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What is the difference between quiet NaN and signaling NaN?
...FPU. Whether the exception is thrown depends on the state of the FPU.
C++11 adds a few language controls over the floating-point environment and provides standardized ways to create and test for NaNs. However, whether the controls are implemented is not well standardized and floating-point except...
What is the javascript filename naming convention? [closed]
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One possible naming convention is to use something similar to the naming scheme jQuery uses. I...
Get second child using jQuery
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grab the second child:
$(t).children().eq(1);
or, grab the second child <td>:
$(t).children('td').eq(1);
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Divide a number by 3 without using *, /, +, -, % operators
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How to update Ruby to 1.9.x on Mac?
... on my mac and I am trying to update to the current version of ruby on it (1.9.2) from the snow leopard default of 1.8.7. Can somebody point me to tutorial or explain the best method to update Ruby on my mac from 1.8 to 1.9.2? Thanks
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TortoiseSVN icons not showing up under Windows 7
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Reshaping data.frame from wide to long format
... idvar = c("Code", "Country"),
timevar = "Year",
times = 1950:1954)
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Uncaught TypeError: Cannot read property 'msie' of undefined - jQuery tools
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Factors in R: more than an annoyance?
... same. However, you end up with warnings in your code:
lm(Petal.Length ~ -1 + Species, data=iris)
# Call:
# lm(formula = Petal.Length ~ -1 + Species, data = iris)
# Coefficients:
# Speciessetosa Speciesversicolor Speciesvirginica
# 1.462 4.260 5.552 ...