<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[学习是一种信仰。]]></title><description><![CDATA[分享得以延续，交流方知彼此。]]></description><link>https://blog.youkuaiyun.com/CSND_Ayo</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; CSND_Ayo]]></copyright><item><title><![CDATA[产品溯源，让正品更正 - 深耕区块链之项目应用]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/81496911</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/81496911</guid><author>CSND_Ayo</author><pubDate>Wed, 08 Aug 2018 03:12:27 +0800</pubDate><description><![CDATA[主题目录


溯源行业现状
区块链优点
有效结合
根据现有公链解决痛点


后续更新，有兴趣可以留言。]]></description><category></category></item><item><title><![CDATA[python3 标准库 POST 请求中 raw 参数类型]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/81283596</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/81283596</guid><author>CSND_Ayo</author><pubDate>Mon, 30 Jul 2018 13:38:12 +0800</pubDate><description><![CDATA[我在调用 RPC 接口时发生的一个小插曲 
POSTMAN 中调试接口可行，但移到python脚本中却发现异常行为。

经过抓包工具观察到异常原因


抓包结果 1 （期望结果）



对应 TCP 请求原文如下

POST http://192.168.41.131:8090/rpc HTTP/1.1
Accept-Encoding: identity
Content-Type: applica...]]></description><category></category></item><item><title><![CDATA[区块链以太坊 Ethereum RLP协议领略每一个字节的意义]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/80994472</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/80994472</guid><author>CSND_Ayo</author><pubDate>Wed, 11 Jul 2018 08:11:27 +0800</pubDate><description><![CDATA[//////////////////////
/// 合约交易二进制数据解析 RLP 协议
/// https://github.com/ethereum/wiki/wiki/RLP
//////////////////////

// raw data
https://etherscan.io/getRawTx?tx=0x8654845ff5fb84d3c747b8940472a7c3e0c63...]]></description><category></category></item><item><title><![CDATA[EOS白皮书读后有感]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/79742455</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/79742455</guid><author>CSND_Ayo</author><pubDate>Thu, 29 Mar 2018 14:40:35 +0800</pubDate><description><![CDATA[


  特性
  参数
  信息来源
  备注



  产块速度
  0.5秒/块
  consensus-algorithm-bft-dpos
  会出现空白块，即在预定时间没生成出对应的块


  产块原理
  多人协作顺序产块
  \
  The selected producers are scheduled in an order agreed upon by 15 or more ...]]></description><category></category></item><item><title><![CDATA[C fromHex 十六进制字符串转字节]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/79566059</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/79566059</guid><author>CSND_Ayo</author><pubDate>Thu, 15 Mar 2018 12:00:42 +0800</pubDate><description><![CDATA[const unsigned char *fromhex(const char *str)
{
    static unsigned char buf[512];
    size_t len = strlen(str) / 2;
    if (len &amp;gt; 512) len = 512;
    for (size_t i = 0; i &amp;lt; len; i++) {
        ...]]></description><category></category></item><item><title><![CDATA[ubuntu 安装 boost 1.66.0]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/79460705</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/79460705</guid><author>CSND_Ayo</author><pubDate>Tue, 06 Mar 2018 16:56:47 +0800</pubDate><description><![CDATA[QTum Ubuntu 编译 
Boost库错误

错误内容

root@4f5767887f5b:/cloud/qtum/qtum# make
Making all in src
make[1]: Entering directory '/cloud/qtum/qtum/src'
make[2]: Entering directory '/cloud/qtum/qtum/src'
  CXXLD...]]></description><category></category></item><item><title><![CDATA[Ubuntu 阿里源基础环境配置]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/79443727</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/79443727</guid><author>CSND_Ayo</author><pubDate>Mon, 05 Mar 2018 11:25:15 +0800</pubDate><description><![CDATA[更新源信息

sudo apt-get update

下载 Vim 编辑器



sudo apt-get install vim



修改 Ubuntu 的 aptget 源为阿里源

备份源信息

sudo cp /etc/apt/source.list /etc/apt/source.list.bak

修改源信息至阿里源

sudo vim /etc/apt/source.list

...]]></description><category></category></item><item><title><![CDATA[window 创建虚拟盘符]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/79443566</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/79443566</guid><author>CSND_Ayo</author><pubDate>Mon, 05 Mar 2018 11:15:48 +0800</pubDate><description><![CDATA[# 创建虚拟盘符
subst d: /w



# 删除虚拟盘符
subst w: /d

应用场景


  我把很多的库放在了自己的移动硬盘里 
  到一个新的电脑要使用这些库的时候,我常常要插上自己的移动硬盘 
  为保障每次使用的路径一致。我在项目工程中的库依赖填写了不常用的磁盘盘符。 
  例如：z盘符 
  当我插入自己的移动硬盘的时候，为了保障路径统一，我对移动硬盘映射了一个虚拟盘符 ...]]></description><category></category></item><item><title><![CDATA[Linux 交换区 用磁盘换内存]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/79424387</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/79424387</guid><author>CSND_Ayo</author><pubDate>Fri, 02 Mar 2018 16:05:09 +0800</pubDate><description><![CDATA[创建 1G 的交换区

# 创建空文件
dd if=/dev/zero of=/swap bs=1024k count=1024
# 制作成交换区
mkswap /swap
# 修改文件权限到安全权限
chmod 600 /swap
# 启动交换区
sudo swapon /swap
# 查看当前内存情况
free -m

