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How to use the “number_to_currency” helper method in the model rather than view?

... a new class for generating your output instead of making your data model know what a CSV is (because it shouldn’t). As for using helpers for ActiveModel validation errors in the model, well, I’m sorry but ActiveModel/Rails has screwed us all there by forcing error messages to be realized in th...
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Implementing Fast and Efficient Core Data Import on iOS 5

... should not be updated, but we need to reload the data as well }]; } Now, for what may be your real issue regarding the hang... you show two different calls to save on the master. the first is well protected in its own performBlock, but the second is not (though you may be calling saveMaster...
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HTML/CSS: Make a div “invisible” to clicks?

...refox 3.6+, Chrome 2+, IE 11+, and Safari 4+. Unfortunately, I don't have knowledge of a cross-browser workaround. #overlay { pointer-events: none; } share | improve this answer | ...
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Why is #!/usr/bin/env bash superior to #!/bin/bash?

...bash 4) than it is for there to multiple env programs. ...Still true that knowing these differences does not lend well to beginners being able to delve in. – Kevin Jul 23 '19 at 15:10 ...
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C# generic type constraint for everything nullable

...ct an instance. I use this pattern often. – Mike Marynowski Sep 7 '18 at 3:53 ...
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Is there any NoSQL data store that is ACID compliant?

...@gbn for the mention of CAP theorem. Being more familiar with "nosql" db's now than I was then has only reinforced the separation of the concepts. Also, key-value vs doc databases, since there are architectural differences. – AJ. Jul 25 '12 at 3:22 ...
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What causes and what are the differences between NoClassDefFoundError and ClassNotFoundException?

...= new B();" After compilation, I removed the B.class file from bin folder. Now from Main method of third class when I create object of Class1. The rror is thown as follws :-------- "Exception in thread "main" java.lang.NoClassDefFoundError: spring/B" ........ So it exactly mentiones which class it d...
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Formatting code snippets for blogging on Blogger [closed]

... I used to use hilite.me, but now I prefer dillinger.io – GoYun.Info Mar 19 '15 at 1:48 ...
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Concrete Javascript Regex for Accented Characters (Diacritics)

...and E, but I left them out because only historians seem interested in them now, and the D and E sets don't even render correctly in my browser. The original regex stopping at \u017F borked on the name "Șenol". According to FontSpace's Unicode Analyzer, that first character is \u0218, LATIN CAPITAL...
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Cartesian product of x and y array points into single array of 2D points

... following sections, I include some tests of other alternatives. These are now somewhat out of date, but rather than duplicate effort, I've decided to leave them here out of historical interest. For up-to-date tests, see Panzer's answer, as well as Nico Schlömer's. Tests against alternatives Here...