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Author Archives: paulschreiber
In which a plan comes together
Math is hard, Mint edition
Huawei / Wind Mobile Connect Manager’s fuzzy math
HP’s Epic DFS fail
In hardware engineering lingo, DFS is “design for serviceability.”
Understanding Disk Utility’s “Could not restore – Device not configured” error
On Mac OS X, if you attempt to use Disk Utility to restore one volume to another (such as a DVD to a USB drive), you may get this error: Could not restore – Device not configured This means you have a bad USB drive and need to replace it.
How to solve the “undefined method `deep_symbolize_keys’ for nil:NilClass” error in Rails
I was trying to migrate a table in my Rails app and got this error: undefined method `deep_symbolize_keys’ for nil:NilClass It’s a strange error, and there weren’t very many hits on Google. A lighthouse ticket provided a clue. The problem wasn’t one of my plugins or gems — it was i18n itself. Upgrading from 0.4.1 …
The FCC just sold you out
The case of the dirty validator (why web filters suck)
Web developers, be warned! Your secret page-validating habit has been found out: This nonsense proudly brought to you by PurePages, providers of nonsense filters use by mmmuffins wifi at Toronto Union Station.
Fixing the mysterious “Element script is missing required attribute src” error
Suppose you're using the W3C validator to validate HTML5. Here's a sample document: <!doctype html> <html lang="en" xml:lang="en"> <head> <meta charset="utf-8" /> <title>Hello</title> <script type="text/javascript" charset="utf-8"> //<![CDATA[ var foo = 1; //]]> </script> </head> <body> </body> </html> Everything looks right, but you get this mysterious error: Line 6, Column 48: Element script is missing required …
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