 
修改文件权限到安全权限 ： chmod 600 /swap

 
do...]]></description><category></category></item><item><title><![CDATA[Qt QTableView 如何清理列表里的数据]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/78517413</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/78517413</guid><author>CSND_Ayo</author><pubDate>Mon, 13 Nov 2017 10:02:17 +0800</pubDate><description><![CDATA[数据初始化    tableView_ = new QTableView();
    model_ = new QStandardItemModel();
    tableView_->setModel(model_);    // model 初始化
    model_->setColumnCount(6);
    model_->setHeaderData(0, Qt::Horizont]]></description><category></category></item><item><title><![CDATA[Qt Q_INIT_RESOURCE 让 dll 动态库使用 qrc 资源文件]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/78363645</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/78363645</guid><author>CSND_Ayo</author><pubDate>Fri, 27 Oct 2017 12:42:51 +0800</pubDate><description><![CDATA[前言
Q_INIT_RESOURCE
Qt Doc
Qt Demo
说明前言我们经常会在动态库中使用一些资源文件，例如 qss 文件、 png 文件，以达到美化界面的效果，刚刚使用 Qt 创建动态库的朋友可能会发现， 在代码中无法添加 qrc 资源文件中的图片资源。 
显然，这会给我们带来很多麻烦，今天我们就来解决这些麻烦。Q_INIT_RESOURCEQ_INIT_RESOURCE 初始化qrc资]]></description><category></category></item><item><title><![CDATA[QT IP窗口源码]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/78262824</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/78262824</guid><author>CSND_Ayo</author><pubDate>Tue, 17 Oct 2017 17:21:35 +0800</pubDate><description><![CDATA[简单的ip窗口]]></description><category></category></item><item><title><![CDATA[设计全局ER模型 数据库系统原理（2007版） 课程代码4735 笔记]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/78221348</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/78221348</guid><author>CSND_Ayo</author><pubDate>Fri, 13 Oct 2017 00:39:29 +0800</pubDate><description><![CDATA[设计全局ER模型]]></description><category></category></item><item><title><![CDATA[inno setup 5 默认选中添加快捷方式]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/78202493</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/78202493</guid><author>CSND_Ayo</author><pubDate>Wed, 11 Oct 2017 13:01:31 +0800</pubDate><description><![CDATA[[Tasks]  //tasks 任务，desktopicon桌面,  
Name: "desktopicon"; Description: ""; GroupDescription: ""; Flags: checkablealone系统默认是没有“Flags: checkablealone”命令的，checkablealone应该是“复选”的意思，“unchecked”应该为“不选”的意思吧。]]></description><category></category></item><item><title><![CDATA[bitcoin 编译辛酸史]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/78026757</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/78026757</guid><author>CSND_Ayo</author><pubDate>Tue, 19 Sep 2017 10:03:39 +0800</pubDate><description><![CDATA[网上教程虽然多，但是我对linux还不是非常熟悉最后记上 bitcoin1.20 编译的命令./configure LDFLAGS="-L/home/cly/project/boost/boost_1_65_1/stage/lib -L/home/cly/project/libprobuf/protobuf-2.6.1/src/lib" CPPFLAGS="-I/home/cly/project/b]]></description><category></category></item><item><title><![CDATA[make error 'No space left on device']]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/77963752</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/77963752</guid><author>CSND_Ayo</author><pubDate>Wed, 13 Sep 2017 11:28:25 +0800</pubDate><description><![CDATA[编译内存不够用，调节虚拟机的内存。]]></description><category></category></item><item><title><![CDATA[linux bitcoin-qt程序运行时 缺少 libboost.so 动态库]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/77944554</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/77944554</guid><author>CSND_Ayo</author><pubDate>Tue, 12 Sep 2017 14:12:40 +0800</pubDate><description><![CDATA[bitcoin可执行程序的运行错误截图# 执行打开后发生的错误提示
./bitcoin-qt/home/cly/project/bitcoin/ShanRen_bitcoin-0.12/bitcoin-0.12/src/qt/.libs/lt-bitcoin-qt: error while loading shared libraries: libboost_filesystem.so.1.65.1]]></description><category></category></item><item><title><![CDATA[linux bitcoin 编译 boost protobuf库未找到]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/77934967</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/77934967</guid><author>CSND_Ayo</author><pubDate>Mon, 11 Sep 2017 16:52:56 +0800</pubDate><description><![CDATA[我的操作系统是 linux - ubuntu 12.04.5首先确认自己是否boost库是否真的未安装命令行whereis boost
# 若未找到则安装
sudo apt-get install libboost-dev若还是未找到，则自行官网下载boost库，本地编译。 
之后利用关键字，指定boost库的位置。./configure LDFLAGS="-L/home/cly/project/b]]></description><category></category></item><item><title><![CDATA[linux bitcoin protobuf-2.6.1 安装依赖库]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/77934831</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/77934831</guid><author>CSND_Ayo</author><pubDate>Mon, 11 Sep 2017 16:43:36 +0800</pubDate><description><![CDATA[linux指令集wget https://github.com/google/protobuf/releases/download/v2.6.1/protobuf-2.6.1.tar.gz
mv ~/Desktop/protobuf-2.6.1.tar.gz ./
tar -zxvf protobuf-2.6.1.tar.gz
cd protobuf-2.6.1/
./configure
make]]></description><category></category></item><item><title><![CDATA[linux permission denied]]></title><link>https://blog.youkuaiyun.com/CSND_Ayo/article/details/77897207</link><guid>https://blog.youkuaiyun.com/CSND_Ayo/article/details/77897207</guid><author>CSND_Ayo</author><pubDate>Fri, 08 Sep 2017 17:31:54 +0800</pubDate><description><![CDATA[permission denied 的错误提示make: execvp: ./config.guess: Permission denied]]></description><category></category></item></channel></rss>