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Getting attribute using XPath
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Thanks! This solved a similar problem I had with a data attribute inside a Div.
<div id="prop_sample" data-want="data I want">data I do not want</div>
Use this xpath: //*[@id="prop_sample"]/@data-want
Hope this helps someone else!
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MYSQL Dump only certain rows
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Just fix your --where option. It should be a valid SQL WHERE clause, like:
--where="date_pulled='2011-05-23'"
You have the column name outside of the quotes.
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Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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function getUserInfo(id)
print(id)
return "haoel", 37, "haoel@hotmail.com", "http://coolshell.cn"
end
name, age, email, website, bGay = getUserInfo()
注意：上面的示例中，因为没有传id，所以函...
How do I find duplicate values in a table in Oracle?
...XISTS (
SELECT 1 FROM TABLE
WHERE COLUMN_NAME = A.COLUMN_NAME
AND ROWID < A.ROWID
)
Works fine (quick enough) when there is index on column_name. And it's better way to delete or update duplicate rows.
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In Python, what is the difference between “.append()” and “+= []”?
...l add one item to the list, while += will copy all elements of right-hand-side list into the left-hand-side list.
Update: perf analysis
Comparing bytecodes we can assume that append version wastes cycles in LOAD_ATTR + CALL_FUNCTION, and += version -- in BUILD_LIST. Apparently BUILD_LIST outweighs...
Get screen width and height in Android
How can I get the screen width and height and use this value in:
29 Answers
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What's the best manner of implementing a social activity stream? [closed]
...stem and I took this approach:
Database table with the following columns: id, userId, type, data, time.
userId is the user who generated the activity
type is the type of the activity (i.e. Wrote blog post, added photo, commented on user's photo)
data is a serialized object with meta-data for the ...
Set padding for UITextField with UITextBorderStyleNone
...by doing that
let paddingView: UIView = UIView(frame: CGRect(x: 0, y: 0, width: 5, height: 20))
textField.leftView = paddingView
textField.leftViewMode = .always
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Setting DIV width and height in JavaScript
I have a div with id="div_register" . I want to set its width dynamically in JavaScript.
6 Answers
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Height equal to dynamic width (CSS fluid layout) [duplicate]
Is it possible to set same height as width (ratio 1:1)?
9 Answers
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