brain dump of things
GIT Commands Cheat Sheet
Tracking a remote branch [source]:
git branch --track feature1 origin/master
git remote add origin /remote/host/path
Init blank git repository on host side:
git init --bare
Amend previous commit with new files [source]:
git add [files]
git commit --amend –C HEAD …
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The Beginning of the End for Facebook
So it has begun, the end of Facebook's domination of the social network. Two weeks ago, Google has released its own version of the social network Google+. So far I heard it has gathered about 4.5 million users and I'm sure that figure is increasing everyday. It's pocket change compare to Facebook's …
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iOS Development: Proper Use of initWithNibName:bundle: Affects UITableViewController
I think this post will be useful to someone new to the iOS development. One of the most important and commonly used classes in Cocoa is UIViewController. Creating any non-trivial application will involve subclass and creating your own view controller. There are a lot of topics and tutorials …
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Programming iOS 4: Making Simple Ideas Complicated?
I have done a bit of iOS development lately. While trying to get myself familiarized with the new platform, I came across this book titled "Programming iOS 4". I skimmed through some sections and found this paragraph:
You should not use a view controller in any other way. It is not, for example, …
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Scripted Debug Using GDB To Find Memory Leak
I recently ran into some hard to find memory leaks. The program only runs on Linux. The memory leaks are detected using a custom memory allocator (using an atomic counter for allocation/deallocation size). In single thread mode, the program terminated without leaking, but running in multithread mode …
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How to Not Do Business: Mint is Bad, Yodlee is Good.
Last night I was so angry with Mint.com, I deleted my account at Mint. I wouldn't even link to them in this post. A little over two years ago, I heard the buzz for Mint. I thought it was useful to track my personal asset (which wasn't much, but it helps me to see how much student loans I need to pay …
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To Flash or Not Flash?
I haven't really done much web development in the last 8+ years or so, and my knowledge in that area has been mostly outdated. I have some ideas of a data centric web site with interactive data visualization and the question is what tool do I use to implement this idea? To educate myself, I did a …
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C++ Container Iterator Invalidation
In a recent coding review a coworker pointed out in my code that modifying a STL list might invalidate the iterators pointing to the elements in the list. That's a good observation. I know STL map will not invalidate iterators when elements are inserted or erased from the container. But for STL …
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iPad 2 Review
Finally! After a few weeks of waiting in line then gave up to ordering online then gave up routine, I have gotten my own iPad 2! It's a gift from my wife who understands my nerdiness, unlike this person's wife. After playing with it for a few days I would like to share some unbiased opinions. I …
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LLVM, Clang, and (no) Auto Vectorization
A few days looking into LLVM + Clang, I really liked how they are set up and how they work. I played with the IR code and JIT a little bit, then I realized that Clang and LLVM don't support auto vectorization (as of current release 2.8). Yes, the IR language supports vectorization through …
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