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Create a devise user from Ruby console
...nt.
User.new({:email => "guy@gmail.com", :roles => ["admin"], :password => "111111", :password_confirmation => "111111" }).save(false)
Otherwise I'd do this
User.create!({:email => "guy@gmail.com", :roles => ["admin"], :password => "111111", :password_confirmation => "111...
Can TCP and UDP sockets use the same port?
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Yes, you can use the same port number for both TCP and UDP. Many protocols already do this, for example DNS works on udp/53 and tcp/53.
Technically the port pools for each protocol are completely independent, but for higher level protocols that can u...
warning: refname 'HEAD' is ambiguous
...called HEAD which is absolutely dangerous, since that's the symbolic name for whatever branch is the current branch.
Rename it:
git branch -m HEAD newbranch
then you can examine it and decide what to do (delete it, or save under a descriptive branch name)
(The origin/HEAD remote branch is not a...
Split string based on a regular expression
I have the output of a command in tabular form. I'm parsing this output from a result file and storing it in a string. Each element in one row is separated by one or more whitespace characters, thus I'm using regular expressions to match 1 or more spaces and split it. However, a space is being inser...
Imitate Facebook hide/show expanding/contracting Navigation Bar
...ier experience than you get in the Facebook app. To match Facebook's behavior, we need to:
hide/show the navbar at a rate that is proportional to the rate of the drag
kick off an animation to completely hide the bar if scrolling stops when the bar is partially hidden
fade the navbar's items as t...
Comma separator for numbers in R?
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You can try either format or prettyNum, but both functions return a vector of characters. I'd only use that for printing.
> prettyNum(12345.678,big.mark=",",scientific=FALSE)
[1] "12,345.68"
> format(12345.678,big.mark=",",scientific=FALS...
What does “Splats” mean in the CoffeeScript tutorial?
Looking at this CoffeeScript tutorial : http://jashkenas.github.com/coffee-script/
4 Answers
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Django - iterate number in for loop of a template
I have the following for loop in my django template displaying days. I wonder, whether it's possible to iterate a number (in the below case i) in a loop. Or do I have to store it in the database and then query it in form of days.day_number?
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How to define object in array in Mongoose schema correctly with 2d geo index
I'm currently having problems in creating a schema for the document below. The response from the server always returns the "trk" field values as [Object]. Somehow I have no idea how this should work, as I tried at least all approaches which made sense to me ;-)
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How do you execute an arbitrary native command from a string?
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Invoke-Expression, also aliased as iex. The following will work on your examples #2 and #3:
iex $command
Some strings won't run as-is, such as your example #1 because the exe is in quotes. This will work as-is, because the contents of the string are exactly how you would run it str...