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How to combine class and ID in CSS selector?
...ng an id and a class on one element, but you shouldn't need to identify it by both for one rule. If you really want to you can do:
#content.sectionA{some rules}
You don't need the div in front of the ID as others have suggested.
In general, CSS rules specific to that element should be set with t...
SQL Joins Vs SQL Subqueries (Performance)?
...or, since SQL normally evaluates it as a series of WHERE clauses separated by "OR" (WHERE x=Y OR x=Z OR...).
As with ALL THINGS SQL though, your mileage may vary. The speed will depend a lot on indexes (do you have indexes on both ID columns? That will help a lot...) among other things.
The onl...
Create a custom View by inflating a layout?
...
Here is a simple demo to create customview (compoundview) by inflating from xml
attrs.xml
<resources>
<declare-styleable name="CustomView">
<attr format="string" name="text"/>
<attr format="reference" name="image"/>
</declare-sty...
Swift how to sort array of custom objects by property value
...t 2
images.sorted({ $0.fileID > $1.fileID })
Swift 3+
images.sorted(by: { $0.fileID > $1.fileID })
The example above gives desc sort order
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Select row with most recent date per user
... WHERE t2.user = t1.user
ORDER BY t2.id DESC
LIMIT 1)
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How to select a drop-down menu value with Selenium using Python?
...le:
from selenium import webdriver
b = webdriver.Firefox()
b.find_element_by_xpath("//select[@name='element_name']/option[text()='option_text']").click()
You can read more in:
https://sqa.stackexchange.com/questions/1355/unable-to-select-an-option-using-seleniums-python-webdriver
...
.Contains() on a list of custom class objects
... +1 Good clear example, that shows the option that wouldn't be affected by changes elsewhere (i.e. if the Equals() method got changed for whatever reason)
– Rowland Shaw
Apr 13 '10 at 15:18
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jQuery access input hidden value
..._fields.attr( 'text' );
Will give you all hidden input fields and filter by those with a specific type="".
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Does the join order matter in SQL?
...he outer join is associative as long as neither predicate can be satisfied by a row in which all columns from one table are NULL, than to say that it's associative as long as the predicates don't involve IS NULL or 'a function that is related to nulls'. One can easily imagine a predicate that satisf...
How to change identity column values programmatically?
...h SEQUENCES
CREATE SEQUENCE Seq
AS INT
START WITH 1
INCREMENT BY 1
CREATE TABLE Test2
(
ID INT DEFAULT NEXT VALUE FOR Seq NOT NULL PRIMARY KEY,
X VARCHAR(10)
)
INSERT INTO Test2(X)
SELECT 'Foo' UNION ALL
SELECT 'Bar' UNION ALL
SELECT 'Baz'
UPDATE Test2 SET ID+=1
...