Daniel Duan's Articles

Let's explore ways to add list comprehension to Swift.

It's a few weeks before WWDC, so naturally¹ it's time to try build your Swift projects in the compiler's compatibility mode!

One common complains on the Swift Evolution mailing list is about its inscrutable interface.

I spent a whole day making changes to this site.

One of my fondest memory in programming is writing the game Snake on one of these: At the time, I was in a very restrictive school where a real computer wasn't permited in class.

I never bothered signing my git commits until Github started putting those shiny badges on them.

A typical experience in adopting Swift 3 may look like this: Run the migrator.

There are several ways to build dependencies for a Swift 3 project: Swift Package Manager, Cocoapods, Carthage, etc.

Python's standard library includes a very handy defaultdict.

How to create order?

At risks of being too meta, I want to talk about how this post is going to go from my computer to a repository on Github on both the master and gh-pages branch.

A "string" in C is just a continuous chunk of char values in memory with \0 at the end.

The prospect of Swift being open-source excites me.

The Basics Algebraic Data Type is a fancy name for "a type creaded by combining other types" in programming languages.

I came up with this question recently: Can we even use Frameworks with #Swiftlang on Linux?

As a homework in one of the early college classes, I was asked to write unix commands such as cat in C.

When it comes to Swift source code editing, nothing beats Xcode 6.3!

You love Swift.

Swift supports default value for function parameters: func f(x=1, y=2, z=3) { return x * y + z } Functions defined in this way is extremely flexible as they allows the user to arbitrarily omit any parameters: f(y:6) // 9 Today, however, I ran…

onpatient 2.0 went live in App Store on September 27th 2014, 10 days after iOS 8 was officially released.

We have a situation here: three versions of Xcode are available to devleopers as of this writing.

Xcode is slow.

You have a UITableViewController with a couple of static cells, you want to invoke some code for each cell in the delegate.

I noticed something strange today.

Today I installed PyQt5 on OS X 10.9.

The build version number in an Xcode project (CFBundleVersion in Info.plist) must be a monotonically increasing string for each archive submitted to the App Store.

As one of my pet Sencha Touch project gets close to finish, I started looking into distribute it as native apps with Phonegap/Cordova.

I throw this Makefile to the root directory of my Sencha Touch 2 projects for workflow automation.

tl;dr: Set the itemHeight value to auto and you'll get list items with dynamic height in Sencha Touch 2.

Sencha released a new version Sencha Touch with Windows Phone 8 support.

Sencha Touch 2.2 Alpha shipped with Windows Phone 8/IE 10 support.

When I first got into the amazing Sencha Touch HTML5 framwork, it came across as a compilation of visual components that looks mobile, easily themable, leverage the latest HTML5 technology to be efficient and, best of all, are created within the Javascript

Here are the necessary steps to make PHP work with MongoDB on vanilla Mac OS X 10.8 (Mountain Lion): Install Command Lion Tools for Xcode Install Homebrew: ruby -e "$(curl -fsSkL raw.github.com/mxcl/homebrew/go)" Prioritize Homebrew's binaries in $PATH:…

Here are the necessary steps to install CoffeeScript on Mac OS X 10.8 (Mountain Lion): Install Command Lion Tools for Xcode Install Homebrew: ruby -e "$(curl -fsSkL raw.github.com/mxcl/homebrew/go)" Install Node.js with Homebrew: brew install node Insta…

A project I'm working on uses GitlabHQ, I think it is a cool open source project and the developers are doing an excellent job of making a sweet web interface for Git projects.

I use KDE on Arch Linux for 80% of the time, OS X the other 20%.

How do you test whether a method is called witin the constructor of an object with Jasmine.js?

"The Goals Use Sencha Command to create and package an MVC-structured Sencha Touch 2 project.