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Extracting numbers from vectors of strings
...ion is an indirect way of getting to the solution. If you want to retrieve all the numbers, I recommend gregexpr:
matches <- regmatches(years, gregexpr("[[:digit:]]+", years))
as.numeric(unlist(matches))
If you have multiple matches in a string, this will get all of them. If you're only intere...
What is “above-the-fold content” in Google Pagespeed?
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create multiple tag docker image
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How does a public key verify a signature?
... add a digital signature to a document using his/her private key to essentially obtain a hash of the document, but what I do not understand is how the public key can be used to verify that signature.
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Breaking a list into multiple columns in Latex
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How can I limit Parallel.ForEach?
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Elevating process privilege programmatically?
I'm trying to install a service using InstallUtil.exe but invoked through Process.Start . Here's the code:
5 Answers
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How can I tell IntelliJ's “Find in Files” to ignore generated files?
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Amazon S3 Change file download name
...mention that it was not me to provide the right answer on Amazon forum and all credits should go to Colin Rhodes ;-)
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Why use JUnit for testing?
... of a robot, filling a bottle of soda, aggregating data from a hundred web services, checking the audit trail of a financial transaction... you get the idea. "Output" doesn't mean a few lines of text, "output" means aggregate system behavior.
Lastly, unit and behavior tests define system behavio...