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Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
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edited Jun 16 '19 at 18:52
answered Feb 15 '12 at 0:25
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problem with and :after with CSS in WebKit
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I haven't checked this extensively, but I'm under the impression that this isn't (yet?) possib...
Can't find the 'libpq-fe.h header when trying to install pg gem
I am using the Ruby on Rails 3.1 pre version. I like to use PostgreSQL, but the problem is installing the pg gem. It gives me the following error:
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How to git commit a single file/directory
...icit, git commit -m 'my notes' -- path/to/my/file.ext.
Incidentally, git v1.5.2.1 is 4.5 years old. You may want to update to a newer version (1.7.8.3 is the current release).
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How to customize an end time for a YouTube video?
...end_at_second]
Note: the time must be an integer number of seconds (e.g. 119, not 1m59s).
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How to use mod operator in bash?
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241
Try the following:
for i in {1..600}; do echo wget http://example.com/search/link$(($i % 5)); ...
how to set textbox value in jquery
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I think you want to set the response of the call to the URL 'compz.php?prodid=' + x + '&qb...
What is the preferred syntax for defining enums in JavaScript?
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WPF Auto height in code
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146
Perhaps this link will help you.
At times, you may want to
programmatically set the Height or...
Declaration of Methods should be Compatible with Parent Methods in PHP
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childClass::customMethod() has different arguments, or a different access level (public/privat...