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Return Boolean Value on SQL Select Statement

... AS bool part is very important): CAST( CASE WHEN EXISTS ( SELECT * FROM mytable WHERE mytable.id = 1) THEN TRUE ELSE FALSE END AS bool) AS nameofmycolumn – Lucio Mollinedo Nov 29 '18 at 23:48 ...
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How do I set up email confirmation with Devise?

...vise call class User < ActiveRecord::Base devise :database_authenticatable, :confirmable ... end 2. Make sure you add confirmable to the user migration create_table :users do |t| t.database_authenticatable t.confirmable ... end If you're using devise 2.0+ this fails because devise n...
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Responsive image align center bootstrap 3

I do a catalog using Bootstrap 3. When displayed on tablets, the product images look ugly because of their small size (500x500) and a width of 767 pixels in the browser. I want to put the image in the center of the screen, but for some reason I can not. Who be will help solve the problem? ...
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How to try convert a string to a Guid [duplicate]

...ing API and you wanna filter something by Guid (since its primary key in a table) what will you send from the front in a request? Most likely a string in URL, but on back in the controller you would most like wanna use it as Guid. As for speed comparison: stackoverflow.com/questions/713109/… ...
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Reset/remove CSS styles for element only

...: '\201C' '\201D' '\2018' '\2019'; right : auto; tab-size : 8; table-layout : auto; text-align : inherit; text-align-last : auto; text-decoration : none; text-decoration-color : inherit; text-decoration-line : none; text-decoration-style : solid; text-indent :...
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Learning about LINQ [closed]

...ections in LINQ to SQL queries Delay loading a property in LINQ to SQL Use table-valued functions with eager loading turned on Put joins in the correct order in a LINQ to Objects query Compose a LINQ query inside a loop http://www.aspnetpro.com/articles/2009/04/asp200904zh_f/asp200904zh_f.asp ...
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1030 Got error 28 from storage engine

I am working on a project where i need to create a database with 300 tables for each user who wants to see the demo application. it was working fine but today when i was testing with a new user to see a demo it showed me this error message ...
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Can someone copyright a SQL query? [closed]

... write a full description of what the query needs to do, including all the tables, fieldnames etc., and post that here. Someone here is bound to be able to write a new version of the query that is not copyright your developer, and you can edit it each year to your hearts content. ...
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What's the difference between utf8_general_ci and utf8_unicode_ci?

...mise that's probably not needed for speed reasons and probably also not suitable for accuracy reasons. One other thing I'll add is that even if you know your application only supports the English language, it may still need to deal with people's names, which can often contain characters used in othe...
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Select tableview row programmatically

How do I programmatically select a UITableView row so that 7 Answers 7 ...