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apc vs eaccelerator vs xcache
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answered May 31 '09 at 0:28
David Snabel-CauntDavid Snabel-Caunt
55.4k1212 gold badges107107 silver badges132132 bronze badges
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FIND_IN_SET() vs IN()
... to the first non-digit (a comma in your case).
Thus,
companyID IN ('1,2,3') ≡ companyID IN (CAST('1,2,3' AS INT)) ≡ companyID IN (1)
In PostgreSQL, you could cast the string into array (or store it as an array in the first place):
SELECT name
FROM orders
JOIN company
ON company...
How to get cumulative sum
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230
select t1.id, t1.SomeNumt, SUM(t2.SomeNumt) as sum
from @t t1
inner join @t t2 on t1.id >= t...
Fastest hash for non-cryptographic uses?
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13 Answers
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Gmail Error :The SMTP server requires a secure connection or the client was not authenticated. The s
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203
This generally happens when you try login from different time zone or IP Address Computer. Your ...
When is SQLiteOpenHelper onCreate() / onUpgrade() run?
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359
SQLiteOpenHelper onCreate() and onUpgrade() callbacks are invoked when the database is actuall...
What is the best way to convert an array to a hash in Ruby
...y keys or values!
Building on @John Topley's popular answer, let's try:
a3 = [ ['apple', 1], ['banana', 2], [['orange','seedless'], 3] ]
h3 = Hash[*a3.flatten]
This throws an error:
ArgumentError: odd number of arguments for Hash
from (irb):10:in `[]'
from (irb):10
The constru...
Redirect website after certain amount of time
... a function on a website where it says it will redirect you to the site in 3 seconds or so?
7 Answers
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Simple basic explanation of a Distributed Hash Table (DHT)
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3 Answers
3
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