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Eager load polymorphic
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209
My guess is that your models look like this:
class User < ActiveRecord::Base
has_many :re...
What are the rules for evaluation order in Java?
...So now you have enough information to answer your question. In a[b] = b = 0 the rules of associativity say that this is a[b] = (b = 0); but that does not mean that the b=0 runs first! The rules of precedence say that indexing is higher precedence than assignment, but that does not mean that the ind...
What is the 'cls' variable used for in Python classes?
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303
The distinction between "self" and "cls" is defined in PEP 8 . As Adrien said, this is not a ma...
Confirm deletion in modal / dialog using Twitter Bootstrap?
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403
GET recipe
For this task you can use already available plugins and bootstrap extensions. Or yo...
Can an AJAX response set a cookie?
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answered Jul 27 '10 at 4:46
this. __curious_geekthis. __curious_geek
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Why #egg=foo when pip-installing from git repo
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answered Aug 6 '12 at 20:33
Will AydWill Ayd
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How to serialize a JObject without the formatting?
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edited Jan 30 '15 at 20:10
answered Feb 21 '09 at 3:27
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Maintain git repo inside another git repo
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110
It sounds like you want to use Git submodules.
Git addresses this issue using submodules. Su...
unresolved reference to object [INFORMATION_SCHEMA].[TABLES]
... SamSam
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6
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Omit rows containing specific column of NA
... put it into a function thusly:
DF <- data.frame(x = c(1, 2, 3), y = c(0, 10, NA), z=c(NA, 33, 22))
completeFun <- function(data, desiredCols) {
completeVec <- complete.cases(data[, desiredCols])
return(data[completeVec, ])
}
completeFun(DF, "y")
# x y z
# 1 1 0 NA
# 2 2 10 33
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