Author Archives: xiaonuogantan
A hard-to-catch iOS Core Data programming bug
Consider the following code: It works properly to retrieve a list of posts whose to-many relationship “followers” contains a user whose name contains “username” case-insentively. However, if the code was written carelessly as follow: If there is no to-many relationship … Continue reading
Pyramid vs Django
Although I’ve always been a dedicated Django programmer, I have to admit that it cannot solve every web problem in the world. Django started as a nice, simple, and easy-to-use web framework for python programmers, and slowly matured into a … Continue reading
Why do I hate Windows?
Windows is the most popular operating system in the world. However, being the most popular does not mean it is the best. I tried to install one copy of Windows Pro 64bit on one of my computers. During the installation … Continue reading
Debian vs. Ubuntu
Just got a Lenovo x120e, an affordable netbook, from the campus computer store. I installed Ubuntu 11.04 first, used it for about several hours. Then I shut it down, brought it home, and Bang — the laptop refuses to start, … Continue reading
Linux
From “GNU/Linux Application Programming, Second Edition”: “The history of GNU/Linux is an interesting one because at three levels, it’s a storyof frustration. Thompson and Ritchie designed the original UNIX as a way to replacethe existing Multics operating system. Richard Stallman … Continue reading
iPad 2 — Engineering Masterpiece
iPad 2 — 33% thinner than iPad 1, dual-core processor, and SAME battery life. This is a rare computer engineering masterpiece from Apple, considering the fact that it is even thinner than iPhone 4 by about .2 mm. Another obvious … Continue reading
The West Wing
“The West Wing” is a political drama TV show featuring daily life of the white house staff. Unlike any mediocre political soap, this show puts the audience on the edge of their seats (or their brains) by gushing out the … Continue reading
Watson — The beginning of skynet
Everyone knows the notorious A.I. that destroyed human race in the “Terminator” franchise. Today, a computer system called Watson, named after the famous sidekick of Sherlock Holmes, participated in Jeopardy! and tied with Brad Rutter, one of Jeopardy!’s most successful … Continue reading
The Girl With The Dragon Tattoo
I’ve finished reading the book “The Girl With The Dragon Tattoo” which is one of the most famous swedish crime / thriller drama novel. The whole plot of the book is gradually building since the beginning and there’s always a … Continue reading
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