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("---*****************---"); System.out.println ("Server:" +is.readline ()); ReadLine=sin.readline ();//reads a string s from the system standard input} os.close (); Is.close (); Client.close (); } Catch(unknownhostexception e) {//TODO auto-generated Catch blockSystem.out.print ("==================== Cannot find host name"); } Catch(IOException e) {System.out.print ("===================io Error"); } }}The above is the service-side code;Everyone is an adult, so the d

1#include"stdafx.h"2#include"stdlib.h"3 4 intPartition (int*arr,int_low,int_high);5 voidQSort (int*arr,intLowintHigh );6 voidQuickSort (int*arr,intLowintHigh );7 voidSwap_a (int*arr,intIintj);8 int_tmain (intARGC, _tchar*argv[])9 {Ten intarr[Ten] = {1,2,0,9,3,5,4,6,8,7}; OneQuickSort (arr,0,9); A - for(intI=0;iTen;++i) - { theprintf"%d\t", Arr[i]); - } -System"Pause"); - return 0; + } - + intPartition (int*arr,intLowintHigh ) A { at intPivotKey; -PivotKey = * (arr+Low

)) { if (runState != RUNNING || poolSize == 0) ensureQueuedTaskHandled(command); } //如果线程池不处于运行中或任务无法放入队列，并且当前线程数量小于最大允许的线程数量，则创建一个线程执行任务。 else if (!addIfUnderMaximumPoolSize(command)) //抛出RejectedExecutionException异常 reject(command); // is shutdown or saturated }} When the thread pool creates threads, the thread is encapsulated as a worker thread worker,worker the tasks in the work queue are executed indefinitely after the

for(; OPop.document.readyState! = "complete"; )Ten { One if(OPop.document.readyState = = "complete") Break; A } -OPop.document.execCommand ("SaveAs"); - opop.close (); the - } - Else{ - + varEvt=document.createevent ("Mouseevents"); -Evt.initmouseevent ("click",false,false); + varA=document.createelem

copy of our incoming arguments is limited to this stack area, which is the fate of the local variables. For basic data variables, the function is not affected because its value is present on the stack and is independent of the stack memory of the function that called the method. The value of the reference variable is the address, which points to an address in the heap area, which is a shared memory. Our operation is to manipulate the data in the heap area (continue to see below, this sentence i

namespace into the client module, but does not import the following underscore "_" variable, if defined "__all__" The variables are read first. No matter how many variables are copied, the From statement always imports the entire module into memory. A potential threat from the from statement is that if a variable with the same name exists in the client, its value is replaced by the imported value, and the old variable value may be imported when used with reload. If you use from to get a specifi

Crectangle::P rinttotal () {cout cause of error:When using the Crectangle class, the copy constructor is sometimes called to generate a temporary hidden Crectangle object, when a function that invokes a Crectangle class object as a parameter is called, and a function that invokes a Crectangle class object as the return value is called. Temporary objects call Destructors when they die, reducing the values of ntotalnumber and Ntotalarea, but these temporary objects do not increase the values of n

some function keys, so keypress is preferred, however, as mentioned in the first part, IE KeyPress does not support function keys, so should be supplemented with keydown/keyup events.3.3 Implementation of the CodeGeneral idea, use KeyPress event object to get key character, use KeyDown event to get function character, such as Enter,backspace.The code implementation is as follows! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 transitional//en" >Code Analysis:$ (): Get DOM by IDKeyPress (E): To achie

your native machine.HTTP access to the local HTML file, equivalent to the native as an HTTP server, and then through localhost access to your own computer on the local server, and then through the HTTP server to access your native file resources.The simple point is that file simply requests a local file and opens it as an unresolved static file for the server. And HTTP is to build a local server and then through the server to dynamically parse to get the file.Other differences:The file protocol

