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Does “\d” in regex mean a digit?
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[0-9] is not always equivalent to \d. In python3, [0-9] matches only 0123456789 characters, while \d matches [0-9] and other digit characters, for example Eastern Arabic numerals ٠١٢٣٤٥٦٧٨٩.
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How do I “undo” a --single-branch clone?
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+50
You can tell Git to pull all branches like this:
git config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*"
git fetch origi...
How to change string into QString?
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answered Nov 29 '09 at 0:00
Kamil SzotKamil Szot
14.7k66 gold badges5353 silver badges6262 bronze badges
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What is the purpose of setting a key in data.table?
...e other vignettes that we plan to.
I've updated this answer again (Feb 2016) in light of the new on= feature that allows ad-hoc joins as well. See history for earlier (outdated) answers.
What exactly does setkey(DT, a, b) do?
It does two things:
reorders the rows of the data.table DT by the...
How to make connection to Postgres via Node.js
... executed one after another once the connection becomes available
var x = 1000;
while (x > 0) {
client.query("INSERT INTO junk(name, a_number) values('Ted',12)");
client.query("INSERT INTO junk(name, a_number) values($1, $2)", ['John', x]);
x = x - 1;
}
var query = client.query("SEL...
NodeJS: How to get the server's port?
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});
// Only listen on $ node app.js
if (!module.parent) {
app.listen(3000);
console.log("Express server listening on port %d", app.address().port)
}
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How to add System.Windows.Interactivity to project?
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10 Answers
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close vs shutdown socket?
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edited Feb 14 at 9:08
red0ct
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answered Nov...
How to convert Set to String[]?
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edited Apr 13 '18 at 13:05
Alexander Farber
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How to add a WiX custom action that happens only on uninstall (via MSI)?
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nelsonjchen
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answered Apr 8 '09 at 20:34
yalunayaluna
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