papering - 博客园

2016年12月13日

摘要： High Performance My SQL THIRD EDITION Each client connection gets its own thread within the server process. The connection’squeries execute within tha 阅读全文

posted @ 2016-12-13 16:26 papering 阅读(151) 评论(0) 推荐(0)

locality

摘要： Computer Systems A Programmer's Perspective Second Edition Well-written computer programs tend to exhibit good locality . That is, they tend to refere 阅读全文

posted @ 2016-12-13 13:29 papering 阅读(487) 评论(0) 推荐(0)

Universal Serial Bus USB 3.0

摘要： Computer Systems A Programmer's Perspective Second Edition A Universal Serial Bus (USB) controller is a conduit for devices attached to a USB bus, whi 阅读全文

posted @ 2016-12-13 13:06 papering 阅读(232) 评论(0) 推荐(0)

2016年12月12日

Shared libraries

摘要： Computer Systems A Programmer's Perspective Second Edition Shared libraries are modern innovations that address the disadvantages of static libraries. 阅读全文

posted @ 2016-12-12 23:12 papering 阅读(156) 评论(0) 推荐(0)

2016年12月11日

泌尿系统 Excretory system

摘要： https://zh.wikipedia.org/wiki/泌尿系统泌尿系統，有時也歸類於排泄系統（Excretory system）的一部分，負責尿液的產生、運送、儲存與排泄。人類的泌尿系統包括左右兩顆腎臟、左右兩條輸尿管、膀胱、內外兩道括約肌，以及尿道。泌尿系統的主要功能為排泄。排泄是指機體代阅读全文

posted @ 2016-12-11 22:16 papering 阅读(253) 评论(0) 推荐(0)

2016年12月10日

dynamic-link library shared library of functions and resources

摘要： https://msdn.microsoft.com/en-us/library/1ez7dh12.aspx A dynamic-link library (DLL) is an executable file that acts as a shared library of functions a 阅读全文

posted @ 2016-12-10 21:38 papering 阅读(163) 评论(0) 推荐(0)

2016年12月9日

xpath

摘要： $x("//ul[@id='s-results-list-atf']//li[@data-asin]/@data-asin") https://www.amazon.com/s/ref=nb_sb_noss?url=node%3D13896617011&field-keywords=huawei < 阅读全文

posted @ 2016-12-09 16:23 papering 阅读(299) 评论(0) 推荐(0)

Static Random-Access Memory Dynamic Random-Access Memory

摘要： COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION RAM technology is divided into two technologies: dynamic and static. A 阅读全文

posted @ 2016-12-09 13:27 papering 阅读(323) 评论(0) 推荐(0)

zero cycles - 1 to 30 cycles - tens of millions of cycles

摘要： Computer Systems A Programmer's Perspective Second Edition To this point in our study of systems, we have relied on a simple model of a computer syste 阅读全文

posted @ 2016-12-09 13:12 papering 阅读(234) 评论(0) 推荐(0)

regardless of how many processors are devoted to a parallelized execution of this program

摘要： https://en.wikipedia.org/wiki/Amdah's_law Amdahl's law is often used in parallel computing to predict the theoretical speedup when using multiple proc 阅读全文

posted @ 2016-12-09 12:48 papering 阅读(231) 评论(0) 推荐(0)

2016年12月8日

Maximum Likelihood

摘要： https://en.wikipedia.org/wiki/Maximum_likelihood_estimation http://mathworld.wolfram.com/MaximumLikelihood.html 阅读全文

posted @ 2016-12-08 23:12 papering 阅读(153) 评论(0) 推荐(0)

Distinctive Image Features from Scale-Invariant

摘要： http://nichol.as/papers/Lowe/Distinctive Image Features from Scale-Invariant.pdf Abstract This paper presents a method for extracting distinctive inva 阅读全文

posted @ 2016-12-08 20:08 papering 阅读(192) 评论(0) 推荐(0)

Gender, Genre, and Writing Style in Formal Written Texts

摘要： http://u.cs.biu.ac.il/~koppel/papers/male-female-text-final.pdf Abstract. This paper explores differences between male and female writing in a large s 阅读全文

posted @ 2016-12-08 20:05 papering 阅读(282) 评论(0) 推荐(0)

Capabilities and Limitations of Optimizing Compilers

摘要： Computer Systems A Programmer's Perspective Second Edition Modern compilers employ sophisticated algorithms to determine what values are computed in a 阅读全文

posted @ 2016-12-08 19:59 papering 阅读(235) 评论(0) 推荐(0)

Linguistic corpora 种子语料库-待分析对象-分析与更新语料库

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(421) 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(186) 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(238) 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(263) 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(224) 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(491) 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(198) 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(948) 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(551) 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(193) 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(147) 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(325) 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(160) 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(200) 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(159) 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(129) 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(201) 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(202) 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(306) 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(139) 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(146) 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(378) 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(273) 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(181) 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(205) 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(228) 评论(0) 推荐(0)