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Referring to a Column Alias in a WHERE Clause
...t, as mentioned in other answers, you can force SQL to treat SELECT to be handled before the WHERE clause. This is usually done with parenthesis to force logical order of operation or with a Common Table Expression (CTE):
Parenthesis/Subselect:
SELECT
*
FROM
(
SELECT
logcount, logUserI...
Python Nose Import Error
...nswered Jun 18 '10 at 22:09
ire_and_cursesire_and_curses
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PHP - include a php file and also send query parameters
...age from my php script based on certain conditions. I have an if condition and am doing an "include" if the condition is satisfied.
...
How do I read an attribute on a class at runtime?
...m trying to create a generic method that will read an attribute on a class and return that value at runtime. How do would I do this?
...
How to add a margin to a table row [duplicate]
...e a table containing many rows. Some of these rows are class="highlight" and signify a row that needs to be styled differently and highlighted. What I'm trying to do is add some extra spacing before and after these rows so they appear slightly separated from the other rows.
...
Can I access variables from another file?
... In a browser, window is the global scope - so window.colorCodes and the (global) object colorCodes is the same object.
– Piskvor left the building
Jul 14 '10 at 8:22
...
How can I set a website image that will show as preview on Facebook?
... share a link on facebook it will automatically find images on the website and randomly picks one as a preview. How can you influence the preview image? When a person shares the website link on his facebook?
...
Get top n records for each group of grouped results
...have more than two groups, then you would need to specify the group number and add queries for each group:
(
select *
from mytable
where `group` = 1
order by age desc
LIMIT 2
)
UNION ALL
(
select *
from mytable
where `group` = 2
order by age desc
LIMIT 2
)
There are a variet...
Python function as a function argument?
...
Here's another way using *args (and also optionally), **kwargs:
def a(x, y):
print x, y
def b(other, function, *args, **kwargs):
function(*args, **kwargs)
print other
b('world', a, 'hello', 'dude')
Output
hello dude
world
Note that function, *...
How to return value from an asynchronous callback function? [duplicate]
...onse.
If you have a lot of callbacks you might consider taking the plunge and use a promise library like Q.
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