pmp fifth edition

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C # Getting Started Classic (fifth edition) learning notes (iv)

-static field of the current object to the new object. If the field is of value type, a bitwise copy of the field is performed. If the field is a reference type, the referenced object is copied and not copied, so the original object and its replica refer to the same object. Deep replication, that is, the implementation of the ICloneable interface. ICloneable can be used for deep copy and shallow copy.To illustrate: Public class Content { publicint Val;}Shallow copy (shallow copy) Public cla

"C + + Primer (fifth edition)"

# commonly used in ACM: To determine whether the entire read process is over. (p280) while (CIN >> word) // read operation succeeded ...This method is inefficient and is more efficient in this way: "ACM Notes" No.4 http://www.cnblogs.com/fengyubo/p/4769254.html# Ifstream ReadOfstream WriteFStream Reading and writingFstream::open (s) // Open File Sfstream::close () // close File# Q: Why does C + + not put the file type into a built-in initialization of an object-like Cin, cout, Cerr? I

C # University Course (fifth edition) after class exercise 17.3 student Achievement Document

();output = null;Statuslabel.text = "Closing file";Saveasbutton.enabled = true;Saved = false;}DialogResult result;String FileName;using (OpenFileDialog chooser = new OpenFileDialog ()){result = Chooser. ShowDialog ();FileName = Chooser. FileName;}if (result = = DialogResult.OK){if (FileName = = string. Empty)MessageBox.Show ("Invalid file name", "Invalid file name",MessageBoxButtons.OK, MessageBoxIcon.Information);Else{input = new StreamReader (fileName);String entry = input. ReadLine ();Grades

C # University Course (fifth edition) after class exercise 17.4 serialization and de-serialization

Filechooser = new OpenFileDialog ()){result = Filechooser.showdialog ();FileName = Filechooser.filename;}if (result = = DialogResult.OK){if (FileName = = string. Empty)MessageBox.Show ("Invalid file name", "Invalid file name",MessageBoxButtons.OK, MessageBoxIcon.Information);Else{Fileinout = new FileStream (FileName,FileMode.Open, FileAccess.Read);Gradestextbox.clear ();Try{while (true){Classgrade entry =(Classgrade) Formatter. Deserialize (fileinout);Gradestextbox.appendtext (Formatentry (entr

"Computer network Fifth edition" Reading note four: Network layer

layer processing, physical layer processing, and send to route group 9.IP multicasting : using class-D IP(1) The multicast address can only be used as the destination address, not as the source address(2) Internet Group Management Protocol IGMPVirtual Private network and network address translation Nat(1) All destination routers in the Internet do not forward the data of the dedicated address at the destination address. Such as: 10.0.0.0 to 10.255.255.255 172.16.0.0 to 172.31.

"The Problem" the fifth edition of Online programming contest month Two: Walk lattice

for the left-to-right (I! = 1 and I! = N), you can get the formula:G (i) = f (i-1) + f (n-i)To verify authenticity, verify by n=3.N=3F (1) = 1;F (2) = 3;F (3) = f (1) + F (2) + 1 = 5There are two boundaries and an intermediate point, and the middle point evaluates toG (2) = f (1) + f (1) = 2Then the final result is 2 + 5 * 2 = 12Then 12 times 2 of three squares: 12 * 8 = 96Problem solving.The implementation code is as follows:#include #define MOD (i) (i)% 1000000007Long Longborder[1010] = {0};i

C Primer Plus (Fifth Edition) 15th chapter position Operation programming Exercise

font s) change size a) change alignmentb) Toggle Bold i) Toggle italic u) Toggle UnderlineQ) quitQbye!A program should use the operator and the appropriate mask to ensure that the font ID and font size information are converted to the specified range.#include 7. Write a program that is identical to the functionality described in Exercise 6. Use a unsigned long to save the font information, and use the bitwise operator instead of the bit member to manage the information.#include This article is

The path to C ++ primer (fifth edition)-Chapter 4: expressions, C Language

The path to C ++ primer (fifth edition)-Chapter 4: expressions, C Language [Disclaimer: All Rights Reserved. indicate the source for reprinting. Do not use it for commercial purposes. Contact mailbox: libin493073668@sina.com] 4.1 Basics 1. The expression is composed of one or more operation objects (operand). Evaluate the expression to get a result ). The literal value and variable are the simplest expres

[C # entry classic (fifth edition)] Chapter 2 C # program Compilation

Chapter 2 C # program Compilation 1. CTS: common type system; ---> common type system. 2. CLR: Common Language Runtime ); 3. Pencil: Common intermediate language ); 4. JIT compiler: Just-in-time; 5. GAC: Global Assembly caches ); 6. Garbage collection; 7. Link; 8. Ado. Net: Active Data Objects. net; 9. LINQ: Language Integrated Query; 10. Oop: object-oriented programming ); 11. Ide :( integrated development environment) integrated development environment [C # entry classic (

