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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(...
Reusable library to get human readable version of file size?
..., 'Yi', suffix)
Supports:
all currently known binary prefixes
negative and positive numbers
numbers larger than 1000 Yobibytes
arbitrary units (maybe you like to count in Gibibits!)
Example:
>>> sizeof_fmt(168963795964)
'157.4GiB'
by Fred Cirera
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Microsoft Web API: How do you do a Server.MapPath?
...th("~/SomePath");
See also What is the difference between Server.MapPath and HostingEnvironment.MapPath?
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How do I download a binary file over HTTP?
How do I download and save a binary file over HTTP using Ruby?
9 Answers
9
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What is the difference between a generative and a discriminative algorithm?
Please, help me understand the difference between a generative and a
discriminative algorithm, keeping in mind that I am just a beginner.
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How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method
...returns the index of the item in the array if the first argument is found, and it returns -1 if its not found. This means that if you're looking for a boolean of "is this value in the array?", you can't do a boolean comparison, since -1 is a truthy value, and when $.inArray returns 0 (a falsy value)...
Creating folders inside a GitHub repository without using Git
...reated GitHub repository without installing the Git setup for (Mac, Linux, and Windows). Is it possible to do so?
4 Answers...
Renaming xcode 4 project and the actual folder
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You can do this from within Xcode without resorting to hand editing the pbxproj file in a text editor!
Here's how:
Rename your source folder in the Finder. This will break the project initially because Xcode doesn't automatically detect when the real folders that the virtual (y...
UITextField auto-capitalization type - iPhone App
...t doesn't help if you past text to field. In this case delegate text input and replace first letter of each word
– HotJard
Dec 10 '13 at 8:17
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Extract substring using regexp in plain bash
I'm trying to extract the time from a string using bash, and I'm having a hard time figuring it out.
4 Answers
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