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Are foreign keys really necessary in a database design?

... That's a horrible answer FKs genaerally can add extra overhead not improve performance. – Agile Jedi Feb 13 '15 at 18:42 ...
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A proper wrapper for console.log with correct line number?

...function') this.debug[m] = console[m].bind(window.console, klass.toString()+": ") }else{ for (var m in console) if (typeof console[m] == 'function') this.debug[m] = function(){} } return this.debug } isDebug = true //global debug state debug = Debugger(isDebug, this...
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What exactly is Arel in Rails 3.0?

...eRecord No, it isn't. It's a replacement for hand-crafting SQL queries in strings. It is a common query layer that underlies ActiveRecord, but it can also be used as an underpinning for DataMapper, for example. If it is a replacement for anything, it's a replacement for Ambition. Or, you can think ...
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how can you easily check if access is denied for a file in .NET?

...ened after the required attempts</returns> public FileStream TryOpen(string filePath, FileMode fileMode, FileAccess fileAccess,FileShare fileShare,int maximumAttempts,int attemptWaitMS) { FileStream fs = null; int attempts = 0; // Loop allow multiple attempts while (true) ...
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What is the difference between Python and IPython?

... IPython is basically the "recommended" Python shell, which provides extra features. There is no language called IPython. share | improve this answer | follow ...
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ASP MVC href to a controller/view

...y I do the following: <a href="@Url.Action("Index", null, new { area = string.Empty, controller = "User" }, Request.Url.Scheme)"> <span>Clients</span> </a> The result would have http://localhost/10000 (or with whatever port you are using) to be appended to the URL str...
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Bogus foreign key constraint fail

...T FOREIGN_KEY_CHECKS=1; Where the SET FOREIGN_KEY_CHECKS=1 serves as an extra security measure... share | improve this answer | follow | ...
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What does MissingManifestResourceException mean and how to fix it?

...rceMan = temp; } return resourceMan; } } The literal string "Servers.Resources" had to be changed to "RT.Servers.Resources". I did this manually, but running the custom tool would have equally well done it. ...
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How to change XAMPP apache server port?

...lder]/apache/conf/httpd.conf Open the httpd.conf file and search for the String: Listen 80 This is the port number used by XAMMP. Then search for the string ServerName and update the Port Number which you entered earlier for Listen Now save and re-start XAMPP server. ...
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How do I initialize a TypeScript object with a JSON object

...e coming from Java, then this is comparable to having to write equals or toString methods (only that you usually have them auto-generated). It shouldn't be too hard to write a generator for deserialize if you wanted to, but it just can't be run-time automation. – Ingo Bürk ...