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Node.js client for a socket.io server
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answered May 22 '12 at 14:05
alessioalexalessioalex
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AngularJS: disabling all form controls between submit and server response
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2 Answers
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Xcode Product -> Archive disabled
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pkamb
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answered Sep 13 '13 at 17:09
wiseindywi...
Regex: Specify “space or start of string” and “space or end of string”
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edited Apr 17 '19 at 23:09
Chuck Le Butt
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font-style: italic vs oblique in CSS
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274
In the purest (type designer) sense, an oblique is a roman font that has been skewed a certain...
Java 8 method references: provide a Supplier capable of supplying a parameterized result
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525
Sure.
.orElseThrow(() -> new MyException(someArgument))
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MySQL: how to get the difference between two timestamps in seconds
... and the TIME_TO_SEC() functions as follows:
SELECT TIME_TO_SEC(TIMEDIFF('2010-08-20 12:01:00', '2010-08-20 12:00:00')) diff;
+------+
| diff |
+------+
| 60 |
+------+
1 row in set (0.00 sec)
You could also use the UNIX_TIMESTAMP() function as @Amber suggested in an other answer:
SELECT UNIX_...
How do I pipe a subprocess call to a text file?
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2 Answers
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Ball to Ball Collision - Detection and Handling
...s, the new velocities can be calculated using the equations (where v1 and v2 are the velocities after the collision, and u1, u2 are from before):
If the balls have the same mass then the velocities are simply switched. Here's some code I wrote which does something similar:
void Simulation::c...