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SQL Server - stop or break execution of a SQL script
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Warning message: In `…` : invalid factor level, NA generated
...of 2 variables:
$ Type : Factor w/ 1 level "": NA 1 1
$ Amount: chr "100" "0" "0"
>
> fixed <- data.frame("Type" = character(3), "Amount" = numeric(3),stringsAsFactors=FALSE)
> fixed[1, ] <- c("lunch", 100)
> str(fixed)
'data.frame': 3 obs. of 2 variables:
$ Type : chr ...
Coalesce function for PHP?
...sce function (returns the first non-NULL value, example ). PHP, sadly in 2009, does not.
9 Answers
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Not showing placeholder for input type=“date” field
... edited Feb 26 at 14:58
j08691
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answered Dec 3 '13 at 4:53
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Using OpenSSL what does “unable to write 'random state'” mean?
...ilename is known because neither RANDFILE nor HOME is set. (Versions up to 0.9.6 used file ".rnd" in the current directory in this case, but this has changed with 0.9.6a.)
So I would check RANDFILE, HOME, and permissions to write to those places in the filesystem.
If everything seems to be in or...
np.mean() vs np.average() in Python NumPy?
...eturned: #returned is another optional argument
scl = np.multiply(avg, 0) + scl
return avg, scl
else:
return avg
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Numpy where function multiple conditions
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204
The best way in your particular case would just be to change your two criteria to one criterion...
Bash Templating: How to build configuration files from templates with Bash?
...bash
while read -r line ; do
while [[ "$line" =~ (\$\{[a-zA-Z_][a-zA-Z_0-9]*\}) ]] ; do
LHS=${BASH_REMATCH[1]}
RHS="$(eval echo "\"$LHS\"")"
line=${line//$LHS/$RHS}
done
echo "$line"
done
. Solution that does not hang if RHS references some variable that referen...
Is it possible to reference one CSS rule within another?
...ating them with a comma).
.opacity, .someDiv {
filter:alpha(opacity=60);
-moz-opacity:0.6;
-khtml-opacity: 0.6;
opacity: 0.6;
}
.radius, .someDiv {
border-top-left-radius: 15px;
border-top-right-radius: 5px;
-moz-border-radius-topleft: 10px;
-moz-border-radius-topr...
Best way to implement Enums with Core Data
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130
You'll have to create custom accessors if you want to restrict the values to an enum. So, first ...