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What is causing this ActiveRecord::ReadOnlyRecord error?
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Rails 2.3.3 and lower
From the ActiveRecord CHANGELOG(v1.12.0, October 16th, 2005):
Introduce read-only records. If you call object.readonly! then it will
mark the object as read-only and raise
ReadOnlyRecord if you call
object.save. object.readonly? reports
whether the object is r...
Log exception with traceback
... H S Rathore
84411 gold badge88 silver badges1616 bronze badges
answered Oct 2 '09 at 10:24
nosklonosklo
183k5252 gold badg...
What's an elegant way to conditionally add a class to an HTML element in a view?
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answered Apr 13 '10 at 4:16
user229044♦user229044
202k3535 gold badges298298 silver badges309309 bronze badges
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Is the creation of Java class files deterministic?
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edited Apr 16 '13 at 14:22
answered Feb 20 '13 at 17:11
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std::vector performance regression when enabling C++11
... ( +- 1.75% )
4 context-switches # 0.116 K/sec ( +- 5.69% )
0 CPU-migrations # 0.006 K/sec ( +- 66.67% )
19,801 page-faults # 0.559 M/sec
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“elseif” syntax in JavaScript
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16
@JayK: Haha.. PHP has elseif, perl has elsif (I think), and Python has elif.. that kind of annoyed me at first, but... I guess it's kind of...
How to make Git “forget” about a file that was tracked but is now in .gitignore?
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edited Jun 16 '19 at 16:24
Robin Wieruch
8,66166 gold badges5858 silver badges8484 bronze badges
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Create array of symbols
..." an alternative to "to_sym". See codecademy.com/forum_questions/512a675cf116c52d0d00674b
– A5308Y
Jan 10 '14 at 15:44
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How to create a dialog with “yes” and “no” options?
...d of the native ones.
– s4y
Mar 18 '16 at 2:42
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show 5 more comments
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What's the yield keyword in JavaScript?
... below.
– www-0av-Com
Oct 14 '17 at 16:39
6
if someone asks for explanation, just copy pasting a ...