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“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
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answered Feb 14 '09 at 5:51
Bill KarwinBill Karwin
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How do I add a bullet symbol in TextView?
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GreenROBO
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answered Aug 7 '10 at 7:56
Benny SkogbergBenn...
JavaScript function to add X months to a date
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edited Mar 4 at 11:28
Ben Aston
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What is tail recursion?
...function that adds the first N natural numbers. (e.g. sum(5) = 1 + 2 + 3 + 4 + 5 = 15).
Here is a simple JavaScript implementation that uses recursion:
function recsum(x) {
if (x === 1) {
return x;
} else {
return x + recsum(x - 1);
}
}
If you called recsum(5), this i...
How to display gpg key details without importing it?
... to do -- and for key data, this is printing a summary on the key:
$ gpg a4ff2279.asc
gpg: WARNING: no command supplied. Trying to guess what you mean ...
pub rsa8192 2012-12-25 [SC]
0D69E11F12BDBA077B3726AB4E1F799AA4FF2279
uid Jens Erat (born 1988-01-19 in Stuttgart, Germany)
ui...
How to use pull to refresh in Swift?
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answered Jun 29 '14 at 12:32
Anil VargheseAnil Varghese
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How to Vertical align elements in a div?
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Konrad RudolphKonrad Rudolph
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NodeJS: How to get the server's port?
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164
Express 4.x answer:
Express 4.x (per Tien Do's answer below), now treats app.listen() as an asy...
How to close tag properly?
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4
It is correct that <img /> is valid in [X]HTML/XML, though the use of XHTML is very rare nowadays and if your server is serving the pa...
Best way to alphanumeric check in JavaScript
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4
of course this assumes that that the empty string ("") should not be matched.
– zzzzBov
Dec 13 '10 at...