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Using helpers in model: how do I include helper dependencies?

I'm writing a model that handles user input from a text area. Following the advice from http://blog.caboo.se/articles/2008/8/25/sanitize-your-users-html-input , I'm cleaning up the input in the model before saving to database, using the before_validate callback. ...
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Pointer to pointer clarification

...are doing is *ipp get the object at the address held in ipp which is ip1 and then assign to ip1 the value stored in ip2, which is the address of j. Simply & --> Address of * --> Value at share | ...
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using lodash .groupBy. how to add your own keys for grouped output?

... head around. Can you explain the steps in between, especially the pairing and zipping (and the double zip, since _.object is an alias for _.zipObject). – Benny Bottema Jul 31 '15 at 9:17 ...
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send/post xml file using curl command line

...xml file to a local server http://localhost:8080 using curl from the command line? 8 Answers ...
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How can I check whether an array is null / empty?

I have an int array which has no elements and I'm trying to check whether it's empty. 13 Answers ...
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Is it safe to assume strict comparison in a JavaScript switch statement?

...to worry about coercion, which prevents a few wtfjs :). If on the other hand you were counting on coercion, tough luck because you can't force it. share | improve this answer | ...
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git-svn not a git command?

...oblem. Whenever I run git svn , I get an error saying it isn't a git command, yet there is documentation for it that I can pull up using git help . Is there something wrong with my install, or am I just missing something here? ...
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Print content of JavaScript object? [duplicate]

...re a cross-browser way of doing something similar? – Anderson Green Oct 2 '12 at 1:30 62 In recen...
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get original element from ng-click

...ly, yet I don't know if its necessary anymore. – WebWanderer Jan 27 '15 at 22:44 12 console.log s...
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Why can't overriding methods throw exceptions broader than the overridden method?

I was going through SCJP 6 book by Kathe sierra and came across this explanations of throwing exceptions in overridden method. I quite didn't get it. Can any one explain it to me ? ...