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http://blog.csdn.net/cnsword/article/details/8034947Companies can use C++11. See Daniel's code imitation use, so now do not know what the use of C + + syntax or c++11 syntax ... I don't know if it's kind of sad.C++11 has revised the keywords, added nullptr, constexpr, Decltype, default, Static_assert , and the original keywords (auto,using,extern ) meaning and pu

Develop a multi-thread high concurrency network library based on the new c ++ 11 standard Background After the new c ++ 11 standard is released, the c ++ syntax has been expanded a lot, which is more flexible and efficient than ever before, improving the efficiency of program coding, it saves software developers a lot of time. I have also written about the ACE-Based Network Server framework before, But ACE

Before C++11, there were two typical problems that were constrained by the bad template functionality that caused the code to repeat itself, which is the function object and tuple. For function objects, a return type parameter and n parameter type parameters are required. However, because the variable length parameter template is not supported, you have to write 7, 8 template classes repeatedly, but ultimately only support function object of 7, 8 para

11 sensors in Android operating system In the Android2.3 gingerbread system, google provides 11 sensors for the application layer. # Define SENSOR_TYPE_ACCELEROMETER 1 // Acceleration # Define SENSOR_TYPE_MAGNETIC_FIELD 2 // magnetic # Define SENSOR_TYPE_ORIENTATION 3 // direction # Define SENSOR_TYPE_GYROSCOPE 4 // Gyroscope # Define SENSOR_TYPE_LIGHT 5 // light sensing # Define SENSOR_TYPE_PRESSURE 6 //

Python learning notes (11) Python statements (2), learning notes python statements For Loop statement Basic knowledge A for loop can traverse projects in any sequence, such as a list or a string. Syntax: For Loop rules: Do something 1 >>> for I in "python": # Use the I variable to traverse every character of this string. 2... print I # print the traversal characters 3... 4 p 5 y 6 t 7 h 8 o 9 n10 >>> lst = ["baidu", "google", "ali"]

The 11 most common MySQL errors of PHP programmers. For many new users, using PHP can easily write code with specific functions in just a few hours. However, building a stable and reliable database may take a few hours for many new users to easily write code with specific functions using PHP. However, building a stable and reliable database requires time and related skills. The following lists the 11 most s

the user submits the form, and the Response.Redirect method can do this by redirecting the user's browser. If the Willattend property is true, indicating that the user will attend the party, the user is redirected to the seeyouthere.html file, or the user is redirected to the sorryyoucantcome.html file.1. Create an HTML response fileNot all pages in an ASP. NET application must be generated from a Web Forms file, and can include regular static HTML files. To create a response file, right-click

This article introduces four smart pointers of c ++, the last three of which are newly added in c ++ 11, and auto _ ptr has been discarded. To compile c ++ 11, you must install g ++-4.8. Sudo add-apt-repository ppa: ubuntu-toolchain-r/test Sudo apt-get update Sudo apt-get instal gcc-4.8 Sudo apt-get install g ++-4.8 Specify the standard during compilation: G ++-4.8-std = c ++

C ++ 11 std: future and std: promise, stdfuture Why does C ++ 11 introduce std: future and std: promise? After a thread is created in C ++ 11, we cannot directly. join () is returned. A variable must be defined. During thread execution, the variable is assigned a value and then join () is executed. This process is relatively cumbersome. 　　The thread Library provi

BodyThe C++11 standard provides components for multithreading in the standard library, which means that it is possible to write platform-independent multithreaded programs using C + +, and the portability of C + + applications is strongly guaranteed. In addition, concurrent programming can improve the performance of your application, which is noteworthy for C + + programmers with performance pinching irritate D.Back to top of 1. What is concurrencycon

C ++ 11/14 Learning (1) nullptr and constexpr, nullptrconstexprI. nullptr Example: # Include Voidfoo (char * c ){}Voidfoo (intn ){}Intmain (){Foo (0 );// Foo (NULL); // compilation failsFoo (nullptr );Return 0;} Foo (NULL) cannot be compiled because the compiler does not know which type of parameter NULL is implicitly converted.Therefore, when NULL is required, you must use nullptr directly.2. constexpr The new C ++

Work encountered a reference to the issue of temporary variables, after two days of study, private thought: not only to understand the problem, but also some of their own unique ideas.Here's a simple example to dedicate your learning process and understanding to everyone, and if you have any questions, please do not hesitate to correct it. code*************************classDog{ Public:Dog(){}Virtual~Dog(){}};voidnonconstreference(DogDog){//tell the dog to does something here}voidtestnonconstrefe

The so-called atomic operation, which is the meaning of the "atom is the smallest, indivisible minimum," means that when multiple threads access the same global resource, it is possible to ensure that all other threads do not access the same resources at the same time. That is, he ensured that only a single thread could access the resource at the same time. This is somewhat similar to the protection of the mutex object's access to the shared resource, but the atomic operation is closer to the bo

I wrote a blog about the initial list in C + + (differential assignment and initialization), which tells the class's constructor to initialize the member variable using the initialization list.Now, aside from the past, let's talk about common variable assignments. That is the initializer_list we are going to mention.This is also a c++11 feature.In the past, we have assigned vectors such as:std::vector v;v.push_back(1);v.push_back(2);v.push_back(3);v.p

One of the most important features of C++11 is the support of multithreading, but "C + + Primer" 5th does not have this part of the introduction, it is a bit regrettable. Learned something about the thread library on the web. Here are a few of the more good resources to learn the thread library: Thread Support Library:http://en.cppreference.com/w/cpp/thread CPP reference/thread:http://www.cplusplus.com/reference/thread/ recommend!

Algorithm analysis:1316. Obviously, 1300 is a multiple of 13, but 16 is not a multiple of 11. It can be thought that the result is still a multiple of 13 after any number of 13 is subtracted from 1300, so long as 16 is added with the multiples of N 13 minus this and 11, the two numbers are solved. There may be more than one answer, but we only need one solution.It is not difficult to observe: (16 + 13*3) +

This article mainly recommends 11 practical Python libraries, all of which have a good mass base and are very useful and practical. we recommend them to you. 1) delorean Very cool date/time Library The code is as follows: From delorean import DeloreanEST = "US/Eastern"D = Delorean (timezone = EST) 2) prettytable You can build a good output in a browser or terminal. The code is as follows: From prettytable import PrettyTableTable = PrettyTable ([

Recommended 11 React Native Open Source Mobile UI componentsOschina posted 10 month ago, total 14 reviewsThis article recommends 11 great React Native Open source components, which hopefully will help mobile app developers.React Native is a recent Facebook native mobile application development framework based on the MIT protocol, which has been used in the Facebook production environment. React Native can u

What is the meaning of passing by value?This is copied when the parameters of a function are passed by value. Of course, the compiler knows how to copy.For our custom types, we might need to provide a copy constructor.But it has to be said that the cost of copying is expensive.So we need to look for a way to avoid unnecessary copying, the move semantics provided by C++11.One of the words in the previous blog was used:#include voidFint i) {STD::cout"Lv

Precautions:Before installing, put all anti-virus software and firewall off.If you have previously installed LoadRunner, uninstall it.The installation path does not take Chinese characters.If the system is WIN7, the Ultimate version can be installed.Installation complete, need to crack.A. DownloadDownload LoadRunner11 installer on HP's official website [T7177-15013.iso], my LoadRunner 11 is:Http://pan.baidu.com/s/1mg3JmM8Note: After compression size