nyu computer science

cs:app-2.1 Information Store Unknown: knowledge: The word length indicates the nominal size of the pointer data. The most important system parameter determined by the word length is the maximum size of the virtual address space Char types can also be used to store integer values Using an integer type of deterministic size is the best way for programmers to accurately control data representation The pattern of arranging an object byte in a machine for a normal user is a small-ended

The Zen of Python, by Tim PetersBeautiful is better than ugly.Explicit is better than implicit.Simple is better than complex.Complex is better than complicated.Flat is better than nested.Sparse is better than dense.Readability counts.Special cases aren ' t special enough to break the rules.Although practicality beats purity.Errors should never pass silently.Unless explicitly silenced.In the face of ambiguity, refuse the temptation to guess.There should is one--and preferably only one--obvious th

The set of operations that make up a single logical unit of work is called a transaction (transaction).Even if there is a failure, the database system must ensure that the transaction is executed correctly-either the entire transaction is executed or the operation belonging to the transaction is not executed.1. Concept of transactionsTransactions are typically caused by advanced data manipulation languages or programming languages that access written user programs through JDBC or ODBC embedded d

to do FLASH stuff before I understood AS2) April December:Finally, I started my long journey to C ++. Although the lecturer compared me (he actually said that the BASIC language was invented by Bill Gates ?!! Fainting ~~~), I have long been unable to care so much. I want to learn C ++. I want to learn C ++ too much. C ++ is like a tree with countless beautiful fruits, every time you pick a fruit, you will be stabbed by thorns to the skin. However, when the fruit is delicious and put into your m

helped his students understand many ideas and themes in the source code, and frankly explained his confusion about some parts of the Code. the reprinted document has been educated by a generation. It is the largest copy of a book in the computer industry. it is a good thing to keep this public record.---- Dennis. M. RidgeFinally, I would like to mention that the most widely-spread underground computer

Postgraduate experience in computer science at Wuhan University The key to postgraduate entrance exams lies in perseverance! Never accept failure, no matter how often it visits you. Keep on going. Never give up. Never! Why do you want to take an postgraduate entrance exam? Everyone can have their own reasons. Maybe it's just to have a relatively perfect college life, a wonderful start, and a wonderful end.

Bachelor degree in computer science DesignDevelopment of the student archive management system×××(2004July) Preface The computer has become a mantra hanging in the corner of our mouth. It has penetrated into all aspects of daily work and life, such as text processing, information management, aided design, graphic image processing, education and training, and

One, the level of computer science in my eyes:It's like a martial arts Jiangzi. Martial Arts are divided into internal strength and drilling . In fact, these are the students of the computer Department of the university compulsory course, only in the system and the impact of the environment, most people have not realized what, are 60 points long live.①, logic an

programming language, Version 2Original Author: Brian W. kernighan/Dennis Ritchie Title: the art and science of C: A library-based introduction to computer scienceTitle (Chinese): Science and Art in C LanguageOriginal Author: Eric S. Roberts Title: programming into actions in C: a second course in computer scienceTitl

This warehouse is mainly used to summarize the basic theoretical knowledge of computer science and the relevant content of mainstream programming language, each of which corresponds to a large direction.Main contentThe main computer base has the following major directions: DataBase Datastructure Linux_os Network Algorithm Math The programmi

In the twinkling of an eye, I have been studying computer science for almost six years. The New Year's senior students are about to leave the school. In less than half a month, we will become the oldest group of students in the lab, but what does this mean. To put it bluntly, I learned it by myself, from C language to C ++, Java, C #, HTML to CSS, JS, ASP to ASP. NET. , JSP. PHP, I have been sending

Hardware (Hardware)Software (software)Buses (bus)CPU (central processing UNIT,CPU)Control UnitArithmetic/logic unit (arithmetic/logic unit)Bit (bite)BYTE (byte)Encoding Mode (Schema)Memory is also known as Random access memory (random-access Memory,ram)Drives (drive)HDD (hard disk)Universal Serial Line (Universal Serial Bus,usb)USB flash drives (flash drive)Display (monitor)Screen resolution (resolution)Dial-up modem (modulator/demodulator, modulator/demodulator)DSL (digitally subscriber line, d

and 1, the basic theory of hardware design-Boolean algebra, that is, the logic and 0 and 1 of the operation of a digital circuit design theory, people's basic thinking mode and the computer's 0 and 1 operations are interlinked.4. About Chinese characters outside the code, Chinese characters outside the code is not necessarily equal length code, Chinese characters outside the code is not 0,1 encoding, Chinese characters outside the code is used to input Chinese characters into the machine used i

Any calculation problem can be accomplished by performing a series of operations in a specific order. The problem-solving process (procedure) is called an algorithm (algorithm), which includes:1. Action performed (action)2. Sequence of actions performed (order)The following example shows how important it is to correctly specify the order in which operations are performed:Consider the "Sunrise algorithm" for everyone waking up to work in the Morning: (1) getting Up, (2) undressing, (3) bathing, (

I often heard the chief executive say, "If you want to submit a job, data must be good !!』 I believe this sentence involves many people, but is it true? I have been programming for so many years, although I still like data, but I have never used any data in the old saying, I have always been skeptical about the long term. Today, I am going to hear about the structure and presentation of materials in the Information Department.AlgorithmAfter that, I always understand the meaning of this sente

1. Introduction1 What is data compression?Data compression reduces the amount of data sent or stored by partially eliminating the inherent redundancy in the data.Data compression improves the efficiency of data transfer and storage, while protecting the integrity of the database.2 Data compression methodThe data compression method is divided into lossless compression and lossy compression.Lossless compression is suitable for text or programs. lossy compression is suitable for images, video, and

1. IntroductionWhat is a digital system?A digital system (or digital system) defines how a number is represented by a unique symbol.There are two types of digital systems: positional digital systems and non-positional digital systems.2. Position Digital SystemIn a positional digital system, the position that the symbol occupies in a number determines the value it represents.(1) Decimal System① integer② Real numbers(2) binary system① integer② Real numbers(3) Hex system① integer② Real numbers(4) O

, really? Then everyone is on a starting line, why do you get high wages? Even, you do not have anything, just will Baidu, the company with what use you?100,000-line program, say a little more, adhere to 300 lines of code every day, 1 years will be able to achieve. can also buy a few super-useful code snippets, adhere to practice 20 pieces of useful code every day, but also understand the new technology. Learn about other people's development experience, but also familiar with the web developmen

method is to apply the principle of the tree file system to a single file system. The tree file system contains subdirectories and subdirectories. Structured Storage stores the data in a file, which greatly improves the efficiency of disk space usage.5. Structured Data First, there is a structure, and then there is data. For example, the data storage method in a relational database does not change the structure of the orders table in the storage pot. The logical structure of the data is determ

Instruction Set Y86 Instruction Set Operator: addl, subl, andl, and xorl Jump character: JMP, jle, JL, je, JNE, jge, andjg Condition characters: cmovle, cmovl, cmove, cmovne, cmovge, and cmovg Others: Call, pushl, popl, halt Registers % Eax, % ECx, % edX, % EBX, % ESI, % EDI, % ESP, % EBP The stack pointer has % ESP. The address where the PC stores the current command Condition code (Status Code) 1. Normal Command Execution 2. Pending 3. invalid read/write address 4. Invalid Command Instr