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How to make connection to Postgres via Node.js
...d 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, $2)", ['John', x]);
x = x - 1;
}
var query = client.query("SE...
How to get a user's client IP address in ASP.NET?
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edited Feb 18 at 10:27
Martin Peck
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answe...
How do you reindex an array in PHP?
...-indexed array.
– Max Hartshorn
Aug 10 '15 at 14:54
It's great, alternatively you can try using array_unshift($arr,''...
How can I comment a single line in XML?
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kojirokojiro
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':app:lintVitalRelease' error when generating signed apk
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edited Jul 10 '18 at 21:06
krishh
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answered May ...
Rails raw SQL example
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HuyHuy
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Oracle Differences between NVL and Coalesce
...AS val
FROM dual
CONNECT BY
level <= 10000
)
This runs for almost 0.5 seconds, since it generates SYS_GUID()'s, despite 1 being not a NULL.
SELECT SUM(val)
FROM (
SELECT COALESCE(1, LENGTH(RAWTOHEX(SYS_GUID()))) AS val
FROM dua...
psycopg2: insert multiple rows with one query
...s located in another city.
I found out that using this method was about 10 times faster than executemany. In my case tup is a tuple containing about 2000 rows. It took about 10 seconds when using this method:
args_str = ','.join(cur.mogrify("(%s,%s,%s,%s,%s,%s,%s,%s,%s)", x) for x in tup)
cur.ex...
What to do Regular expression pattern doesn't match anywhere in string?
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108
Contrary to all the answers here, for what you're trying to do regex is a perfectly valid solu...
What exactly is Type Coercion in Javascript?
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