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Difference between string and text in rails?
...gt; 1 to 4294967296 (default = 65536)
Reference:
http://www.packtpub.com/article/Working-with-Rails-ActiveRecord-Migrations-Models-Scaffolding-and-Database-Completion
When should each be used?
As a general rule of thumb, use :string for short text input (username, email, password, titles, e...
Can I click a button programmatically for a predefined intent?
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48
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Can I make the foreign key field optional in Django model
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@WardC The combo of the two is so frequent because typically if you're going to allow a field to be blank in your form, you're going to also need your database to allow NULL values for that field. The exception is CharFields and TextFie...
Query a parameter (postgresql.conf setting) like “max_connections”
... server. It is essentially an alternative interface to the SHOW and
SET commands. It also provides access to some facts about each
parameter that are not directly available from SHOW, such as minimum
and maximum values.
For your original request:
SELECT *
FROM pg_settings
WHERE name = '...
setup cron tab to specific time of during weekdays
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How can I reset a react component including all transitively reachable state?
I occasionally have react components that are conceptually stateful which I want to reset. The ideal behavior would be equivalent to removing the old component and readding a new, pristine component.
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WPF global exception handler [duplicate]
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519
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How do I tidy up an HTML file's indentation in VI?
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From chovy.com/web-development/fix-indentation-and-tabs-in-vim found that I needed to reload the file with :e after filetype indent on.
– Marc Stober
May 17 '12 at 1:06
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Why does Eclipse automatically add appcompat v7 library support whenever I create a new project?
Why does Eclipse automatically add appcompat v7 library support whenever I create a new project?
10 Answers
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URL-parameters and logic in Django class-based views (TemplateView)
...entation on self.request, self.args etc can be found in docs.djangoproject.com/en/1.10/topics/class-based-views/…
– LShi
Mar 17 '17 at 15:29
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