I recently released Verbal, a ruby gem that provides a fluent DSL for creating regular expressions. It's a fork of jehna's popular VerbalExpressions javascript library. Detailed documentation and code examples are available at rubydoc.info.
To create a regular expression that matches http, https, ftp, and sftp,
one can use …
It's easy to create a landing page with LaunchRock, but getting meaningful analytics out of it is more difficult. For example, I still have not figured out a way to run a Google Analytics experiment on LaunchRock - using custom Javascript code in LaunchRock sometimes crashes the previewer, forcing me to …
GitHub imposes a rate limit on API requests, and encourages developers to use conditional requests. Here is how to do that using Peter's popular github api gem.
This uses the faraday-http-cache gem, which takes care of expiration, etags, and response statuses.
Smashing Magazine wrote a piece about Toybox's navigation menu today, describing the user experience as "peeking behind the page or the lid of a toybox". I really liked the design, took a shot at creating a jQuery plugin to replicate the effect. Here is a demo.
Most of the …
This is a repost from my old blog.
We will use the last tutorial as a base to learn how to use custom segues.
Suppose you don't want to push between view controllers. In particular, suppose you want first view controller to flip to the second view controller. To achieve …
This is a repost from my old blog.
For the second part of this series, we will deal with the compiling of open source libraries that have several makefiles.
Android NDK r5 added support for prebuilt libraries and also included standalone toolchains that could be used to compile open-source libraries …
This is a repost from my old blog.
While I was at Apple’s Cocoa Camp over summer, one of the speakers talked rather passionately about the proper, thread-safe way to implement a singleton in iOS, which I thought deserves more attention than it currently does on the Web.
I was playing around with Stripe's source code for last year's CTF,
and from what I could see online, most people solved Level 4 by using XSS in
the password field. But look at the following line in srv.rb:
unless username =~ /^\w+$/
ie("Invalid username. Usernames must match /^\w …I have been trying to follow a more disciplined approach to branching in my
projects to allow easier tracking and regression. For example, I learnt that
it's a good idea to prefix branch names with category tokens, such as
feature/, bug/, or chore/. This allows us to use wildcards when …