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SQL join on multiple columns in same tables
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206
Join like this:
ON a.userid = b.sourceid AND a.listid = b.destinationid;
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Git merge left HEAD marks in my files
...D <-+ remove the bits here
digits:[0-9]+ |
{ return digits.join(""); } |
======= <-+
sign:"-"* digits:[0-9]+
{ return sign + digits.join(""); }
>>>&...
MySQL WHERE: how to write “!=” or “not equals”?
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answered Jul 10 '12 at 20:53
RolandoMySQLDBARolandoMySQLDBA
40.6k1515 gold badges8181 silver badges124124 bronze badges
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Size of character ('a') in C/C++
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edited Dec 9 '13 at 18:02
Eric Postpischil
121k99 gold badges123123 silver badges224224 bronze badges
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Get all elements but the first from an array
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answered Apr 9 '10 at 21:49
LBushkinLBushkin
117k3030 gold badges204204 silver badges254254 bronze badges
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Get an element by index in jQuery
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answered Mar 27 '12 at 10:18
gdoron is supporting Monicagdoron is supporting Monica
132k4848 gold badges268268 silver badges333333 bronze badges
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Show all Elasticsearch aggregation results/buckets and not just 10
... all buckets on an aggregation, but it seems to be showing only the first 10.
4 Answers
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Define all functions in one .R file, call them from another .R file. How, if possible?
...lt;- barXYZ(x)+1
return(k)
}
barABC <- function(x){
k <- x+30
return(k)
}
and xyz.R is this:
fooXYZ <- function(x) {
k <- fooABC(x)+1
return(k)
}
barXYZ <- function(x){
k <- barABC(x)+20
return(k)
}
then,
> source("abc.R")
> source("xyz.R"...
Increment a database field by 1
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answered May 4 '10 at 4:41
SampsonSampson
246k6868 gold badges506506 silver badges547547 bronze badges
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Do Git tags only apply to the current branch?
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If you create a tag by e.g.
git tag v1.0
the tag will refer to the most recent commit of the branch you are currently on. You can change branch and create a tag there.
You can also just refer to the other branch while tagging,
git tag v1.0 name_of_other_branch...