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How do I automatically update a timestamp in PostgreSQL
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203
To populate the column during insert, use a DEFAULT value:
CREATE TABLE users (
id serial n...
Get value from JToken that may not exist (best practices)
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214
This is pretty much what the generic method Value() is for. You get exactly the behavior you w...
What is this CSS selector? [class*=“span”]
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edited Apr 18 '15 at 18:29
answered Mar 23 '12 at 8:43
is...
How to check if a file is a valid image file?
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answered May 20 '09 at 17:58
Brian R. BondyBrian R. Bondy
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What is the purpose of XORing a register with itself? [duplicate]
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Yes, it is more efficient.
The opcode is shorter than mov eax, 0, only 2 bytes, and the processor recognizes the special case and treats it as a mov eax, 0 without a false read dependency on eax, so the execution time is the same.
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What's the difference of strings within single or double quotes in groovy?
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Git pull results in extraneous “Merge branch” messages in commit log
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pokepoke
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Getting hold of the outer class object from the inner class object
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edited Feb 10 '18 at 22:34
jihor
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answered Nov 29 '09 at 1...
Disabling user selection in UIWebView
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Why is the Android test runner reporting “Empty test suite”?
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