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Rails: Default sort order for a rails model?
I would like to specify a default sort order in my model.
3 Answers
3
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What's the best way to trim std::string?
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if you change the order in trim, i.e. make it rtrim(ltrim(s, t), t) it will be slightly more efficient
– CITBL
Jan 7 '19 at 18:31
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Querying DynamoDB by date
...older then some specific date using scan, but you can't get them in sorted order. GSI won't help you in this case. It's not possible to sort partition key, nor is it possible to query only range key.
– gkiko
Nov 27 '15 at 10:57
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How do I create a self-signed certificate for code signing on Windows?
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As stated in the answer, in order to use a non deprecated way to sign your own script, one should use New-SelfSignedCertificate.
Generate the key:
New-SelfSignedCertificate -DnsName email@yourdomain.com -Type CodeSigning -CertStoreLocation cert:\C...
Commands executed from vim are not recognizing bash command aliases
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dreftymac wrote: "In order to get this to work for me, it was necessary to do -lic option, otherwise vim returned 'command not found'"
– dreftymac
Sep 26 '12 at 20:12
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How to delete the top 1000 rows from a table using Sql Server 2008?
...ct two statements. A DELETE followed by a SELECT.
You don't define TOP as ordered by what.
For a specific ordering criteria deleting from a CTE or similar table expression is the most efficient way.
;WITH CTE AS
(
SELECT TOP 1000 *
FROM [mytab]
ORDER BY a1
)
DELETE FROM CTE
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Implement paging (skip / take) functionality with this query
... 2012 it is very very easy
SELECT col1, col2, ...
FROM ...
WHERE ...
ORDER BY -- this is a MUST there must be ORDER BY statement
-- the paging comes here
OFFSET 10 ROWS -- skip 10 rows
FETCH NEXT 10 ROWS ONLY; -- take 10 rows
If we want to skip ORDER BY we can use
SELECT col1, col...
Python list sort in descending order
How can I sort this list in descending order?
6 Answers
6
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SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
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This is how use SignarR in order to target a specific user (without using any provider):
private static ConcurrentDictionary<string, string> clients = new ConcurrentDictionary<string, string>();
public string Login(string username)
{
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Drop all the tables, stored procedures, triggers, constraints and all the dependencies in one sql st
...= (SELECT TOP 1 [name] FROM sysobjects WHERE [type] = 'P' AND category = 0 ORDER BY [name])
WHILE @name is not null
BEGIN
SELECT @SQL = 'DROP PROCEDURE [dbo].[' + RTRIM(@name) +']'
EXEC (@SQL)
PRINT 'Dropped Procedure: ' + @name
SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WH...