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Hash value mapping

~1 year ago by duncanbeevers on dweebd.
Ever have to map all the keys of a Hash, or Hash-like Ruby object? For example, you have a Hash mapping keys to the binary contents of several files, and...

Ruby RegExp match variables really are local

almost 2 years ago by duncanbeevers on dweebd.
While reading Yehuda Katz’ blog post concerning mental models about Ruby’s behavior, I was a bit rankled by his reference to implicit locals...

Keep your production credentials encrypted, hassle-free

almost 2 years ago by duncanbeevers on dweebd.
Previously, I demonstrated how to set up an encrypted store in Mac OS, but didn’t describe why you might want to do such a thing. Encrypt Using an...

Subdomains in development using ghost

~2 years ago by duncanbeevers on dweebd.
The Problem Using subdomains with Rails is kind of a pain. The only official support for subdomains is as asset hosts, as described in the AssetTagHelper...

Subdomains in development using ghost

~2 years ago by duncanbeevers on dweebd.
The Problem Using subdomains with Rails is kind of a pain. The only official support for subdomains is as asset hosts, as described in the AssetTagHelper...

JavaScript cast to Number

~2 years ago by duncanbeevers on dweebd.
Another interesting technique I spotted in the gRaphaël code base is the use of a prefixed + used to cast a variable to a numeric type. var data = [...

If A Then B

~2 years ago by duncanbeevers on dweebd.
In hacking on the gRaphaël code base, I came across a recurring pattern syntax pattern I hadn’t encountered in JavaScript before. Essentially, instead...

Cookie Path Handling Inconsistencies

over 2 years ago by duncanbeevers on dweebd.
Cookies stored with a path option are treated somewhat differently in Internet Explorer than they are in many other browsers. The issues are especially...

Run Safari 3.2.1 alongside Safari 4

over 2 years ago by duncanbeevers on dweebd.
It’s important to be able to test your application across multiple versions of major browsers. Safari’s use of a system-wide Webkit makes this...

Day-of-week Predicates

over 2 years ago by duncanbeevers on dweebd.
When business logic dictates that something only happens on Saturday, this snippet can help keep your code and tests legible. module DatePredicates Date...