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How to get CSS to select ID that begins with a string (not in Javascript)?
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[id^=product]
^= indicates "starts with". Conversely, $= indicates "ends with".
The symbols are actually borrowed from Regex syntax, where ^ and $ mean "start of string" and "end of string" respectively.
See the specs for ...
Rails has_and_belongs_to_many migration
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You need to add a separate join table with only a restaurant_id and user_id (no primary key), in alphabetical order.
First run your migrations, then edit the generated migration file.
Rails 3
rails g migration create_restaurants_users_table
Rails 4:
rails g migration create_rest...
Relational table naming convention [closed]
...d (as opposed to pre-1970's Record Filing Systems [characterised by Record IDs which are implemented in an SQL database container for convenience):
the tables are the Subjects of the database, thus they are nouns, again, singular
the relationships between the tables are the Actions that take place...
Include intermediary (through model) in responses in Django Rest Framework
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class MembershipSerializer(serializers.HyperlinkedModelSerializer):
id = serializers.Field(source='group.id')
name = serializers.Field(source='group.name')
class Meta:
model = Membership
fields = ('id', 'name', 'join_date', )
That has the overall effect of creating...
Select multiple records based on list of Id's with linq
I have a list containing Id's of my UserProfile table. How can i select all UserProfiles based on the list of Id's i got in a var using LINQ ?
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Using regular expression in css?
I have an html page with divs that have id (s) of the form s1 , s2 and so on.
8 Answers
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SQL Server indexes - ascending or descending, what difference does it make?
...y Optimiser's point of view.
For the table definition
CREATE TABLE T1( [ID] [int] IDENTITY NOT NULL,
[Filler] [char](8000) NULL,
PRIMARY KEY CLUSTERED ([ID] ASC))
The Query
SELECT TOP 10 *
FROM T1
ORDER BY ID DESC
Uses an ordered scan with scan direction BAC...
Rails migration for has_and_belongs_to_many join table
...acher
for rails 3:
rails generate migration students_teachers student_id:integer teacher_id:integer
for rails < 3
script/generate migration students_teachers student_id:integer teacher_id:integer
(note the table name lists both join tables in alphabetical order)
and then for rails 3 ...
What does “for” attribute do in HTML tag?
...ement:
<label>Input here:
<input type='text' name='theinput' id='theinput'>
</label>
The other way is to use the for attribute, giving it the ID of the associated input:
<label for="theinput">Input here:</label>
<input type='text' name='whatever' id='theinput...
How to get a resource id with a known resource name?
... access a resource like a String or a Drawable by its name and not its int id.
10 Answers
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