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Unique (non-repeating) random numbers in O(1)?
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22 Answers
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ImportError: No module named six
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edited Jan 5 '14 at 2:39
Uli Köhler
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a...
Is there a way to call a stored procedure with Dapper?
...new DynamicParameters();
p.Add("@a", 11);
p.Add("@b", dbType: DbType.Int32, direction: ParameterDirection.Output);
p.Add("@c", dbType: DbType.Int32, direction: ParameterDirection.ReturnValue);
cnn.Execute("spMagicProc", p, commandType: CommandType.StoredProcedure);
int b = p.Get<int>("...
Print “hello world” every X seconds
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answered Oct 16 '12 at 6:05
Rohit JainRohit Jain
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What's the difference between design patterns and architectural patterns?
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answered Nov 22 '10 at 7:56
pyfuncpyfunc
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How to give Jenkins more heap space when it´s started as a service under Windows?
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answered May 9 '11 at 12:00
dunnidunni
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UTF-8, UTF-16, and UTF-32
What are the differences between UTF-8, UTF-16, and UTF-32?
12 Answers
12
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“Treat all warnings as errors except…” in Visual Studio
...yGroup>
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<WarningsNotAsErrors>618,1030,1701,1702</WarningsNotAsErrors>
</PropertyGroup>
Note: 612 and 618 are both warnings about Obsolete, don't know the difference but the project i'm working on is reporting Obsolete with warning 618.
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Printf width specifier to maintain precision of floating-point value
...IG;
double OneSeventh = 1.0/7.0;
printf("%.*e\n", Digs, OneSeventh);
// 1.428571428571428492127e-01
But let's dig deeper ...
Mathematically, the answer is "0.142857 142857 142857 ...", but we are using finite precision floating point numbers.
Let's assume IEEE 754 double-precision binary.
So t...
How to force R to use a specified factor level as reference in a regression?
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See the relevel() function. Here is an example:
set.seed(123)
x <- rnorm(100)
DF <- data.frame(x = x,
y = 4 + (1.5*x) + rnorm(100, sd = 2),
b = gl(5, 20))
head(DF)
str(DF)
m1 <- lm(y ~ x + b, data = DF)
summary(m1)
Now alter the factor b...