papering - 博客园

2016年12月8日

摘要： Computational Linguistics http://matplotlib.org/ https://github.com/matplotlib/matplotlib/blob/master/INSTALL#L59 http://www.nltk.org/book/ch01.html#i 阅读全文

posted @ 2016-12-08 16:21 papering 阅读(496) 评论(0) 推荐(0)

Natural Language Toolkit

摘要： http://www.nltk.org/ >>> import nltk >>> nltk.download() 阅读全文

posted @ 2016-12-08 13:10 papering 阅读(209) 评论(0) 推荐(0)

数组指针类型结构体联合体分配和访问按地址传递按值传递

摘要： Moving scalars to or from floating point registers movss moves a single 32 bit floating point value to or from an XMM register movsd moves a single 64 阅读全文

posted @ 2016-12-08 12:43 papering 阅读(264) 评论(0) 推荐(0)

2016年12月7日

保存现场通用寄存器过程调用的机器级表示栈栈帧参数传递逆向工程

摘要：计算机系统基础(一)：程序的表示、转换与链接-模块七第2讲选择和循环语句的机器级表示（2）-网易公开课 https://open.163.com/newview/movie/free?pid=WFVPGEQSL&mid=PFVPGFAAS leal (%eax,%eax), %edx 将eax乘阅读全文

posted @ 2016-12-07 20:01 papering 阅读(295) 评论(0) 推荐(0)

GenderGuesser

摘要： http://www.hackerfactor.com/GenderGuesser.php#Analyze 阅读全文

posted @ 2016-12-07 16:04 papering 阅读(234) 评论(0) 推荐(0)

hardware control language

摘要： Computer Systems A Programmer's Perspective Second Edition We then provide some background on digital hardware design. We describe the basic building 阅读全文

posted @ 2016-12-07 13:06 papering 阅读(531) 评论(0) 推荐(0)

improve performance whilemaintaining the functionality of a simpler and more abstract model design of processor hardware

摘要： Computer Systems A Programmer's Perspective Second Edition In this chapter, we take a brief look at the design of processor hardware. We study the way 阅读全文

posted @ 2016-12-07 13:04 papering 阅读(257) 评论(0) 推荐(0)

IA-32指令系统 x86-64 instruction-set architecture Processor Architecture 指令集结构 x87FPU MMX SSE SIMD

摘要： X86 Assemble指令--LEA - 简书 https://www.jianshu.com/p/01e8d5ef369f https://baike.baidu.com/item/lea/1139441 lea（微机8086/8088系列的一条指令）_百度百科 LEA reg16,mem LE 阅读全文

posted @ 2016-12-07 12:53 papering 阅读(1083) 评论(0) 推荐(1)

x86-64 processor (aka amd64, x64) x86, IA-32 i386 Intel 386， AArch64 processor (aka arm64) ，AMD64

摘要：小结： 1、 The new 386 design, available at 12.5 MHz and 16 MHz clock speeds, allowed the chip to process information more than twice as fast as the 286, 阅读全文

posted @ 2016-12-07 12:27 papering 阅读(701) 评论(0) 推荐(0)

2016年12月6日

Natural Language Processing Computational Linguistics

摘要： http://www.nltk.org/book/ch00.html After this, the pace picks up, and we move on to a series of chapters covering fundamental topics in language proce 阅读全文

posted @ 2016-12-06 20:01 papering 阅读(228) 评论(0) 推荐(0)

w-WAITING---

摘要： 1 w-WAITING--- 2 3 4 7 8 阅读全文

posted @ 2016-12-06 18:29 papering 阅读(159) 评论(0) 推荐(0)

Least_squares 最小二乘法

摘要： https://en.wikipedia.org/wiki/Least_squares 動差估計法( MM, The Method of Moment ) 最小平方法( LSQ, The Method of Least Square ) 最大概似估計法( ML, The Method of Maxi 阅读全文

posted @ 2016-12-06 15:32 papering 阅读(343) 评论(0) 推荐(0)

