2010
08.04

Before wasting too much time messing with cables and blaming USB ports (like I did), check on Apple’s Software Update if the iPhone SDK Compatibility Update 1.0 is there for you to install. The solution to your problem is just a handful of kilobytes and one restart away :) Here is the relevant post on [...]

2010
07.16

If you have an existing project and you try to resubmit to the app store, you are likely to run into a problem with the changes Apple has made. Error: The binary you uploaded was invalid. The bundle did not contain an icon for iPad of exactly 72×72 pixels, in .png format. Solution: Add a [...]

2010
07.12

If you’re left handed like me, forget being able to use an iPhone 4 without a case. Here are the myths and facts about the iPhone 4 reception issues. I’ve been thinking of how Apple could resolve the issue with a software update: they could determine how you’re holding the phone, perhaps thanks to the [...]

2010
07.09

Today I’ve been working on submitting an update to our popular Catholic Prayers database app: it’ll be our first Universal application to hit the App Store. Ever since we upgraded to the latest SDK we can only build for iOS 4, but we’ve set the iPhone OS Deployment Target to be 3.1.3. That way, our [...]

2010
05.17

We have used Thinking-Sphinx in several projects to implement search engines. Thinking-Sphinx is a wrapper in Ruby to use ActiveRecord with Sphinx. But in the project I’m working right now I had to solve a different problem: the user should be able to search for formatted values, however without using the formatting characters, i.e, suppose [...]

2010
05.13

Sending a large number of emails is not an easy task. It can take a lot of time so you need to do it asynchronously. Also, if you are on a shared hosting, you might be limited to a certain number of emails per hour, so you need to divide your list of email addresses in [...]

2010
04.24

Facebook GUI free PSD resource

Facebook developers already have a useful info on Facebook components documentation, i.e., they count on Facebook FBML wiki as reference.
Thinking of designers and, of course, ourselves as designers, we made a Facebook Graphic User Interface (FBGUI) resource kit for Photoshop to make our work easier.

The purpose is to speed up Facebook interface design, sparing you [...]

2010
04.02

In the first article in this series I described a way to redirect iPhone clients to our mobile application. Now I will describe how to build a registration application using JQTouch.
A typical web application sends the content of each page, but in this model we deliver the whole application and only parts of the document [...]

2010
03.30

Apple was given as “dead” in 1997. Steve Jobs returned and created a strategy in 4 weeks to resurrect the company. What were the key points of that strategy, and how did that allow Apple to create the iPod and the iPhone?
Here are some quotes from the press in 1997: “Apple has become irrelevant”, “Apple [...]

2010
03.30

Analyst Katy Huberty with Morgan Stanley said suppliers for the iPad have currently forecast 2.5 million iPads to be shipped from March to May 2010: Apple would ship between 8 million and 10 million by the end of 2010. This number is much higher than the expectation of 5 million that was forecasted so far. [...]