robot chapter 7 summary

initialization, and the loop body statement must contain operations that can eventually change the authenticity of the loop condition.④ the loop body first, then the cycle condition is judged.(3) The same point: the expression can be any legal expression, the loop body statement can only be a statement, the loop body statement must contain can eventually change the loop condition of the authenticity of the operation.(4) Different points: Whlie, for first judge the condition, the condition satis

authenticity of the loop condition.④ the loop body first, then the cycle condition is judged.(3) The same point: the expression can be any legal expression, the loop body statement can only be a statement, the loop body statement must contain can eventually change the loop condition of the authenticity of the operation.(4) Different points: Whlie, for first judge the condition, the condition satisfies after enters the circulationDo-whle the loop body first, then the cycle condition is judged.Ex

MountainMemory system performance is not a number can be described. Each computer has the only memory mountain that indicates the capabilities of his memory system. It is a local mountain of time and space, and the elevation of this mountain can vary more than one order of magnitude. If the program runs on a mountain rather than a trough.Objective: To make use of time locality to remove frequently used words from L1 and to use spatial locality to make as many words as possible from a L1 cache l

11th Chapter related Containers1. A simple example of using map:The result of the operation is:2. Initialize the map and set:3. The difference between set and Multiset:4. When using map and set, the element type must be strictly weak (that is, the comparison is defined ), and if the element type does not have a defined 5. Pair type: Pair is a template that is used to generate a specific type. The default constructor for the pair initializes the v

it will be an error ( you can try it yourself to see what the situation is ).18. Assignment operators achieve copy assignment and move assignment two functions P478If the parameter of the assignment operator is a call to a value , the initial taxiing parameter with the argument needs to call the copy constructor ( The argument is an lvalue ) or move the constructor ( the argument is the right value ). Then the equivalent copy assignment and move assignment can be implemented in the following wa

test.Object-oriented test cases1. Date test; 2. Linear table problems.GUI test Case1. First set of test cases: used to test the 3 states in the state diagram respectively internal conversion; 2. Second set of test cases: used to test the 3 states in the state diagram of the respective internal conversion; 3. The third set of test cases: used to test the correctness of the addition formula,Software testing ToolsJunitBasic use is very simple, the basic steps are as follows: 1. Created, from JUnit

the past, when new systems or software were written to access the Internet, it was also necessary to write new protocols that corresponded to the necessary functions. Recently, however, most of the systems and software that use HTTP have taken up. There are many reasons for this, and there is a great relationship with the firewall settings of the enterprise or organization. The basic function of a firewall is to prohibit packets that are not specified by protocol and port numbers from passing t

merging of two pictures4 5 */6 7 8 9 //set the scope of contentTen One_imgtop.layer.contentsrect = CGRectMake (0,0,1,0.5); A -_imgbottom.layer.contentsrect = CGRectMake (0,0.5,1,0.5); - the - - //Setting the anchor point makes the move - +_imgtop.layer.anchorpoint = Cgpointmake (0.5,1); - +_imgbottom.layer.anchorpoint = Cgpointmake (0.5,0); A at - - Three-dimensional: far small near large effect1Catransform3d trans =c

identifiers cannot have duplicate names with keywords.2 The variable name is all lowercase (if it consists of multiple words, the first letter of the following word is capitalized)3 constant names are all uppercaseFive, key wordsSome of the specific meanings in Java are called keywords (keyword), which are used as specialized strings.Most editors mark keywords in a special way.All Java keywords are in lowercase english.VI. Basic Data type conversionsAutomatic data type conversion float F = 2 +

= {{...},{...},{}};2.3) Traversal caseImportjava.util.scanner;classtestarr{publicstaticvoidmain (String[] Args) {/*int[][]arr={{1,2,3},{2,3,4},{3,4,5}};int[][]_arr={};int[][] arr1=newint[3][2];int[][]_arr1=newint[][]{{1,2,3},{2,3,4 },{3,4,5}};int[][]arr2=newint[3][];arr2[0]=newint[]{1,2,3}; Arr2[1]=newint[]{2,3,4};arr2[2]=newint[]{5,6,7};//int[][][]arr3 =newint[5][6][6];//traversal of a two-dimensional array //a layer of loops is the traversal of all one-dimensional arrays in the two-dimensiona

