2017 年 4月 16 日随笔档案 - 袁晓平

2017年4月16日

摘要： In its early days, the Android OS was pretty much supporting only one CPU architecture: ARMv5.Do you know how many it does support now? … 7! Seven dis 阅读全文

posted @ 2017-04-16 22:35 袁晓平阅读(279) 评论(0) 推荐(0) 编辑

std::u32string conversion to/from std::string and std::u16string

摘要： I need to convert between UTF-8, UTF-16 and UTF-32 for different API's/modules and since I know have the option to use C++11 am looking at the new str 阅读全文

posted @ 2017-04-16 21:53 袁晓平阅读(901) 评论(0) 推荐(0) 编辑

c++ istream转换为std::string

摘要： (could be a one-liner if not for MVP) post-2011 edit, this approach is now spelled I'm late to the party, but here is a fairly efficient solution: I d 阅读全文

posted @ 2017-04-16 21:38 袁晓平阅读(7313) 评论(0) 推荐(0) 编辑

android开发-c++代码调用so库

摘要： Android项目的CMakeLists.txt代码如下，so文件放在项目的$Project/app/src/main/jniLibs/$arch下，$arch替换为arm64-v8a armv7a等 cmake_minimum_required(VERSION 3.4.1)set(ARCH arc 阅读全文

posted @ 2017-04-16 20:42 袁晓平阅读(4162) 评论(0) 推荐(0) 编辑