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Is it safe to use Project Lombok? [closed]
...ith some of the annoyances of Java with stuff like generating getters and setters with annotations and even simple JavaBean like generation with @Data . It could really help me, especially in 50 different event objects where you have up to 7 different fields that need to be constructed and hidden...
Android: upgrading DB version and adding new table
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newVersion is kinda useless, as you always set the current database version anyway in the constructor (see part 2) and it will always match. The key idea here is that you don't want to just upgrade from wherever the user is straight to newVersion without passing thro...
Print a string as hex bytes?
...is string: Hello world !! and I want to print it using Python as 48:65:6c:6c:6f:20:77:6f:72:6c:64:20:21:21 .
13 Answers
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stl 字符串std::string作为std::map主键key的实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...法，并使用find_if实现map按value值查找。代码如下：
#include <map>
#include <string>
#include <algorithm>
using namespace std;
class map_value_finder
{
public:
map_value_finder(const std::string &cmp_string):m_s_cmp_string(cmp_string){}
bool operator ()(const std:...
std::string截取字符串，截取ip:port - C/C++ - 清泛网 - 专注C/C++及内核技术
...0.1:8888");int index = ip.find_last_of(':'); 获取ipip.substr(0, index).c_str(); 获取portip.substr(index + 1).c_str();std::string ip("127.0.0.1:8888");
int index = ip.find_last_of(':');
// 获取ip
ip.substr(0, index).c_str();
// 获取port
ip.substr(index + 1).c_str();字符串截取
Linux automake自动编译全攻略 - C/C++ - 清泛网 - 专注C/C++及内核技术
...译配置。
automake流程图示如下：
核心配置如下：
configure.in：
AC_INIT([test], [1.0.0], [bugreport.test.com])
#指定项目名称和版本号
AM_INIT_AUTOMAKE(test, 1.0.0)
#检查编译器
AC_PROG_CC
AC_PROG_LIBTOOL
#输出Makefile文件
AC_CONFIG_FILES(...
[工程源码实例] C++ ADO 读写Excel源码及注意点 - C/C++ - 清泛网 - 专注C/C++及内核技术
[工程源码实例] C++ ADO 读写Excel源码及注意点工程源码下载：excel-ado.zip运行结果截图：生成的Ｅｘｃｅｌ截图：主要代码片段： 导入Excel COM支持。。。不过程序编译后即使客户机没...工程源码下载：excel-ado.zip
运行结果截图：...
warning: xxx will be initialized after [-Wreorder] - C/C++ - 清泛网 - 专注C/C++及内核技术
warning: xxx will be initialized after [-Wreorder]c++使用参数列表进行初始话时，初始化成员变量的顺序和声明的顺序相同，如果在写参数列表时没有按照声明的顺序写，则出现此警告。这个警告...c++使用参数列表进行初始话时，初始化...
如何提高 VS2010/VS2012 编译速度 - C/C++ - 清泛网 - 专注C/C++及内核技术
...同时设置如下两个参数：
Enable Minimal Rebuild
Properties -> Configuration Properties -> C/C++ -> Code Generation -> Enable Minimal Rebuild -> No(/Gm-)
默认情况下该参数在Debug模式下为Yes，而在Release下为No。
Multi-processor Compilation
Properties -> Configuratio...
error C2220: 警告被视为错误 - 没有生成“object”文件 - C/C++ - 清泛网 ...
error C2220: 警告被视为错误 - 没有生成“object”文件出现这种编译错误，当然可以取消掉警告视为错误选项（右击属性->配置属性->c c++->常规，将警告视为错误的选项改为否，就可以！），不过还 出现这种编译错误，当然可以取...