= ='Q': theNUM1 = input ('Please enter the first value:') -oper = str (raw_input ('Please enter a arithmetic character:')) innum2 = input ('Please enter a second value:') the #operation (NUM1,NUM2) theof =operationfactory () AboutOper_obj =Of.choose_oper (Oper) theOPER_OBJ.NUM1 =NUM1 theOper_obj.num2 =num2 the Print 'The result of the operation is:', Oper_obj. GetResult ()The structure of these classes is shown below:Specifically defines a operation class as the parent class, th

signature is in the back of the information plus a section of content (information after the value of the hash), can prove that the information has not been modified. The hash value is usually encrypted (that is, signed) and sent together with the message to ensure that the hash value is not modified.HTTPS Network access Security Promotion (Community Edition)In addition to the EFF, Google and other organizations in making HTTPS more secure, but also to pat the cloud has been committed to improv

ObjectiveMost of the previous blogs are about caching data, so let's change the flavor today. To talk about responsecaching in ASP. NET core, which is often called HTTP caching, which is closely related to responsecaching.Before reading this article, the default is that you have HTTP cache-related basics, primarily Cache-control-related.Two related blogs are also posted here: Viewing HTTP caching through the browser HTTP protocol (quad) c

+ classCashreturn (cashsuper): - the def __init__(self,money_condition=0,money_return=0): *Self.money_condition =money_condition $Self.money_return =Money_returnPanax Notoginseng - defAccept_cash (Self,money): the ifmoney>=self.money_condition: + returnMoney-(money/self.money_condition) *Self.money_return A return Money the + #Specific policy Classes - classContext (object): $ $ def __init__(self,csuper): -Self.csuper =Csuper - the defGetResult (

be used directly. Therefore, the implication of private inheritance is as follows:subclasses can use the functionality of the parent class to implement their own functionality。 This is the typicalhas-aThe relationship.Class Engine{public: void Run ();}; Class car:private engine{public: void Drive () { //Let Engine go! Run (); }};On the relationship description, it is equivalent to a combination, such as:Class car{... private: Engine m_engine;} Private In

address.Trees (tree)is a poor set K containing n (n>0) nodes, and a relationship defined in K n,n satisfies the following conditions: (1) There is only one node K0, he has no precursor for the relationship N, which is called K0 as the root node of the tree.　 Referred to as root (root). (2) In addition to K0, each node in K has and has only one precursor for the relationship N. (3) The nodes in K can have M successors (m>=0) for the relationship N.Graph (graph)The graph is composed of set E of t

requestanimframe () is better than settimeout ().It is important to note that setTimeout () simply inserts the event into the "task queue" and must wait until the current code (execution stack) finishes executing, before the main thread executes the callback function it specifies. If the current code takes a long time, it may take a long time, so there is no guarantee that the callback function will be executed at settimeout ().Vi. event Loop for node. jsnode. JS is also a single-threaded event

Talk about high concurrency (28) parsing java.util.concurrent components (10) Understanding Reentrantreadwritelock Read-write lock the basic situation and Main method of Reentrant read-write lock are discussed, Shows how to implement a lock downgrade. But here are a few questions that are not clear, this article adds1. The priority issue when releasing a lock is whether the lock is first obtained or first read2. Do you want to allow read threads to q

satisfy the constraints has been obtained, and then determine whether the optimal { if(Curvalue >MaxValue) {MaxValue=Curvalue; for(intI=0; i) Maxpack[i]=X[i]; } } Else //not to the leaves, and continue to search downward. { for(intI=0; i1; i++) {X[t]= i;//01 knapsack problem, the storage status of each item is 0 or 1. This means that the status of item T in the backpack is 0 or 1. if(X[t] = =0)//Item T is not placed in the backpack, not for pruning jud

;C + + support for Visual Studio Code was provided by a Microsoft C + + extension to enable Cross-platform C and C + + development using VS Code on Windows, Linux, and MacOS. The extension is still in preview and our focus are code editing, navigation, and debugging support for C and C + + code ever Ywhere that VS Code runs. Div>Body>HTML>Then we look at the effect, two of the same div is stretched out, we can also see that the margin is independent of the elements outside, no backgroun

point to other places, or it can modify the content it points to. For example, the above is OK, will be modifiedBut C + +void Fun (constIt has been shown that the content of STR is immutable, as far as the point, which is a value copy, changes the impact on me. It's just a temporary change in the function.Another examplevoid Fun (charconst str) { str[0] = ' 0 ';}The pointer constant indicates that the pointer is a constant and can no longer be changed, but it is still possible to modify the