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Add a reference column migration in Rails 4
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Rails 4.x
When you already have users and uploads tables and wish to add a new relationship between them.
All you need to do is: just generate a migration using the following command:
rails g migration AddUserToUploads user:references
Which will create a migr...
Razor doesn't understand unclosed html tags
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@Stuntman you need to do this for both the opening and the closing tags to make it work.
– Departamento B
Jun 6 '16 at 14:05
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Why won't my PHP app send a 404 error?
... If you looked at the headers of that blank page, you'd see a 404 header, and other computers/programs would be able to correctly identify the response as file not found.
Of course, your users are still SOL. Normally, 404s are handled by the web server.
User: Hey, do you have anything for me ...
SQL set values of one column equal to values of another column in the same table
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UPDATE YourTable
SET ColumnB=ColumnA
WHERE
ColumnB IS NULL
AND ColumnA IS NOT NULL
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AngularJS changes URLs to “unsafe:” in extension page
I am trying to use Angular with a list of apps, and each one is a link to see an app in more detail ( apps/app.id ):
6 Answ...
“No such file or directory” error when executing a binary
...ed it: sudo apt-get install ia32-libs
– RyanfaeScotland
Oct 11 '13 at 12:44
21
If anyone still g...
Package objects
...write
import swing._
import Swing._
to have all the goodness like onEDT and implicit conversions from Tuple2 to Dimension.
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Linq order by boolean
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Just wanted to do this and it seems like something with no implicit ordering. I did the following to be more explicit:
Something.OrderBy(e=>e.SomeFlag ? 0 : 1)
to sort something true to false.
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In Ruby on Rails, how do I format a date with the “th” suffix, as in, “Sun Oct 5th”?
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Just note this isn't in the standard library.
– Chris Lloyd
Feb 1 '11 at 11:34
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Bash continuation lines
...; "lines"
continuation lines
If this creates two arguments to echo and you only want one, then let's look at string concatenation. In bash, placing two strings next to each other concatenate:
$ echo "continuation""lines"
continuationlines
So a continuation line without an indent is one w...