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How do I use ROW_NUMBER()?
... row_number() over (order by id) as rownum
from table_name
)
select max(rownum) from temp
To get the row numbers where name is Matt:
with temp as (
select name, row_number() over (order by id) as rownum
from table_name
)
select rownum from temp where name like 'Matt'
You can further ...
Delete all rows in an HTML table
How can I delete all rows of an HTML table except the <th> 's using Javascript, and without looping through all the rows in the table? I have a very huge table and I don't want to freeze the UI while I'm looping through the rows to delete them
...
PHP - Check if two arrays are equal
I'd like to check if two arrays are equal. I mean: same size, same index, same values. How can I do that?
15 Answers
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Is a Python list guaranteed to have its elements stay in the order they are inserted in?
...te elements and has a defined order that generally does not change unless explicitly made to do so. stacks and queues are both types of lists that provide specific (often limited) behavior for adding and removing elements (stacks being LIFO, queues being FIFO). Lists are practical representations of...
Setting PayPal return URL and making it auto return?
...g in to your PayPal account at https://www.paypal.com or https://www.sandbox.paypal.com
The My Account Overview page appears.
Click the gear icon top right.
The Profile Summary page appears.
Click the My Selling Preferences link in the left column.
Under the Selling Online section, click...
What are bitwise shift (bit-shift) operators and how do they work?
...
The bit shifting operators do exactly what their name implies. They shift bits. Here's a brief (or not-so-brief) introduction to the different shift operators.
The Operators
>> is the arithmetic (or signed) right shift operator.
>>> is t...
UIGestureRecognizer on UIImageView
...
userInteractionEnabled still must be set to YES/true in Xcode 8 Objective-C/Swift
– leanne
Sep 5 '17 at 19:19
|
show 2 mo...
How to compile a 64-bit application using Visual C++ 2010 Express?
...le way to compile a 64 bit app with the 32-bit edition of Visual C++ 2010 Express? What configurations, if any, are necessary?
...
Why a function checking if a string is empty always returns true? [closed]
... edited Jan 16 '19 at 4:28
GKFX
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answered Apr 5 '09 at 14:29
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Re-ordering columns in pandas dataframe based on column name [duplicate]
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df = df.reindex(sorted(df.columns), axis=1)
This assumes that sorting the column names will give the order you want. If your column names won't sort lexicographically (e.g., if you want column Q10.3 to appear after Q9.1), you'll need to...