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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...
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...
Get pandas.read_csv to read empty values as empty string instead of nan
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Documentation for read_csv now offers both na_values (list or dict indexed by columns) and keep_default_na (bool). The keep_default_na value indicates whether pandas' default NA values should be replaced or appended to. The OP's code doesn't work curre...
Entity Attribute Value Database vs. strict Relational Model Ecommerce
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+10000 Great answer. Nowadays people skimp on database design and requirement gathering. They'd rather write a hundred times more lines of code, that take the time to make a good design.
– Tulains Córdova
A...
ASP.NET Web API - PUT & DELETE Verbs Not Allowed - IIS 8
...dio 2012 RC. The installer also installs IIS 8 Express which Visual Studio now uses as the default web server.
19 Answers
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Set environment variables on Mac OS X Lion
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Also it's useful to know about ~/.bashrc. ~/.bashrc file runs every time you open a new non-login bash shell such as xterm / aterm, and ~/.bash_profile runs only with login shells i.e when you first log in into system.
– Dan...
How do I prevent node.js from crashing? try-catch doesn't work
...sn't work either since everything is done asynchronously. I would like to know what does everyone else do in their production servers.
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Copy constructor for a class with unique_ptr
...situations, the deleter will be type erased somehow, or pointless (if you know the type to delete, why change only the deleter?). In any case, yes, this is the design of a value_ptr -- unique_ptr plus deleter/copier information.
– Yakk - Adam Nevraumont
Jul 28...
What does “Content-type: application/json; charset=utf-8” really mean?
...e content itself, i.e. you can't necessarily just look at the content and know what to do with it. That's what HTTP headers are for, they tell the recipient what kind of content they're (supposedly) dealing with.
Content-type: application/json; charset=utf-8 designates the content to be in JSON for...
Why malloc+memset is slower than calloc?
It's known that calloc is different than malloc in that it initializes the memory allocated. With calloc , the memory is set to zero. With malloc , the memory is not cleared.
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