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What is the meaning of the 'g' flag in regular expressions?
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131
g is for global search. Meaning it'll match all occurrences. You'll usually also see i which me...
Border for an Image view in Android?
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edited May 15 '18 at 13:02
Andy
52366 silver badges1818 bronze badges
answered Jul 16 '10 at 11:02
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Checking Bash exit status of several commands efficiently
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32
Don't use $*, it'll fail if any arguments have spaces in them; use "$@" instead. Similarly, put $1 inside the quotes in the echo command.
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How do I expire a PHP session after 30 minutes?
I need to keep a session alive for 30 minutes and then destroy it.
15 Answers
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AddBusinessDays and GetBusinessDays
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134
Latest attempt for your first function:
public static DateTime AddBusinessDays(DateTime date, ...
req.body empty on posts
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In Postman of the 3 options available for content type select "X-www-form-urlencoded" and it should work.
Also to get rid of error message replace:
app.use(bodyParser.urlencoded())
With:
app.use(bodyParser.urlencoded({
extended: true
}));
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Search and replace in Vim across all the project files
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edited Feb 13 '11 at 15:46
nelstrom
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How do I import a specific version of a package using go get?
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13 Answers
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jQuery - Detect value change on hidden input field
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636
So this is way late, but I've discovered an answer, in case it becomes useful to anyone who com...
Drop unused factor levels in a subsetted data frame
...columns in a dataframe, you can use:
subdf <- subset(df, numbers <= 3)
subdf[] <- lapply(subdf, function(x) if(is.factor(x)) factor(x) else x)
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