Thwarting Buffer Overflow Attacks Stack Randomization

摘要： Computer Systems A Programmer's Perspective Second Edition address-space layout randomization 阅读全文

posted @ 2016-12-06 13:18 papering 阅读(203) 评论(0) 推荐(0)

buffer overflow

摘要： Computer Systems A Programmer's Perspective Second Edition We have seen that C does not perform any bounds checking for array references, and that loc 阅读全文

posted @ 2016-12-06 13:07 papering 阅读(215) 评论(0) 推荐(0)

simplify the design of the hardware forming the interface between the processor and thememory system

摘要： Computer Systems A Programmer's Perspective Second Edition Many computer systems place restrictions on the allowable addresses for the primitive data 阅读全文

posted @ 2016-12-06 12:34 papering 阅读(206) 评论(0) 推荐(0)

Operand forms

摘要： Operand forms Computer Systems A Programmer's Perspective Second Edition 阅读全文

posted @ 2016-12-06 08:57 papering 阅读(138) 评论(0) 推荐(0)

2016年12月5日

256 terabytes random-access memory

摘要： Computer Systems A Programmer's Perspective Second Edition As we will discuss, the extension of IA32 to 64 bits, termed x86-64, was origi- nally devel 阅读全文

posted @ 2016-12-05 13:04 papering 阅读(253) 评论(0) 推荐(0)

2016年12月3日

Two's complement

摘要： https://en.wikipedia.org/wiki/Two's_complement The two's-complement system has the advantage that the fundamental arithmetic operations of addition, s 阅读全文

posted @ 2016-12-03 22:30 papering 阅读(223) 评论(0) 推荐(0)

word size

摘要： Computer Systems A Programmer's Perspective Second Edition Running throughout the system is a collection of electrical conduits called buses that carr 阅读全文

posted @ 2016-12-03 01:03 papering 阅读(335) 评论(0) 推荐(0)

2016年12月2日

21335592 ROWS

摘要： CREATE TABLE w_big SELECT * FROM ( SEELCT * FROM w_tab UNION ALL SELECT * FROM w_tab_copy_modify ) AS w_tmp 阅读全文

posted @ 2016-12-02 20:13 papering 阅读(164) 评论(0) 推荐(0)

2016年12月1日

blockchain

摘要： blockchain 阅读全文

posted @ 2016-12-01 18:05 papering 阅读(161) 评论(0) 推荐(0)

4 bytes (32 bits) or 8 bytes (64 bits)

摘要： Computer Systems A Programmer's Perspective Second Edition BusesRunning throughout the system is a collection of electrical conduits called busesthat 阅读全文

posted @ 2016-12-01 13:35 papering 阅读(408) 评论(0) 推荐(0)

buffer overflow vulnerabilitie

摘要： Computer Systems A Programmer's Perspective Second Edition Avoiding security holes.For many years,buffer overflow vulnerabilitieshave accounted for th 阅读全文

posted @ 2016-12-01 00:58 papering 阅读(314) 评论(0) 推荐(0)

2016年11月30日

wdate-year-month-week-gategory-amount-coin

摘要： 2016-12-02 19:46:39 the whole table DISTINCT field SUM(field) COUNT(field) 888983 rows OK 阅读全文

posted @ 2016-11-30 19:48 papering 阅读(230) 评论(0) 推荐(0)

heapsort

摘要： Introduction to Algorithms Third Edition The (binary) heap data structure is an array object that we can view as anearly complete binary tree (see Sec 阅读全文

posted @ 2016-11-30 13:25 papering 阅读(242) 评论(0) 推荐(0)

从一个表复制信息到另一个表

摘要： SQL INSERT INTO SELECT 语句 | 菜鸟教程 https://www.runoob.com/sql/sql-insert-into-select.html 我们可以从一个表中复制所有的列插入到另一个已存在的表中： INSERT INTO table2SELECT * FROM t 阅读全文

posted @ 2016-11-30 12:32 papering 阅读(255) 评论(0) 推荐(0)

2016年11月29日

Euler's totient function

摘要： https://en.wikipedia.org/wiki/Euler's_totient_function counts the positive integers up to a given integer n that are relatively prime to n. if two num 阅读全文

posted @ 2016-11-29 23:38 papering 阅读(432) 评论(0) 推荐(0)

