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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
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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
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$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
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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
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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
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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
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posted @ 2016-12-08 23:12
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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
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posted @ 2016-12-08 20:05
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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
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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
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posted @ 2016-12-08 13:10
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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
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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
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posted @ 2016-12-07 16:04
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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
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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
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posted @ 2016-12-07 12:53
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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
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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
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posted @ 2016-12-06 18:29
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posted @ 2016-12-06 15:32
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posted @ 2016-12-06 13:18
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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
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simplify the design of the hardware forming the interface between the processor and thememory system
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posted @ 2016-12-06 12:34
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posted @ 2016-12-06 08:57
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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
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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
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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
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posted @ 2016-12-02 20:13
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posted @ 2016-12-01 18:05
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posted @ 2016-12-01 13:35
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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
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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
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posted @ 2016-11-30 13:25
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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
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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
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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
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posted @ 2016-11-29 14:43
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