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Simple way to transpose columns and rows in SQL?
...e
([color], [Paul], [John], [Tim], [Eric])
VALUES
('Red', 1, 5, 1, 3),
('Green', 8, 4, 3, 5),
('Blue', 2, 2, 9, 1);
Union All, Aggregate and CASE Version:
select name,
sum(case when color = 'Red' then value else 0 end) Red,
sum(case when color = 'Green' then value else 0 end) ...
Python Nose Import Error
...nd_curses
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Is there XNOR (Logical biconditional) operator in C#?
...lso that this doesn't generalize to bitwise operations, where you want 0x1234 XNOR 0x5678 == 0xFFFFBBB3 (assuming 32 bits). For that, you need to build up from other operations, like ~(A^B). (Note: ~, not !.)
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Bootstrap table without stripe / borders
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answered Aug 6 '13 at 9:18
Brett HendersonBrett Henderson
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WebSocket with SSL
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173
The WebSocket connection starts its life with an HTTP or HTTPS handshake. When the page is acces...
What does the arrow operator, '->', do in Java?
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134
That's part of the syntax of the new lambda expressions, to be introduced in Java 8. There are ...
css rotate a pseudo :after or :before content:“”
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370
Inline elements can't be transformed, and pseudo elements are inline by default, so you must a...
What is Castle Windsor, and why should I care?
I'm a long-time Windows developer, having cut my teeth on win32 and early COM. I've been working with .NET since 2001, so I'm pretty fluent in C# and the CLR. I'd never heard of Castle Windsor until I started participating in Stack Overflow. I've read the Castle Windsor "Getting Started" guide, b...
How to count occurrences of a column value efficiently in SQL?
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263
This should work:
SELECT age, count(age)
FROM Students
GROUP by age
If you need the id a...
How to see full symlink path
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edited Feb 14 '14 at 12:34
answered Apr 15 '13 at 14:32
I...
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