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MySQL - UPDATE query based on SELECT Query

... receipt_invoices dest, ( SELECT `receipt_id`, CAST((net * 100) / 112 AS DECIMAL (11, 2)) witoutvat FROM receipt WHERE CAST((net * 100) / 112 AS DECIMAL (11, 2)) != total AND vat_percentage = 12 ) src SET dest.price = src.witoutvat, dest.amount = s...
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Javascript add leading zeroes to date

... Try this: http://jsfiddle.net/xA5B7/ var MyDate = new Date(); var MyDateString; MyDate.setDate(MyDate.getDate() + 20); MyDateString = ('0' + MyDate.getDate()).slice(-2) + '/' + ('0' + (MyDate.getMonth()+1)).slice(-2) + '/' ...
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Unable to cast object of type 'System.DBNull' to type 'System.String`

...- the "accountNumber" is not a database value but a regular old Plain Old .NET "object" instance - you need to check against normal "null" value. The DBNull.Value would work for a SqlDataReader or a SqlParameter - but not for this object here. – marc_s May 15 '...
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Passing a single item as IEnumerable

...The C# 3 compiler can infer T, and the code will be fully compatible with .NET 2. – sisve Oct 16 '09 at 13:25 best ans...
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MVC which submit button has been pressed

...swer, so we can have both text and value for a button: http://weblogs.asp.net/dfindley/archive/2009/05/31/asp-net-mvc-multiple-buttons-in-the-same-form.aspx </p> <button name="button" value="register">Register</button> <button name="button" value="cancel">Cancel</butto...
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Using vagrant to run virtual machines with desktop environment

...y the VirtualBox GUI when booting the machine vb.gui = true end # https://askubuntu.com/questions/1067929/on-18-04-package-virtualbox-guest-utils-does-not-exist config.vm.provision "shell", inline: "sudo apt-add-repository multiverse && sudo apt-get update" # Install xfce and v...
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how to delete all cookies of my website in php

...; setcookie($name, '', time()-1000, '/'); } } http://www.php.net/manual/en/function.setcookie.php#73484 share | improve this answer | follow | ...
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How can I pad an integer with zeros on the left?

... It's similar how you'd do it in .Net Except the .Net way looks nicer for small numbers. – Omar Kooheji Jan 23 '09 at 16:00 ...
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WCF - How to Increase Message Size Quota

...vice which returns 1000 records from database to the client. I have an ASP.NET WCF client (I have added service reference in asp.net web application project to consume WCF). ...
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zsh compinit: insecure directories

... compaudit | xargs chmod g-w will do the trick, see http://www.wezm.net/technical/2008/09/zsh-cygwin-and-insecure-directories/ share | improve this answer | follow ...