OS also means Operating System such as Windows, Linux, Mac OS...
Others:
P.S.=postscript
O.S.T.=Original Soundtrack

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From: Linus Torvalds linux-foundation.org>
Subject: Re: [RFC] Convert builin-mailinfo.c to use The Better String Library.
Newsgroups: gmane.comp.version-control.git
Date: 2007-09-06 17:50:28 GMT (16 weeks, 12 hours and 4 minutes ago)

On Wed, 5 Sep 2007, Dmitry Kakurin wrote:
>
> When I first looked at Git source code two things struck me as odd:
> 1. Pure C as opposed to C++. No idea why. Please don't talk about portability,
> it's BS.

*YOU* are full of bullshit.

C++ is a horrible language. It's made more horrible by the fact that a lot
of substandard programmers use it, to the point where it's much much
easier to generate total and utter crap with it. Quite frankly, even if
the choice of C were to do *nothing* but keep the C++ programmers out,
that in itself would be a huge reason to use C.

In other words: the choice of C is the only sane choice. I know Miles
Bader jokingly said "to piss you off", but it's actually true. I've come
to the conclusion that any programmer that would prefer the project to be
in C++ over C is likely a programmer that I really *would* prefer to piss
off, so that he doesn't come and screw up any project I'm involved with.

C++ leads to really really bad design choices. You invariably start using
the "nice" library features of the language like STL and Boost and other
total and utter crap, that may "help" you program, but causes:

- infinite amounts of pain when they don't work (and anybody who tells me
that STL and especially Boost are stable and portable is just so full
of BS that it's not even funny)

- inefficient abstracted programming models where two years down the road
you notice that some abstraction wasn't very efficient, but now all
your code depends on all the nice object models around it, and you
cannot fix it without rewriting your app.

In other words, the only way to do good, efficient, and system-level and
portable C++ ends up to limit yourself to all the things that are
basically available in C. And limiting your project to C means that people
don't screw that up, and also means that you get a lot of programmers that
do actually understand low-level issues and don't screw things up with any
idiotic "object model" crap.

So I'm sorry, but for something like git, where efficiency was a primary
objective, the "advantages" of C++ is just a huge mistake. The fact that
we also piss off people who cannot see that is just a big additional
advantage.

If you want a VCS that is written in C++, go play with Monotone. Really.
They use a "real database". They use "nice object-oriented libraries".
They use "nice C++ abstractions". And quite frankly, as a result of all
these design decisions that sound so appealing to some CS people, the end
result is a horrible and unmaintainable mess.

But I'm sure you'd like it more than git.

Linus

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It seems many Canadian Universities provide Msc programs with scholarship and no GRE requirment, but my pity oral part score cannot fulfill any!!! Now that the only I can say is TAKE IT EASY, EASY AND EASY.

p.s. I installed Ubuntu 7.10, a new version. It's much more stable than I considered. I'm trying to drop XP and move to Linux, facing the biggest problem --QQ. Tencent doesn't release any Linux version of QQ and changes the protocol frequently so as to prevent others' development on QQ client. Narrow-minded!

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Bless我们的论文，说起来内容也很拗口，股指的事件窗口影响模型、指数预测的SVM和线性趋势衰减模型，胡乱拼凑了一番，到最后不得不承认对股票的预测方法和扯淡区别不大，如果能和直接用前一天收盘价预测一样，已经谢天谢地了，弄不好就给你来一个一天跌1000点-__-

现在忙于数字信号处理、Linux程序设计、自动控制三座大山的期末大作业，bless自己，bless人的能力无限，over。

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还是忍不住冒着崩溃的危险在新的Ubuntu下面装了Beryl的Xgl桌面。上次装Aiglx+Beryl的时候系统就彻底崩溃了，还好这次的Xgl没有~

装上后发现X-window变得超级!@#$%^&*，半透明、阴影、前后遮挡、扭曲、渐变、贴在立方体上的四个旋转桌面，甚至还有超炫的水波特效。不过还好，x1400的显卡还算跑得顺畅。不过除了好玩还真是没什么用处......

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然后发现身后的同学在看Matrix...忽然又幻想世界也许就是代码的，如果我们看到源代码，就可以做上帝的事情...

然后就想到模式识别课的非线性多层神经网络和反向传递算法，是不是模型和代码真的可以模拟任何东西呢？

疯了疯了，代码开始占据我生活的每个角落......

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我算是彻彻底底的Linux新手，所以亦步亦趋的跟着网上的指导做，不时备份程序以防不测。现在终于几乎搞定了内核、驱动、常用软件等东西，中间系统崩溃过几次，还好通过我以前的备份、可怜的几条Linux命令，都恢复过来。

Linux的系统机制，自由开源的理念精神，很多要学习的东西。越来越发现，自己对本专业兴趣在降低（甚至有些失望），对计算机软件方面倒是兴趣很大:(

毅然退掉了专业推荐选修《数据库》，去选了计算机的必修《操作系统》，我想我知道我喜欢什么，要做什么。

sigh，可是该死的基金导师又忽然拦下院里教改讨论的事情，让我们在三两天内搞出个网上讨论的系统......这其实和我们研究的方向还是有不小差别的，他也说的很清楚，只要系统能够work，让领导方便、开心，目的就达到了，具体如何弄的不重要。就连基金课题的导向，也是领导满意第一，这样什么优秀论文就都有了。原来，就连PKU也不过是官僚笼罩下的一个类科研机器而已，国内的研究状况可见一斑。

回到Linux，看到的是一种大气。（似乎跳跃比较大-__-///）

帖Ubuntu的X-Windows图，点击放大。

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