计算机由ROM(instruction memory).RAM(data memory).CPU组成,其关系如下图 在计算中存在3种寄存器:D.A.M.其中D是data register,A是address register,M是data/address register. 为对数据进行操作,存在两种指令:A-introduction,C-introduction,这也就是Hack Promramming的全部语法了.Hack Programming 属于一种 汇编语言(Assembly lan…

之前说到可以使用Assembly language来实现程序编写,把程序通过一个Assembler就可以得到计算机可以操作的二进制文件. 但是Assembly language依旧不适于编程,但怎么将高级编程语言转变为Assembly language呢,该课程的思路是类似JAVA,先将其转换为VM language,再将VM language转化为Assembly language. 所以首先需了解VM language.其共有4种指令: 下面将分别介绍. 1)Memory segment c…

Beej's Guide to Network Programming Using Internet Sockets Brian "Beej Jorgensen" Hallbeej@beej.us Version 3.0.15July 3, 2012 Copyright © 2012 Brian "Beej Jorgensen" Hall Contents 1. Intro 1.1. Audience 1.2. Platform and Compiler 1.3. …

原文:<Programming WPF>翻译 第7章 1.图形基础 WPF使得在你的应用程序中使用图形很容易,以及更容易开发你的显卡的能力.这有很多图形构架的方面来达到这个目标.其中最重要的是综合. 7.1.1综合 图形化元素可以组合到你的用户界面的任何一部分中.很多GUI技术易于将图形分离到一个独立的世界.这就需要一个“操纵杆”--当移动一个世界的按钮.文本框和其它框架到另一个世界的Shape和图像中,由于在很多系统中,这两个世界有不同的编程模型. 例如,Windows Forms和Mac…

space=1&num=1404">1404. Easy to Hack! Time limit: 1.0 second Memory limit: 64 MB When Vito Maretti writes an important letter he encrypts it. His method is not very reliable but it's enough to make any detective understand nothing in that lett…

The Ultimate Productivity Hack is Saying No By James ClearRead this on JamesClear.com The ultimate productivity hack is saying no. Not doing something will always be faster than doing it. This statement reminds me of the old computer programming sayi…

P4: 好梗!There is one other convention—sometimes we repeat a key point to emphasize it. In addition, we sometimes repeat a key point to emphasize it. P5:UCB的UNIX文档里,tunefs命令的说明有一个叫Bugs的模块,最后一句吐槽道: You can tune a file system, but you can't tune a fish. …

记下,有时间玩玩~ wargame http://www.wechall.net/lang_ranking/en --------------- Monyer系列(黑客游戏) 1. http://monyer.com/game/game1/ (中文) 2. http://monyer.com/game/game2/ (英文) Sunnyspeed系列(英文)- 解谜类 1. http://sunnyspeed.com/puzzle/ (英文) 2. http://sunnyspeed.com/s…

iOS Programming Camera  2  1.1 Creating BNRImageStore The image store will fetch and cache the images as they are needed. It will also be able to flush the cache if the device runs low on memory.   Create a new NSObject subclass called BNRImageStore.…

重难点 一.parallelize 方法 一般来说,Spark会尝试根据集群的状况,来自动设定slices的数目.然而,你也可以通过传递给parallelize的第二个参数来进行手动设置. data_reduce = sc.parallelize([1, 2, .5, .1, 5, .2], 1) works = data_reduce.reduce(lambda x, y: x / y) 10.0 data_reduce = sc.parallelize([1, 2, .5, .1, 5, .…