Using Uniform Initialization to Construct a vector #include <iostream> #include <vector> using namespace std; int main() { using MyVector = vector<int>; MyVector vectorA( ); cout << vectorA.size() << ] << endl; MyVector…

Before C++11,there was no easy way to do things like initialize a std::vector or std::map(or a custom container) to a set of values. You could do so for an old C-style array, but not easily for STL collections. Initializer Lists provide a solution to…

CHAPTER 2 Recipe 2-1. Initializing Variables Recipe 2-2. Initializing Objects with Initializer Lists 使用初始化列表的使用 Recipe 2-3. Using Type Deduction 关于auto关键字的使用 Recipe 2-4. Using auto with Functions Recipe 2-5. Working with Compile Time Constants conste…

http://www.javaworld.com/article/2979739/learn-java/java-101-classes-and-objects-in-java.html?page=3 class Book { // ... static int count; } This example declares a count integer field that stores the number of Book objects created. The declaration b…

Background C++ is one of the main development languages used by many of Google's open-source projects. As every C++ programmer knows, the language has many powerful features, but this power brings with it complexity, which in turn can make code more…

引言: 在iOS开发过程中, 我们可能会碰到一些系统方法弃用, weak.循环引用.不能执行之类的警告. 有代码洁癖的孩子们很想消除他们, 今天就让我们来一次Fuck 警告!! 首先学会基本的语句: #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wdeprecated-declarations" 中间这里写出现警告的代码 #pragma clang diagnostic pop 这样就消除了方法弃用的警…

Warning Message -WCFString-literal input conversion stopped due to an input byte that does not belong to the input codeset UTF-8 -WNSObject-attribute __attribute ((NSObject)) may be put on a typedef only, attribute is ignored -Wabstract-vbase-init in…

原文标题:Ten C++11 Features Every C++ Developer Should Use 原文作者:Marius Bancila 原文地址:codeproject 备注:非直译,带个人感情色彩,有疑惑参看原文. This article discusses a series of features new to C++11 that all developers should learn and use. There are lots of new additions to…

这篇博客的内容都是记的网上的.是流水账.只是记录下来以便日后之有,避免每次重新google. #pragma除了可以用来把不同功能的代码进行分隔组织外还可以用来disable一些warnings.这在引入一些第三方带有warnings的库的时候很有用. #pragma用处:http://nshipster.com/pragma/ #Clang Diagnostics: http://nshipster.com/clang-diagnostics/ Clang warning strings和fl…

Semantic Warnings Warning Message -WCFString-literal input conversion stopped due to an input byte that does not belong to the input codeset UTF-8 -WNSObject-attribute         __attribute ((NSObject)) may be put on a typedef only, attribute is ignore…