December 2011
1 post
“Computers are like air conditioners - they stop working properly if you open...”
– read on a T-Shirt
August 2011
2 posts
5 tags
MultiMarkDown LaTeX Export with Byword
I really love Byword (bywordapp.com) by metaclassy and the MultiMarkDown (MMD) to LaTeX Export feature is simply awesome.
Here’s one thing that really annoys me though:
2 tags
“Java is a high level programming language. It’s unproductive to have an opinion...”
– Nick Farina in http://nfarina.com/post/8239634061/ios-to-android
June 2011
1 post
3 tags
“Java was like having a rich lawyer as a brother. He was fun when he was younger,...”
– Bruce A. Tate - Seven Languages in Seven Weeks
May 2011
1 post
3 tags
Why NoSQL is bad for startups →
April 1st, 2010 by kowsik
We launched pcapr over a year ago now with just a few of us working part time to build and manage the site. pcapr is powered by CouchDB, a NoSQL database written in Erlang with JavaScript as the primary query language. Frankly, this has been a disaster. We are planning on rebuilding the site with Java, Hibernate and MySQL for a number of reasons. [read more]
April 2011
3 posts
“… if your only tool is a hammer, every problem looks like a nail.”
– Reuven M. Lerner in “At the Forge - NoSQL? I’d Prefer SomeSQL”
6 tags
Snippet: Running Tasks in the Background While...
This is just a very quick note about multithreading in iOS 4.0+. If you want to put a long-running task to the background but keep your users updated about the state of the task you can use this snippet.
// start background execution
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
// do background work here (e.g. in a loop)
//...
8 tags
ComboBox like UITableViewCells
When I came across the Twitter App for iPhone, I saw something I immediately wanted to have for my own app: UITableViewCells acting like ComboBoxes, opening on tap, closing when a new option is chosen. The idea was so nice that I decided to write a small prototype which can now be found at a public github repository of mine. There is also some basic documentation that might be useful for those...
March 2011
1 post
“The only thing necessary for the triumph of evil is for good men to do nothing.”
– Edmund Burke
February 2011
4 posts
6 tags
Introduction to NSPredicate
As I continued to work on my Rumford1797 app I made heavy usage of an Cocoa framework component called NSPredicate. Most of you that have come across NSPredicate have seen it in combination with CoreData when fetching objects from the persistent store. That was my first point of contact with it as well but lately I discovered that it is also useful for cleansing your code when working with any...
2 tags
“With all the things I know, one could write a book… Although, one might...”
– Sacha Guitry
1 tag
“Artificial Intelligence is the study of how to make computers do things at...”
– Elaine Rich
4 tags
Using the AddressBook API to scan for contact...
OBJECTIVES
This quick tutorial will show you the basic usage of the AddressBook API of iOS and give you an example how to
obtain a list of all contacts in the address book
access a contact
access details of a contact
OUT OF SCOPE
In this article I will not show how to modify data or present it with the built-in view controllers. The first thing is too much for a quick start and the second...