Yes, once again I found myself having to track down some memory issues. Today I tracked down 3 major areas that cause apps to crash. Yes, even if you do all the great Objective-C alloc/release/dealloc you still will be faced with these. I think most apps have
For those of you who will attend my presentation in the iPhoneDevCamp tomorrow, please do the following in advance to follow along in the demo: Download exZact Lite from the App Store. Goto the Setting screen, key in the following: Email Address: ipdcdc (Yes, it's not really an
I'm going to the iPhoneDevCampDC tonight and tomorrow. I will try to present the following. Hope I can get the vote. http://www.youtube.com/watch?v=_4m33PdMljw
While working on a client project, I came across an interesting issue in the PEAR::XMLRPC2 package. By default, it uses the xmlrpc C extension in the system. Now that is great but the implementation of that library is so slightly different between different platforms. I found that on Ubuntu,
Yesterday, my co-worker called and said where can he find a wordpress expert and said someone should be able to get it done in an hour. So, I asked, what do you need? * I have 3 themes that I like, I want to mix them up. * I want to
I was working on a client project and come across a bizarre issue. I eventually solved it. Here is the issue, see if you can spot where the problem is. The following few lines of code generates a button with label "Next" in SDK 2.2.1 but
Salesforce.com makes SAAS and cloud computing famous, when they first started, people say the enterprise will NEVER buy into that model. Now Salesforce (and similar SAAS vendors) are entering the enterprise market. The iPhone is slowly doing the same. In terms of mobile workforce technology, traditionally it has been
I recently have to setup a headless Ubuntu box (on slicehost) with GUI support. After search the web I couldn't find a clean solution. So here it is, hopefully people don't have to spend as much time as I did. This solution is based on Ubuntu
Yesterday I went to the Politics Online Conference in Washington D.C. for the Golen Dot Award. Since so many of my friends ask "What is that?", I'm going to talk a bit about the project and the award itself. I will then post a follow-
More examples as I work through the project I'm reviewing: Case: Auto-release on instance variables When assigning to an instance variable, you should not set the object to autorelease. By having an instance variable means you want to 'hold on' to the object. And, make
In review of a project today, I realize I need to write down some general rules on memory management around Objective-C. I'm going to write more on this but here are some general rules: Case 1. Setting properties. Obj *obj = [[obj alloc] init]; myClient.obj = obj; [obj
Since I started training my staffs on iPhone development, I thought may be it's time to restart my teaching profession (I built a Java training school back in 2002). So we will start offering a 3-day crash course on everything iPhone soon. Here is the description: ========================================================= PD401