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Create a devise user from Ruby console
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You can add false to the save m>me m>thod to skip the validations if you want.
User.new({:email => "guy@gmail.com", :roles => ["admin"], :password => "111111", :password_confirmation => "111111" }).save(false)
Otherwise I'd do this
User.create!...
Platform independent size_t Format specifiers in c?
... Right, so in this case, you should be using %zu, because the argum>me m>nt is unsigned.
– caf
Jan 24 '10 at 23:03
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How do I properly clean up Excel interop objects?
...l holding references to COM objects.
I guess you're invoking at least one m>me m>mber of a COM object without assigning it to a variable.
For m>me m> it was the excelApp.Worksheets object which I directly used without assigning it to a variable:
Worksheet sheet = excelApp.Worksheets.Open(...);
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Marshal....
Piping both stdout and stderr in bash?
...le.)
To combine stdout and stderr you would redirect the latter to the form>me m>r using 2>&1. This redirects stderr (file descriptor 2) to stdout (file descriptor 1), e.g.:
$ { echo "stdout"; echo "stderr" 1>&2; } | grep -v std
stderr
$
stdout goes to stdout, stderr goes to stderr. gre...
Dynamically adding properties to an ExpandoObject
I would like to dynamically add properties to a ExpandoObject at runtim>me m>. So for example to add a string property call NewProp I would like to write som>me m>thing like
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How I can delete in VIM all text from current line to end of file?
I have very large files (more than 10Gb). I need only som>me m> lines from the top of the file. Is it possible (in vim) to delete the rest of the file (from current line to the end of file)?
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What does an underscore in front of an import statem>me m>nt m>me m>an?
...e-effects (initialization), use the blank identifier as explicit package nam>me m>:
import _ "lib/math"
In sqlite3
In the case of go-sqlite3, the underscore import is used for the side-effect of registering the sqlite3 driver as a database driver in the init() function, without importing any other funct...
Copy and paste content from one file to another file in vi
...nd paste into another file. I know how to copy (yy) and paste (p) in the sam>me m> file. But that doesn't work for different files. How is this done?
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Difference between . and : in Lua
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The colon is for implem>me m>nting m>me m>thods that pass self as the first param>me m>ter. So x:bar(3,4)should be the sam>me m> as x.bar(x,3,4).
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improve th...
Difference between wait() and sleep()
...r. Another thread may do
synchronized (mon) { mon.notify(); }
(on the sam>me m> mon object) and the first thread (assuming it is the only thread waiting on the monitor) will wake up.
You can also call notifyAll if more than one thread is waiting on the monitor – this will wake all of them up. Howe...