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How to do error logging in CodeIgniter (PHP)

I want error logging in PHP CodeIgniter. How do I enable error logging? 5 Answers 5 ...
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What are the best practices for JavaScript error handling?

I'm looking to start making my JavaScript a bit more error proof, and I'm finding plenty of documentation on using try , catch , finally , and throw , but I'm not finding a ton of advice from experts on when and where to throw errors. ...
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Rails 3: “field-with-errors” wrapper changes the page appearance. How to avoid this?

... You should override ActionView::Base.field_error_proc. It's currently defined as this within ActionView::Base: @@field_error_proc = Proc.new{ |html_tag, instance| "<div class=\"field_with_errors\">#{html_tag}</div>".html_safe } You can override it...
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How to handle $resource service errors in AngularJS

...esource module. It's different from $http so I don't know how to handle my errors. 3 Answers ...
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how to ignore namespaces with XPath

...ocument due to a 'The 'xmlns' attribute is bound to the reserved namespace error. – AutomatedChaos Nov 21 '18 at 10:50 add a comment  |  ...
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In a PHP project, what patterns exist to store, access and organize helper objects? [closed]

...nd manage your helper objects like the database engine, user notification, error handling and so on in a PHP based, object oriented project? ...
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Why is this program valid? I was trying to create a syntax error

...with a Git pre-commit hook to detect programs being checked in with syntax errors. (Somehow I just managed to do such a bad commit.) So as a test program I randomly jotted this: ...
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Your project contains error(s), please fix it before running it

...simple Android application. But when I run Eclipse, it shows the following error: 26 Answers ...
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Apply multiple functions to multiple groupby columns

... uses other columns (like lambda x: x['D'][x['C'] < 3].sum() above: "KeyError: 'D'"). Any idea if that's possible? – beardc Jan 25 '13 at 20:56 ...
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Best practice to return errors in ASP.NET Web API

I have concerns on the way that we returns errors to client. 11 Answers 11 ...