Want to use styled-components, styled-jsx, and emotion but having trouble with getting server side rendering to work? This post is for you.
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chen.do blog relaunch
It's been almost four years since my last blog post. A lot has happened since then!I've decided to relaunch my blog to contribute some things I've discovered or learnt that may be useful to other people. Most of these…
Live Wireshark session from remote machine
I was tasked to debug some network stack issues last week at work which required intercepting wireless traffic at the router. Previously, I would use my Macbook to share internet through an Ethernet port, and then open a Wireshark session…
Simulating out of order packets on OS X
I needed a way to simulate out of order packets in order to try to reproduce an issue I've been seeing at work, and I figured out a fairly simple way that only involves ipfw which is built-in on 10.…
Reverse engineering Xcode with dtrace
Both OS X and iOS tend to have a love-hate relationship with Xcode. Crashing, lacking solid refactoring tools, some UX failures, and so on.For me, it is/was the lack of a good autocomplete that really ticks me off.…
Visualising CGRects and NSRects from lldb with drawrect
Halfway through debugging the new enumeration engine for Shortcat, I realised I needed a way to visualise CGRect/NSRects while debugging. Trying to figure out how one CGRect relates to another by looking at four numbers is a PITA.I…
Building a Command Line OS X app with RubyMotion
I decided to write a command line tool with RubyMotion to visualise CGRects and NSRects from lldb, but I quickly discovered that RubyMotion does not support this out of the box. You can build an OS X app that doesn't…
Selectively ignoring Objective-C exceptions in Xcode
Edit - Octorber 9, 2013: Updated the script to support iOS Simulator (i386) and iPhone 5S (ARM 64bit).Xcode has the ability to break on all Objective-C exceptions (Debug > Breakpoints > Create Exception Breakpoint...), which is extremely useful as…
Editing files on a remote server with Sublime Text 2
I've always hated editing files on a remote machine over SSH. I'm not a huge fan of vim, and nano is terrible for anything remotely (hah, get it?) complex. Being able to use your local editor with all your plugins…
Python-like Docstrings in Ruby!
About six months ago, I watched Peter Cooper's Ruby Trickshots and learnt that Ruby has an interesting syntax that allows you to concatenate strings by simply placing them after each other.For example:"foo" "bar" # => "foobar" I quickly realised…