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Overriding a Rails default_scope

...ed_at desc') end Foo.reorder('created_at asc') runs the following SQL: SELECT * FROM "foos" ORDER BY created_at asc share | improve this answer | follow |...
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Postgres NOT in array

... SELECT COUNT(*) FROM "messages" WHERE NOT (3 = ANY (recipient_ids)) You can always negate WHERE (condition) with WHERE NOT (condition) share ...
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java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener

...rties (e.g., right-click on the project's name in the project explorer and select "Properties"). Select "Deployment Assembly". Click the "Add..." button on the right margin. Select "Java Build Path Entries" from the menu of Directive Type and click "Next". Select "Maven Dependencies" from the Java B...
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What does the @ symbol represent in objective-c?

... The @ character isn't used in C or C++ identifiers, so it's used to introduce Objective-C language keywords in a way that won't conflict with the other languages' keywords. This enables the "Objective" part of the language to free...
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Set up DNS based URL forwarding in Amazon Route53 [closed]

...r this guide, I'll use the name "url-redirect-example.vivekmchawla.com". Select whatever region works best for you. If you don't know, keep the default. Don't worry about setting up logging. Just click the "Create" button when you're ready. Step 3: Enable Static Website Hosting and Specify...
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Copy Notepad++ text with formatting?

... Here is an image from notepad++ when you select text to copy as html. and how the formatted text looks like after pasting it in OneNote (similar to any other app that supports "Paste Special"): ...
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Literal suffix for byte in .NET?

...t does 0xFFB mean?) and even if we had a solution for that, or another character than 'B' ('Y' was considered, F# uses this) no one could remember whether the default was signed or unsigned - .NET bytes are unsigned by default so it would make sense to pick B and SB but all the other suffi...
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How to remove a column from an existing table?

...lete a column from an unexisting table ;-) BEGIN TRANSACTION IF exists (SELECT * FROM sys.columns c INNER JOIN sys.objects t ON (c.[object_id] = t.[object_id]) WHERE t.[object_id] = OBJECT_ID(N'[dbo].[MyTable]') AND c.[name] = 'ColumnName') BEGIN TRY ALTER TABLE [dbo].[MyTable] DRO...
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MySQL dump by query

... not mysqldump, but mysql cli... mysql -e "select * from myTable" -u myuser -pxxxxxxxxx mydatabase you can redirect it out to a file if you want : mysql -e "select * from myTable" -u myuser -pxxxxxxxx mydatabase > mydumpfile.txt Update: Original post asked if...
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Definitive way to trigger keypress events with jQuery

... In case you need to take into account the current cursor and text selection... This wasn't working for me for an AngularJS app on Chrome. As Nadia points out in the original comments, the character is never visible in the input field (at least, that was my experience). In addition, the pre...