Default

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By default, variables defined inside a function or method are stored in the variables scope (of the template or the component). This can lead to threading problems if - for instance - a component is stored as a singleton in the application scope. Railo allows you to prevent this problem by controlling the local scope.

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Railo Server creates a new web context for every website running on the same Railo instance. And since you have an individual web administrator available for each website, you can define different settings for each website which for instance allows you to configure two websites that they run in two time zones.

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This is a feature in Railo that confuses new Railo users very often. Railo comes with two types of administrators. In fact there are two type of administrators for every website you host on a system. In Railo all the settings you make in the Railo Web Administrator affect only the website you are calling it from. 

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Imagine you would have to pass an applications name as an url parameter.  There is a shorter way of doing this without having to use a temporary variable.

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Sometimes it is important to know whether a certain variable points to the same instance of a complex object than another one. You can easily find that out with the following operator

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CFML only has some equivalents to the available tags in CFSCRIPT. In Railo you can now use almost all tags by just removing the <cf and replacing the last > with a ;

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When you need to create a query object, it can be a bit complicated to create one with several columns and rows.  Railo makes it easy.

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