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mysql - how many columns is too many?
...able structure should reflect your domain model; if you really do have 70 (100, what have you) attributes that belong to the same entity there's no reason to separate them into multiple tables.
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How to compare types
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– Brent Waggoner
Jan 12 '15 at 18:10
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Round a double to 2 decimal places [duplicate]
...) throw new IllegalArgumentException();
long factor = (long) Math.pow(10, places);
value = value * factor;
long tmp = Math.round(value);
return (double) tmp / factor;
}
This breaks down badly in corner cases with either a very high number of decimal places (e.g. round(1000.0d, 17)...
Can I get CONST's defined on a PHP class?
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Tom HaighTom Haigh
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What is the HEAD in git?
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answered Mar 27 '10 at 16:20
pokepoke
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How to compare arrays in C#? [duplicate]
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answered Feb 10 '12 at 6:33
AMingAMing
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Check if database exists in PostgreSQL using shell
...name='DB_NAME'" template1
– jan
Jul 10 at 9:24
In cygwin psql adds strange control characters to the output ('1\C-M') ...
How to wait for a keypress in R?
...}
onKeybd <- function(key)
{
keyPressed <<- key
}
xaxis=c(1:10) # Set up the x-axis.
yaxis=runif(10,min=0,max=1) # Set up the y-axis.
plot(xaxis,yaxis)
for (i in xaxis)
{
# On each keypress, color the points on the graph in red, one by one.
points(i,yaxis[i],col="red", pch=19...
Statistics: combinations in Python
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answered Jun 11 '10 at 18:29
Jouni K. SeppänenJouni K. Seppänen
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Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array
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Zameer Ansari
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answered May 8 '09 at 16:54
swilliamsswilliams
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