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Breaking out of a nested loop
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209
Well, goto, but that is ugly, and not always possible. You can also place the loops into a meth...
List distinct values in a vector in R
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answered Oct 13 '11 at 14:08
csgillespiecsgillespie
52.3k1313 gold badges127127 silver badges169169 bronze badges
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Best practices/guidance for maintaining assembly version numbers
...context we use TeamCity and Subversion/Git. TeamCity is free for a small (10) number of projects and is a very good build server but there are others, some of which are completely free.
What a version number means
What a version means to one person may mean something different to another, the gene...
MySQL ON vs USING?
...lid to just say film_id since that would make for an ambiguity:
ERROR 1052 (23000): Column 'film_id' in field list is ambiguous
As for select *, the joining column appears in the result set twice with ON while it appears only once with USING:
mysql> create table t(i int);insert t select 1...
Python how to write to a binary file?
...do that.
Python 3.x:
>>> bytearray(newFileBytes)
bytearray(b'{\x03\xff\x00d')
>>> bytes(newFileBytes)
b'{\x03\xff\x00d'
Python 2.x:
>>> bytearray(newFileBytes)
bytearray(b'{\x03\xff\x00d')
>>> bytes(newFileBytes)
'[123, 3, 255, 0, 100]'
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How do I check if a Sql server string is null or empty
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edited Mar 27 '15 at 10:32
answered Jul 13 '10 at 8:19
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rails 3 validation on uniqueness on multiple attributes
I use Rails 3.0.0.beta4
3 Answers
3
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How to sleep for five seconds in a batch file/cmd [duplicate]
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30 Answers
30
Active
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Random Gaussian Variables
...rand = new Random(); //reuse this if you are generating many
double u1 = 1.0-rand.NextDouble(); //uniform(0,1] random doubles
double u2 = 1.0-rand.NextDouble();
double randStdNormal = Math.Sqrt(-2.0 * Math.Log(u1)) *
Math.Sin(2.0 * Math.PI * u2); //random normal(0,1)
double randNormal =...
How to wait for 2 seconds?
...e required string format.
This will wait for 2 seconds:
WAITFOR DELAY '00:00:02';
The format is hh:mi:ss.mmm.
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