Lastest Posts | 最新文章

《致命的自负》:商业的价值

《致命的自负》是哈耶克晚年的最后一本著作。这本书出版于1970年代,主旨是批判社会主义计划经济。最初看到这本书的简介并没有引起我的兴趣,一方面是这种对市场经济的批判在今天已经显得过时,拥抱市场经济似乎是理所当然的选择,另一方面包括我的大多数人都能说出一两点计划经济的弊端:经济决策过程里面信息的不完全、不及时和不对称。

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Concurrency Based on Threads, Locks and Shared State

This is the third article discussing the challenges of implementing high concurrent web applications. In the previous two articles, we mainly focused on the challenge for handling concurrent requests and the two design patterns of handling concurrent requests. In this article, we are going to discuss the challenges in designing highly concurrent business logic.

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Complier Design: Scanner, Parser and Analysis

Compiler is the translator between human readable high level language and the computer readable low level languages, it translate the a program from a source language into a target language. Why do we need compiler? Because for human beings, programming in a machine language, such as assembly is highly inefficient and time consuming.

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Economics & Financial Market | 经济与金融

概念解释 :工农价格剪刀差

剪刀差的本身是在计划经济之下的产物,其基础是存在国家这样的强力垄断机构可以控制工农业产品的价格,实质是一种垄断行为来赚取比自由交易情况下超量的利润。这种政策客观上一方面帮助中国更快建立了完整的工业体系,但另一方面也造成了农民生活的普遍贫困。

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《经济学的思维方式》价格的作用

价格之所以能够起到资源分配的作用在于:每一个对资源的共同依赖者都会衡量资源的价格与自己的生产成本的关系。生产者会灵活调整自己的策略来应对价格和价格的变化:比如使用替代性的原材料,调整生产规模等等。成本约束和竞争关系就会导致资源分配到了最优价值的用途上去。对于没有得到资源的生产者而言是损失,但是对于社会整体而言则是获益。资源分配的方式会对对社会整体效益产生影响也是这本书带来的新视点。

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MIT PoM 1: introduction to Microeconomics

Economics is all about scarcity and the constrained optimization, which means given certain constraints, how does individuals and firm trade off different alternatives to make the optimal choice. Actually, all engineering is about constraint optimization.

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Computer Science & Software | 计算机与软件

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Humanities, Society & Art | 人文、社会与艺术

Rain and Tears

侯孝贤导演的《最好的时光》里青春梦部分的配乐。张震和舒淇饰演的秀美在台球室认识,张震要去服兵役,两人约好书信联系。等张震休假期间回来时,秀美已经换了工作地点。张震辗转之下终于找到秀美,然而距离他要回军营的时间已近不多。两人于是一起来到夜市吃面,《rain and tears》响起。两人在雨后的街头等车,张震鼓起勇气牵住了秀美的手。

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泰利斯的井,还原论和机器学习

我们如何认识世界?很大一部分是依靠将世界还原为某个可以理解的模型。我们将物品价格波动和均衡还原为生产者和消费者供需关系的变化,我们将物体运动还原为各种力在牛顿三定律下的作用,我们将心理还原为生理,将复杂还原为简单,将抽象还原为具体。还原论最显著的运用莫过于机器学习。

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现代人意义的丧失

现代人意义的丧失所描述的是现代人作为个体在面对巨大社会机器时所产生的无力感,是“即使我知道我是谁,我作为一个个体也产生不了什么影响”这种心态的描述。

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Professional Development | 职业发展

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Personal Growth | 个人成长

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