production I would look at:
http://www.cdnjs.com/
http://cachedcommons.org/ -- no longer available
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raw_input function in Python
What is the raw_input function? Is it a user interface? When do we use it?
7 Answers
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Difference between final and effectively final
...iable numberLength is not effectively final anymore. As a result, the Java compiler generates an error message similar to "local variables referenced from an inner class must be final or effectively final" where the inner class PhoneNumber tries to access the numberLength variable:
http://codeinven...
How do I get a substring of a string in Python?
Is there a way to substring a string in Python, to get a new string from the third character to the end of the string?
13 A...
Remove carriage return in Unix
What is the simplest way to remove all the carriage returns \r from a file in Unix?
20 Answers
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Why does pthread_cond_wait have spurious wakeups?
...r Corporation POSIX Thread Architect |
| My book: http://www.awl.com/cseng/titles/0-201-63392-2/ |
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