Read the JavaScript authoritative guide (sixth Edition) Notes (chapter fifth)

StatementAn expression is a phrase in JavaScript, and the statement is a JavaScript whole sentence or command. Use a period to end to separate statements. An expression evaluates a value, but the statement is used to execute to make something happen.5.2 Compound statements and empty statementsCompound statement: Enclose multiple statements in curly braces to form a conforming statement.{ x = Math.PI; CX = Math.Cos (x); ................... } First, the end of a statement block does

JavaScript Primer Classic (fifth edition)-Tsinghua Press's "classic" error

The school textbooks are so rotten that they buy their own books.It was the beginning of the classic, the opening of the Startled me ~Nineth page ≯1.4/ch1_example2.html/1 Script>2 //Script block 23 document bgcolor="Red";4 Alert ("Second script block");5 Script>Run without passing, carefully examine the found1 document BgColor should be Document.bgcolorIf you say ". "Written" is a clerical error, then "bgcolor" in JavaScript is a beginner's mistake.HTML is not sensitive to capitalization, an

C + + Primer Fifth Edition exercise answer chapter II

; //Decltype (a) c = A; c is of type int, and a is the initial value of CDecltype ((b)) d = A; D is the int type and is a reference++c; The value after ++c is 4;++d; The value after ++d is 4Exercise 2.37Q: Assignment is a class of typical expressions that generate references, and the type of reference is the type of the left value. That is, if I is an int, the type of the expression i=x is int. The type of the following variables is indicated according to this feature.A:int A = 3, b = 4; A, b ar

(original) C++primer (fifth edition)--1.1 a simple C + + program

function . In this case, the return type of main is int, and the return value of 0 is indeed a value of type int. extension: If the function does not need a return value, only void is used. If you need to end the function with a return, you do not need to follow the argument after return. Example: // There is a return type int getsum (int A, int b) { return a + b; } // no return type void Myprint () {std::cout this is test " Std::endl; return ;//This return statement may no

Study with me MySQL Technical Insider (fifth Edition): (chapter III Study diary 2)

character to the corresponding UCS2 character.This section concludes with a description of the difference between binary strings and non-binary strings that use binary string collations .1. The binary string does not have the concept of a character set. It will be interpreted as a byte, and the comparison is a single-byte numeric code2. Non-binary strings that use binary collations are interpreted as characters and are compared to their numeric character values, which are usually calculated ba

C + + Primer (Fifth edition) learning Note _6_ Standard Template Library _set collection container

C + + Primer (Fifth edition) learning Note _6_ Standard Template Library _set collection containerThe Set collection container implements the data structure of the balanced binary search tree of the red and Black Tree (Red-blacktree), and when the element is inserted, it automatically adjusts the sorting of the binary tree and places the element in the appropriate position.(1) Ensure that the key value of e

C + + Primer (Fifth edition) learning Note _8_ Standard Template Library _map mapping container

C + + Primer (Fifth edition) learning Note _8_ Standard Template Library _map mapping containerThe element data of a map mapping container consists of a key value and a mapping data, which has a relationship of one by one mappings between the key value and the mapping data.The data structure of the map mapping container is also implemented using red and black trees.1. Map creation, element insertion, and tr

C + + Primer (Fifth edition) learning Note _2_ Standard Template Library vector (1)

C + + Primer (Fifth edition) learning Note _2_ Standard Template Library vector (1)Welcome to read the reference, if there are errors or questions, please leave a message to correct, thank youVector container vectors not only can be randomly accessed as arrays, but can also be used to insert elements at the tail, which can replace arrays.It is important to note that vector has the function of automatic memo

C ++ Primer (fifth edition) Study Notes _ 8_standard template library _ map ing container, _ 8_map

C ++ Primer (fifth edition) Study Notes _ 8_standard template library _ map ing container, _ 8_map C ++ Primer (fifth edition) Study Notes _ 8_standard template library _ map ing container The element data of the map ing container is composed of a key value and a ing data. The key value and the ing data have a one-to-o

Perl concise Programming, "Perl Language Primer (Fifth Edition)" Reading notes

Tidy up the notes you put on Hi.baidu years ago!Perl concise Programming, "Perl Language Primer (Fifth Edition)" Reading notes 20110316!The book was bought very early, simply turned over and dropped!Recently bought an ipad, a good reading experience, used to read books, feel the book can look in!You can't look it over and tidy up your reading notes!Perl's program can be so concise!!!Sub division {$_[0]/$_[1

C + + Primer Fifth Edition: Chapter 2nd

C + + Primer Fifth Edition 2nd Chapter study Notes * * * *Experimental code is debugged in red Hat 6.6 or vs 2013 * * * * *The content of the article is based on the current knowledge writing, the limitations of cognition * * *Today to learn C + + Primer 2nd Chapter, has not read, first write a little reading experience and notes.The object type determines the data that the object contains and the operation

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