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How to test an SQL Update statement before running it?
...e as the UPDATE.
So if you UPDATE is
UPDATE foo
SET bar = 42
WHERE col1 = 1
AND col2 = 'foobar';
The following will show you which rows will be updated:
SELECT *
FROM foo
WHERE col1 = 1
AND col2 = 'foobar';
shar...
XML schema or DTD for logback.xml?
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edited Jul 4 '17 at 10:25
answered Dec 24 '12 at 20:37
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How can I calculate the time between 2 Dates in typescript
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160
Use the getTime method to get the time in total milliseconds since 1970-01-01, and subtract th...
How to get maximum value from the Collection (for example ArrayList)?
...aximum value in this list. E.g. suppose the arrayList stored values are : 10, 20, 30, 40, 50 and the max
value would be 50 .
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Is it correct to use JavaScript Array.sort() method for shuffling?
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12 Answers
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Dealing with “Xerces hell” in Java/Maven?
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How to parse JSON in Python?
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Very simple:
import json
data = json.loads('{"one" : "1", "two" : "2", "three" : "3"}')
print data['two']
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How much size “Null” value takes in SQL Server
I have a large table with say 10 columns. 4 of them remains null most of the times. I have a query that does null value takes any size or no size in bytes. I read few articles some of them are saying :
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How do I find the next commit in git? (child/children of ref)
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