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How to get the top 10 values in postgresql?
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For this you can use limit
select *
from scores
order by score desc
limit 10
If performance is important (when is it not ;-) look for an index on score.
Starting with version 8.4, you can also use the standard (SQL:2008) fetch first
select *
from scores
order by scor...
How can I automate the “generate scripts” task in SQL Server Management Studio 2008?
...id (users are converted to roles, constraints are not created in the right order), but it is not a solution for me because it doesn't script objects to different files like the Tasks->Generate Scripts option in SSMS does. I'm currently using a modified version of Scriptio (uses the MS SMO API) to...
How to make ng-repeat filter out duplicate results
...nd use it directly in the ng-options (or ng-repeat).
<select ng-model="orderProp" ng-options="place.category for place in places | unique:'category'">
<option value="0">Default</option>
// unique options from the categories
</select>
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Return 0 if field is null in MySQL
... Would that be IFNULL((SELECT SUM(uop.price * uop.qty) FROM uc_order_products uop WHERE uo.order_id = uop.order_id) AS products_subtotal, 0)?
– Kevin
Oct 22 '10 at 13:46
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Should I impose a maximum length on passwords?
... treat only the first 256/1024/2k/4k/(whatever) bytes as "significant", in order to avoid crunching on mammoth passwords.]
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$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Hash collision in git
... SIMILAR" point, which is a really good point. It basically means that in order to have 2 commits with the same hash, you would need to change a significant portion of the characters in every single file (not to mention the file names, paths and the number of files).
– PieterN...
Visual List of iOS Fonts?
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About Android image and asset sizes
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System.currentTimeMillis vs System.nanoTime
...fferent threads. Even if the events of the threads happen in a predictable order, the difference in nanoseconds can be positive or negative.
System.currentTimeMillis() is safe for use between threads.
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