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Why does NULL = NULL evaluate to false in SQL server
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edited Dec 3 '09 at 22:58
answered Dec 3 '09 at 22:30
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AngularJS - wait for multiple resource queries to complete
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How to succinctly write a formula with many variables from a data frame?
... the . identifier.
y <- c(1,4,6)
d <- data.frame(y = y, x1 = c(4,-1,3), x2 = c(3,9,8), x3 = c(4,-4,-2))
mod <- lm(y ~ ., data = d)
You can also do things like this, to use all variables but one (in this case x3 is excluded):
mod <- lm(y ~ . - x3, data = d)
Technically, . means all ...
How to get just the responsive grid from Bootstrap 3?
...ttp://getbootstrap.com/customize/ and toggle just what you want from the BS3 framework and then click "Compile and Download" and you'll get the CSS and JS that you chose.
Open up the CSS and remove all but the grid. They include some normalize stuff too. And you'll need to adjust all the styles o...
Enable Vim Syntax Highlighting By Default
... system (Arch Linux, and Mac, thanks @totophe), it's in /usr/share/vim/vim73.
On Windows, it's in \Program Files\Vim\vim73.
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Base64 Decoding in iOS 7+
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Swift 3+
let plainString = "foo"
Encoding
let plainData = plainString.data(using: .utf8)
le...
python: how to identify if a variable is an array or a scalar
...o make a call to this function with a scalar 50 or an array [0, 10, 20, 30] . How can I identify within the function, what the length of NBins is? or said differently, if it is a scalar or a vector?
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How to make clang compile to llvm IR
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edited Nov 24 '13 at 18:05
answered Feb 5 '12 at 12:56
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How to declare an array in Python?
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variable = []
Now variable refers to an empty list*.
Of course this is an assignment, not a...
CSS Selector that applies to elements with two classes
...attribute being set to two specific classes. For example, let's say I have 3 divs:
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