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What is `params.require(:person).permit(:name, :age)` doing in Rails 4?
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Where is shared_ptr?
...rying to find where shared_ptr is located. None of the examples I see show complete code to include the headers for shared_ptr (and working). Simply stating std , tr1 and <memory> is not helping at all! I have downloaded boosts and all but still it doesn't show up! Can someone help me ...
Temporarily disable some plugins using pathogen in vim.
...do')
endif
if v:version < '702'
call add(g:pathogen_disabled, 'autocomplpop')
call add(g:pathogen_disabled, 'fuzzyfinder')
call add(g:pathogen_disabled, 'l9')
endif
call pathogen#infect()
Update: Another method, supported by Pathogen, is to simply rename the directory for the bund...
What do the &,
..._development # from the "default" alias database: test_test To be completely accurate. Does the second "database" override the one referenced from "*default" ?
– Gripp
Nov 30 '17 at 16:39
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Django ModelForm: What is save(commit=False) used for?
Why would I ever use save(commit=False) instead of just creating a form object from the ModelForm subclass and running is_valid() to validate both the form and model?
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In Xcode, how to suppress all warnings in specific source files?
...he name of the file in the search box, and you should see it listed in the Compile Sources phase. Double-click in the Compiler Flags column for that file and enter -w to turn off all warnings for that file.
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How do I use a custom Serializer with Jackson?
...n thread "main" java.lang.IllegalArgumentException: JsonSerializer of type com.example.JsonTest$UserSerilizer does not define valid handledType() (use alternative registration method?) at org.codehaus.jackson.map.module.SimpleSerializers.addSerializer(SimpleSerializers.java:62) at org.codehaus.jac...
jQuery selector for the label of a checkbox
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This should work:
$("label[for='comedyclubs']")
See also: Selectors/attributeEquals - jQuery JavaScript Library
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Select DISTINCT individual columns in django?
...te in the docs about using distinct(). The above example will work but all combinations of distinct() and values() may not.
PS: it is a good idea to use lower case names for fields in a model. In your case this would mean rewriting your model as shown below:
class ProductOrder(models.Model):
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Gmail's new image caching is breaking image links in newsletter
I've got some automatic emails that are sent out upon signup completion for my site.
16 Answers
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