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CREATE TABLE IF NOT EXISTS equivalent in SQL Server [duplicate]
... into an answer ;)
– MaxU
Apr 20 at 10:32
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show 2 more comments
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Where is the WPF Numeric UpDown control?
... this control allows vertical stretching, which is harmless but it looks a bit silly. Note that the solution in Sonorx's answer does not have these issues.
– jrh
Nov 13 '17 at 13:54
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What does Java option -Xmx stand for? [duplicate]
java -Xmx1024m filename
5 Answers
5
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How to apply multiple styles in WPF
.... I also have a separate style which I would like to add to it without blowing away the first one. The styles have different TargetTypes, so I can't just extend one with the other.
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Concat scripts in order with Gulp
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Yeah, this was more just an additional bit of help. It's most useful when you need or want your core application code to come in after everything else is loaded. There's no reason to use it (!(foobar)) if you've included a specific file beforehand.
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updating table rows in postgres using subquery
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it seems that i'm trying for a bit different thing for eg. if there are 3 bool columns c1,c2,c3 all set to false initially. but based on subquery are set to true. update set c1=TRUE where id in (subquery1),set c2=TRUE where id in (subquery2), set c3=True w...
How to use the pass statement?
...eful for a few things that don't involve place-holding.
For example, in a bit of code I worked on just recently, it was necessary to divide two variables, and it was possible for the divisor to be zero.
c = a / b
will, obviously, produce a ZeroDivisionError if b is zero. In this particular situa...
Coalesce function for PHP?
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The only way to get safe "falsy-coalesce" is to use a bit of both: ($_GET['doesNotExist'] ?? null) ?: 'fallback'
– Nathan Baulch
Jul 18 '17 at 1:37
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How to sort a dataframe by multiple column(s)
...+b, data=dd),times=1000)
Median time: 1,694
Note that doBy takes a good bit of time to load the package.
library(Deducer)
microbenchmark(sortData(dd,c("z","b"),increasing= c(FALSE,TRUE)),times=1000)
Couldn't make Deducer load. Needs JGR console.
esort <- function(x, sortvar, ...) {
attach...
How to generate random SHA1 hash to use as ID in node.js?
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This was also a great answer Gabi, and just a tiny bit faster, about 15%. Great job both! I actually like to see a Date() in the salt, it gives a developer easy confidence that this will be unique value in all but the most insane parallel computing situations. I know its sill...
