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Stored procedure slow when called from web, fast from Management Studio
...ariables.
eg. change:
ALTER PROCEDURE [dbo].[sproc]
@param1 int,
AS
SELECT * FROM Table WHERE ID = @param1
to:
ALTER PROCEDURE [dbo].[sproc]
@param1 int,
AS
DECLARE @param1a int
SET @param1a = @param1
SELECT * FROM Table WHERE ID = @param1a
Seems strange, but it fixed my problem.
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Finding median of list in Python
...t though: sorting is much more work in the worst case (Theta(n lg n)) than selecting the median (Theta(n))...
– Jeremy
Jun 11 '19 at 13:33
add a comment
| ...
What are the differences between a clustered and a non-clustered index?
...than a clustered index
Both types of index will improve performance when select data with fields that use the index but will slow down update and insert operations.
Because of the slower insert and update clustered indexes should be set on a field that is normally incremental ie Id or Timestamp.
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Use a LIKE statement on SQL Server XML Datatype
If you have a varchar field you can easily do SELECT * FROM TABLE WHERE ColumnA LIKE '%Test%' to see if that column contains a certain string.
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Get screen width and height in Android
How can I get the screen width and height and use this value in:
29 Answers
29
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How can I configure NetBeans to insert tabs instead of a bunch of spaces?
...it Tab for indenting code, I like to get a real tab. Meaning that when I select that, I only have one large thing selected. NetBeans inserts 5 spaces instead of a tab when I hit Tab . Is there a way I can change that?
...
Select every Nth element in CSS
Is it possible to select, say, every fourth element in a set of elements?
4 Answers
4
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Windows can't find the file on subprocess.call()
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When the command is a shell built-in, add a 'shell=True' to the call.
E.g. for dir you would type:
import subprocess
subprocess.call('dir', shell=True)
To quote from the documentation:
The only time you need to specify shell=True ...
The server principal is not able to access the database under the current security context in SQL Se
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DECLARE @UserName nvarchar(255)
DECLARE orphanuser_cur cursor for
SELECT UserName = su.name
FROM sysusers su
JOIN sys.server_principals sp ON sp.name = su.name
WHERE issqluser = 1 AND
(su.sid IS NOT NULL AND su.sid <> 0x0) AND
suser_sname(su....
/usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.15' not found
...
I'm compiling gcc 4.6 from source, and apparently
sudo make install
didn't catch this one. I dug around and found
gcc/trunk/x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs/libstdc++.so.6.0.15
I copied it in to /usr/lib and redirected libstdc++.so.6 to p...