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Repairing Postgresql after upgrading to OSX 10.7 Lion
I recently upgraded to OSX 10.7, at which point my rails installation completely borked when trying to connect to the psql server. When I do it from the command line using
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There is no ViewData item of type 'IEnumerable' that has the key 'xxx'
...ntains a SelectList with the same name as your DropDownList i.e. "submarket_0", the Html helper will automatically populate your DropDownList with that data if you don't specify the 2nd parameter which in this case is the source SelectList.
What happened with my error was:
Because the table contai...
Validating parameters to a Bash script
...ant script as far as I can tell; it doesn't use any bashisms, which is actually important because /bin/sh on Ubuntu is actually dash these days, not bash.
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Is it possible to prevent an NSURLRequest from caching data or remove cached data following a reques
...e, I perform a HTTP request using NSURLRequest for a chunk of data. Object allocation spikes and I assign the data accordingly. When I finish with the data, I free it up accordingly - however instruments doesn't show any data to have been freed!
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Joining three tables using MySQL
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Simply use:
select s.name "Student", c.name "Course"
from student s, bridge b, course c
where b.sid = s.sid and b.cid = c.cid
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How to get started on TDD with Ruby on Rails? [closed]
...the concepts (took testing classes in college), but I am not sure how to really use them yet since I never worked on a "real" TDD project.
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How do you list the primary key of a SQL Server table?
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Actually, I believe you have to also constrain by Schema, right? So, you'd need to add "And COL.TABLE_SCHEMA = '<your schema name>'" as well.
– DavidStein
May 17 '13 at 15:56
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Object.watch() for all browsers?
...s answer I gave to a similar question works fine here)
I have created a small object.watch shim for this a while ago. It works in IE8, Safari, Chrome, Firefox, Opera, etc.
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Use of exit() function
I want to know how and when can I use the exit() function like the program in my book:
13 Answers
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Failed to load resource under Chrome
...sabled (ctrl+shift+n) and see if your page works now. Note that by default all extensions will be already disabled in incognito mode unless you've specifically set them to run (via chrome://extensions).
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