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Avoid duplicates in INSERT INTO SELECT query in SQL Server
...
Using NOT EXISTS:
INSERT INTO TABLE_2
(id, name)
SELECT t1.id,
t1.name
FROM TABLE_1 t1
WHERE NOT EXISTS(SELECT id
FROM TABLE_2 t2
WHERE t2.id = t1.id)
Using NOT IN:
INSERT INTO TABLE_2
(id, name)
SELECT t1.id,
t1.name
F...
Is there an MD5 Fixed Point where md5(x) == x?
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138
Since an MD5 sum is 128 bits long, any fixed point would necessarily also have to be 128 bits ...
Difference between a Seq and a List in Scala
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418
In Java terms, Scala's Seq would be Java's List, and Scala's List would be Java's LinkedList.
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How to check if element in groovy array/hash/collection/list?
...f an array contains an element?
I thought there might be something like [1, 2, 3].includes(1) which would evaluate as true .
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C# short/long/int literal format?
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315
var d = 1.0d; // double
var d0 = 1.0; // double
var d1 = 1e+3; // double
var d2 = 1e-3; /...
Which is better option to use for dividing an integer number by 2?
...ent results for negative integers. For example:
-5 / 2 = -2
-5 >> 1 = -3
(ideone)
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