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Run a callback only if an attribute has changed in Rails
...::Dirty is here: https://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae6c96faac5b4a3c81
Here is a blog post on these changes: https://www.ombulabs.com/blog/rails/upgrades/active-record-5-1-api-changes.html
Here is the summary I made for myself on the changes to ActiveRecord::Dirty in Rails...
how to override left:0 using CSS or Jquery?
... Jan HančičJan Hančič
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What's the difference between interface and @interface in java?
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answered May 27 '09 at 23:10
mrkishimrkishi
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How to join absolute and relative urls?
...t;> import urlparse
>>> urlparse.urljoin(url1, url2)
'http://127.0.0.1/test1/test4/test6.xml'
With Python 3 (where urlparse is renamed to urllib.parse) you could use it as follow:
>>> import urllib.parse
>>> urllib.parse.urljoin(url1, url2)
'http://127.0.0.1/test1/te...
How do I strip non alphanumeric characters from a string and keep spaces?
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answered May 23 '11 at 23:37
jwuellerjwueller
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What is the maximum characters for the NVARCHAR(MAX)?
...ess.
– MisterGeeky
Aug 21 '18 at 0:07
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What is PostgreSQL equivalent to NVCHAR (MAX) ?
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How to make Sequelize use singular table names
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– Maria Ines Parnisari
Aug 3 '16 at 17:26
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freezeTableName: true is not working in the latest ver...
Select rows which are not present in other table
...or me
– Dan Parker
Dec 2 '19 at 20:17
Be careful with LEFT JOIN — if there are multiple matching rows in the lookup ...
When would you use .git/info/exclude instead of .gitignore to exclude files?
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mwfearnley
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answered Apr 7 '14 at 8:15
mu 無mu 無
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How do I escape a percentage sign in T-SQL?
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Use brackets. So to look for 75%
WHERE MyCol LIKE '%75[%]%'
This is simpler than ESCAPE and common to most RDBMSes.
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