逻辑bug 测试用例

摘要： 1、 179. 最大数 - 力扣（LeetCode） https://leetcode-cn.com/problems/largest-number/ 给定一组非负整数 nums，重新排列它们每个数字的顺序（每个数字不可拆分）使之组成一个最大的整数。注意：输出结果可能非常大，所以你需要返回一个字符阅读全文

posted @ 2016-11-29 22:45 papering 阅读(201) 评论(0) 推荐(0)

Law of total probability

摘要： https://en.wikipedia.org/wiki/Law_of_total_probability the total probability of an outcome which can be realized via several distinct events - hence t 阅读全文

posted @ 2016-11-29 15:21 papering 阅读(343) 评论(0) 推荐(0)

127 2016 int

摘要： http://dev.mysql.com/doc/refman/5.7/en/integer-types.html 阅读全文

posted @ 2016-11-29 14:43 papering 阅读(165) 评论(0) 推荐(0)

How to Write a Spelling Corrector

摘要： http://norvig.com/spell-correct.html Feb 2007to August 2016 How to Write a Spelling Corrector One week in 2007, two friends (Dean and Bill) independen 阅读全文

posted @ 2016-11-29 13:32 papering 阅读(467) 评论(0) 推荐(0)

prior knowledge

摘要： https://en.wikipedia.org/wiki/Bayes'_theorem For example, if cancer is related to age, then, using Bayes’ theorem, a person’s age (prior knowledge) ca 阅读全文

posted @ 2016-11-29 12:25 papering 阅读(387) 评论(0) 推荐(0)

2016年11月28日

拼写纠正 Artificial Intelligence: A Modern Approach

摘要： Artificial Intelligence: A Modern Approach http://mindhacks.cn/2008/09/21/the-magical-bayesian-method/ 阅读全文

posted @ 2016-11-28 13:37 papering 阅读(275) 评论(0) 推荐(0)

Subset sum problem

摘要： https://en.wikipedia.org/wiki/Subset_sum_problem In computer science, the subset sum problem is an important problem in complexity theory and cryptogr 阅读全文

posted @ 2016-11-28 08:54 papering 阅读(309) 评论(0) 推荐(0)

2016年11月27日

routing decisions based on paths, network policies, or rule-sets configured by a network administrator

摘要： https://en.wikipedia.org/wiki/Border_Gateway_Protocol Border Gateway Protocol (BGP) is a standardized exterior gateway protocol designed to exchange r 阅读全文

posted @ 2016-11-27 10:18 papering 阅读(210) 评论(0) 推荐(0)

communicate with other processes, regardless of where they are running

摘要： Advanced Programming in the UNIX Environment Third Edition Advanced Programming in the UNIX Environment Third Edition In the previous chapter, we look 阅读全文

posted @ 2016-11-27 01:07 papering 阅读(255) 评论(0) 推荐(0)

2016年11月26日

谓词

摘要：汉语的体词包括名词,数词,量词；汉语的谓词包括动词和形容词。阅读全文

posted @ 2016-11-26 20:25 papering 阅读(383) 评论(0) 推荐(0)

1763 An Essay towards solving a Problem in the Doctrine of Chances

摘要： https://en.wikipedia.org/wiki/An_Essay_towards_solving_a_Problem_in_the_Doctrine_of_Chances 阅读全文

posted @ 2016-11-26 10:51 papering 阅读(268) 评论(0) 推荐(0)

2016年11月25日

enhance convenience rather than contribute to the fundamental power of the language

摘要： Computer Science An Overview _J. Glenn Brookshear _11th Edition Universal Programming Languages In Chapter 6 we studied a variety of features found in 阅读全文

posted @ 2016-11-25 12:32 papering 阅读(208) 评论(0) 推荐(0)

2016年11月24日

Behavior-Based Intelligence

摘要： Computer Science An Overview _J. Glenn Brookshear _11th Edition Early work in artificial intelligence approached the subject in the context of explici 阅读全文

posted @ 2016-11-24 22:23 papering 阅读(261) 评论(0) 推荐(0)