1. Object-oriented has 3 main features, which are encapsulated. Succession, polymorphism.2, suppose a drug is set to inherit must specify Notfinal, this class cannot be inherited or.3, if you want to check out the data to sort, you can use map or order to define the function.4. In a class. The construction method provided by default requires that all property content be passed. Assuming that the user has the need, you can also use constructor to define the constructor that defines the parameters

segment register. When 8086CPU accesses memory, the segment register provides the segment address of the memory unit. The 8086CPU has 4 segment registers, where CS is used to store the segment address of the instruction. CS holds the segment address of the instruction, andtheIP holds the offset address of the instruction. 8086 machine, at any moment, theCPU will CS:IP pointing to the content as an instruction execution. 8086CPU working process:from CS:theIP points to the memory unit read instr

1. Overview TCP client/server model in this Chapter 2. TCP echo server program 1). main Function #include "unp.h"int main(int argc, char **argv){ int listenfd, connfd; pid_t childpid; socklen_t clilen; struct sockaddr_in cliaddr, servaddr; listenfd = Socket (AF_INET, SOCK_STREAM, 0); bzero(servaddr, sizeof(servaddr)); servaddr.sin_family = AF_INET; servaddr.sin_addr.s_addr = htonl (INADDR_ANY); servaddr.sin_port

Git-byLinuxthe FatherLinuswriting, is a source code control software. Linusfrom the perspective of a file system expert and a kernel designerGitdesign, its unique design allowsGitwith exceptional performance and optimized storage capabilities,Gitin all respects is superior to other similar source control software. In learningAndroidandLinuxkernel, the process of driving development involves a lot of source code, and the code isGitmanagement, and therefore, in learningAndroidTransplant andLinuxUn

UITableViewCell(2) Rewrite Initwithstyle:reuseidentifier: MethodAdd all the child controls that need to be displayed (you don't need to set the child control's data and frame, and the child controls are added to the Contentview)One-time property setting for child controls (some properties need to be set only once, such as fonts \ fixed images)(3) 2 models availableData model: Storing text data \ Picture dataFrame model: The height of the Frame\cell that holds the data model \ All child controls

iterator refers to.7. Sort and unique de-reordering algorithms.Note:unique does not really remove the container repeating element , It is only the repeating element with the value of the non-repeating element , the space behind the container is still valid, But the value is not necessarily the number.8. Stable sorting Stable_sort and custom operation:9. Use of Lambda and find_if:For_earch algorithm: Invokes a unary predicate on each element in the i

1. HTML syntax:The tag is a hierarchical structure, and the label is considered a name, and the value is inserted.Key components: 2. Parsing mode:File Start But can also be transmitted by Content-type,For key characters in 1, the 3. Parser Behavior:Very high tolerance for errors, spaces, special characters, HTML filter design sometimes can not only consider a layer two layer,And the multiplicity of labels,Standard inconsistencies across browsers4. Entity code: Symbol at the beginning, end of sym

Summary of the first phase of fusioncharts V3 localization plan (Chapter 1 completed in Chinese) The index is as follows: Fusioncharts V3 is a set of very good flash Chart display controls. Currently, we have chosen it as a front-end display tool in our self-developed Bi system. Although many friends in the garden have adopted this tool, unfortunately, there is not a complete Chinese tutorial. I foun

cell by way of code(1) New? A class that inherits from UITableViewCell(2) Rewrite Initwithstyle:reuseidentifier: MethodAdd all the child controls that need to be displayed (you don't need to set the child control's data and frame, and the child controls are added to the Contentview)One-time property setting for child controls (some properties need to be set only once, such as fonts \ fixed images)(3) 2 models availableData model: Storing text data \ Picture dataFrame model : The height of t

(P307), the following is the use of insert:Use Insert The return value : Insert () returns an iterator to the first element it inserts .6. Use the Emplace operation:7. In addition to forward_list, other sequential containers support front () and back () operations, but P311 Books say they return references , But my test results are not so , where is the problem ?Let's look at another way:Description Front () and the Back () does return a reference