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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(s...
Using Custom Domains With IIS Express
...port :80, make sure Skype isn't using port 80, etc.)
Optionally: Set the Start URL to http://dev.example.com
Open %USERPROFILE%\My Documents\IISExpress\config\applicationhost.config (Windows XP, Vista, and 7) and edit the site definition in the <sites> config block to be along the lines of ...
Git cherry pick vs rebase
I have recently started working with Git.
6 Answers
6
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How to run .APK file on emulator [duplicate]
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@mahdi That command is for installing on the emulator. Start the emulator and run that command. It doesn't matter where the .apk file is stored, it will be copied to the emulator.
– Dan Dyer
Dec 24 '10 at 20:16
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Android Whatsapp/Chat Examples [closed]
...oking to create an instant messenger for Android, this code should get you started somewhere.
Excerpt from the source :
This is a simple IM application runs on Android, application makes
http request to a server, implemented in php and mysql, to
authenticate, to register and to get the othe...
Programmatically select text in a contenteditable HTML element?
...by switching to designMode and using document.execCommand:
There's a good starting point at MDN and a littledocumentation.
var selectText = function () {
document.execCommand('selectAll', false, null);
};
(works well in IE6+, Opera 9+, Firefoy 3+, Chrome 2+) http://caniuse.com/#search=execComm...
Throwing cats out of windows
...you can perform is to drop an egg off some floor and see what happens. You start out with k eggs, and seek to drop eggs as few times as possible. Broken eggs cannot be reused (intact eggs can). Let E(k,n) be the minimum number of egg droppings that will always suffice.
Show that E(1,n) = n.
Show th...
IISExpress returns a 503 error from remote machines
...ing protocol="http" bindingInformation=":50333:your-machine-name" />
Restart IIS Express
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MySQL Delete all rows from table and reset ID to zero
... add a new row, I want the primary key ID, which has an auto increment, to start again from 0 respectively from 1.
5 Answer...
Why is January month 0 in Java Calendar?
... answers, it could well be due to old C APIs, or just a general feeling of starting everything from 0... except that days start with 1, of course. I doubt whether anyone outside the original implementation team could really state reasons - but again, I'd urge readers not to worry so much about why b...