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Extracting numbers from vectors of strings
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How about
# pattern is by finding a set of numbers in the start and capturing them
as.numeric(gsub("([0-9]+).*$", "\\1", years))
or
# pattern is to just remove _years_old
as.numeric(gsub(" years old", "", years))
or
# split by space, get the element in first index
as.numeric(sapply(...
How to retrieve absolute path given relative
Is there a command to retrieve the absolute path given the relative path?
21 Answers
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How to get the position of a character in Python?
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There are two string methods for this, find() and index(). The difference between the two is what happens when the search string isn't found. find() returns -1 and index() raises ValueError.
Using find()
>>> myString = 'Position of a character'
>>>...
Find what filetype is loaded in vim
As soon as I load any file in vim, It'll try to detect the file and color-highlight it if possible.
5 Answers
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PhantomJS failing to open HTTPS site
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I tried Fred's and Cameron Tinker's answers, but only --ssl-protocol=any option seem to help me:
phantomjs --ssl-protocol=any test.js
Also I think it should be way safer to use --ssl-protocol=any as you still are using encryption, but --...
How to run mvim (MacVim) from Terminal?
I have MacVim installed and I am trying to set it up as the editor for Git (version control), but I can't run 'mvim' from the command line as it isn't recognised. How do I setup mvim so I can run it from Terminal?
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Easier way to create circle div than using an image?
...lt;div class="circleBase type3"></div>
To make this work in IE8 and older, you must download and use CSS3 PIE. My demo above won't work in IE8, but that's only because jsFiddle doesn't host PIE.htc.
My demo looks like this:
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MenuItemCompat.getActionView always returns null
...library but the MenuItemCompat.getActionView always return null in every Android version I tested (4.2.2, 2.3.4 ....)
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Oracle SQL Query for listing all Schemas in a DB
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@Andy: that's why I wrote "as a privileged user" ;)
– a_horse_with_no_name
Jan 28 '11 at 23:01
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How to convert int to NSString?
...s with @() expression. So the shortest way is to transform int to NSNumber and pick up string representation with stringValue method:
NSString *strValue = [@(myInt) stringValue];
or
NSString *strValue = @(myInt).stringValue;
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