With increment of swift, it's not ridiculous that using swift when you do some jailbreak development. If the tweak can get a better UI and I can code easier, there is no reason to refuse swift.

But one thing we should care about is that, Xcode 6 (and later) will link swift's dylib something like @rpath/libswiftDarwin.dylib.

That means if you didn't put those dylib files into a directory named `Frameworks` which right under your executable file's directory, it will just crash when you try to launch them.

As all we know, iOS 8 - iOS 8.1 are able to be jailbroken by pangu jailbreak. After jailbroken my device, I found it is much different from previous iOS version.

Continue reading The application hierarchy changes in iOS 8 →

To install Cydia on iOS8-8.1 manually.

1. Install OpenSSH in pangu application.

2. Download those two debs on your computer.
http://apt.saurik.com/debs/cydia-lproj_1.1.12_iphoneos-arm.deb
http://apt.saurik.com/debs/cydia_1.1.13_iphoneos-arm.deb

Continue reading Install Cydia on iOS 8 - iOS 8.1 manually →

When I had the class 「Fundamental of Computer Science」 tonight, my teacher present a slide that writes void main(). I pointed out the mistake that main function's return type should be int in C/C++.

The father of C++ program language, Bjarne Stroustrup, once posted this on his personal website in column C++ Style and Technique FAQ.

Continue reading Do NOT use "void main()" in C/C++ →

Yesterday evening, 0xSuu sent me a problem but which requires to write in brainfuck language. The complete problem is here.