<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[forder的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/zfdabc_ok</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; zfdabc_ok]]></copyright><item><title><![CDATA[mysql插入，修改 都更新时间]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/106527153</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/106527153</guid><author>zfdabc_ok</author><pubDate>Wed, 03 Jun 2020 16:24:19 +0800</pubDate><description><![CDATA[插入，修改 都更新时间。方便做数据增量同步


ALTER TABLE `student`
ADD COLUMN `updateDate`  TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP


]]></description><category></category></item><item><title><![CDATA[安装tensorflow2.0]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/106135075</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/106135075</guid><author>zfdabc_ok</author><pubDate>Fri, 15 May 2020 09:45:20 +0800</pubDate><description><![CDATA[安装tensorflow2.0

pip install tensorflow==2.0.0 -i https://pypi.tuna.tsinghua.edu.cn/simple

]]></description><category></category></item><item><title><![CDATA[cordova, vue返回键处理]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/103406507</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/103406507</guid><author>zfdabc_ok</author><pubDate>Thu, 05 Dec 2019 15:58:00 +0800</pubDate><description><![CDATA[在mounted, 添加监听，在beforeDestroy,移除监听

login, Main 是路由页面，根据自己的项目修改。


mounted() {
    document.addEventListener('backbutton', this.backbutton,false)
  },
  beforeDestroy(){
    document.removeEventListen...]]></description><category></category></item><item><title><![CDATA[cordova 去掉android自带的标题栏]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/101054622</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/101054622</guid><author>zfdabc_ok</author><pubDate>Fri, 20 Sep 2019 11:16:13 +0800</pubDate><description><![CDATA[在onCreate方法里添加


if(getSupportActionBar() != null){
    getSupportActionBar().hide();
}


]]></description><category></category></item><item><title><![CDATA[Android的http网络请求失败]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/98055166</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/98055166</guid><author>zfdabc_ok</author><pubDate>Thu, 01 Aug 2019 14:18:07 +0800</pubDate><description><![CDATA[最近一个项目,前端同学给的网页代码，要求打包成apk, 网络请求总是失败。

最后参考文章https://cloud.tencent.com/developer/article/1414675

sdk28后，需要在AndroidManifest.xml 里添加


&lt;application android:usesCleartextTraffic="true"&gt;


...]]></description><category></category></item><item><title><![CDATA[maven ，nexus 搭建私服]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/82625859</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/82625859</guid><author>zfdabc_ok</author><pubDate>Thu, 13 Sep 2018 00:21:06 +0800</pubDate><description><![CDATA[下载maven http://mirrors.hust.edu.cn/apache/maven/maven-3/3.5.4/binaries/apache-maven-3.5.4-bin.zip

配置环境变量path

下载 nexus https://sonatype-download.global.ssl.fastly.net/repository/repositoryManager/3/n...]]></description><category></category></item><item><title><![CDATA[git学习笔记]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/82380685</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/82380685</guid><author>zfdabc_ok</author><pubDate>Tue, 04 Sep 2018 14:40:40 +0800</pubDate><description><![CDATA[廖雪峰老师git文章



代码提交流程

工作区-&amp;gt;缓存区-&amp;gt;版本库

 

工作区：我们本地的代码

stage：缓存区。

master：版本库默认分支

HEAD：指针

 

git add readme.txt  添加文件，工作区 -&amp;gt; 缓存区

git commit -m &quot;说明&quot;， 缓存区 -&amp;gt; 版本库

git status 查看状态

git diff ...]]></description><category></category></item><item><title><![CDATA[vue 树的使用]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/81772722</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/81772722</guid><author>zfdabc_ok</author><pubDate>Fri, 17 Aug 2018 09:55:14 +0800</pubDate><description><![CDATA[安装

npm install vue-jstree


&amp;lt;template&amp;gt;
    &amp;lt;div class=&quot;app-container&quot;&amp;gt;
        &amp;lt;h1&amp;gt;{{ msg }}&amp;lt;/h1&amp;gt;
        &amp;lt;div&amp;gt;
            &amp;lt;v-jstree :data=&quot;data&quot; allow-batch]]></description><category></category></item><item><title><![CDATA[github 项目阅读笔记 vue]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/81564341</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/81564341</guid><author>zfdabc_ok</author><pubDate>Fri, 10 Aug 2018 20:39:17 +0800</pubDate><description><![CDATA[https://gitee.com/renrenio/renren-fast

https://github.com/daxiongYang/renren-fast-vue

 



https://github.com/Heeexy/SpringBoot-Shiro-Vue

提供一套基于Spring Boot-Shiro-Vue的权限管理思路.前后端都加以控制,做到按钮/接口级别的权限


...]]></description><category></category></item><item><title><![CDATA[eos代码阅读笔记10 -使用boost单元测试]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/81204996</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/81204996</guid><author>zfdabc_ok</author><pubDate>Wed, 25 Jul 2018 16:28:05 +0800</pubDate><description><![CDATA[先熟悉boost的测试功能 Boost 单元测试框架

$cd /home/coinbase/workspace/eos/libraries/fc/vendor/websocketpp/test/utility

修改sha1.cpp  去掉 #define BOOST_TEST_DYN_LINK 的注释，宏 BOOST_TEST_DYN_LINK 定义动态链接方式

$g++ -o sha1 s...]]></description><category></category></item><item><title><![CDATA[eos代码阅读笔记09- 石墨烯架构Graphene]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80924710</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80924710</guid><author>zfdabc_ok</author><pubDate>Thu, 05 Jul 2018 11:54:53 +0800</pubDate><description><![CDATA[通过这段时间的看eos源代码，有些痛苦。代码量大是一方面，没能理解原理是一个关键。于是想从石墨烯架构方面着手。EOS 创始人 Daniel Larimer ，从bitshares 开始使用石墨烯架构，后来做了steem,和eos 。 从最开始的看起，应该最简单。于是想先看看 BitShares的源代码。从github上下载 BitShares 2.0.151013 早期的版本...]]></description><category></category></item><item><title><![CDATA[eos代码阅读笔记08- 产生块过程]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80902097</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80902097</guid><author>zfdabc_ok</author><pubDate>Tue, 03 Jul 2018 18:08:46 +0800</pubDate><description><![CDATA[链的控制器controller 包含很多重要功能。class controller {
struct config {
            flat_set&amp;lt;account_name&amp;gt;   actor_whitelist;白名单
            flat_set&amp;lt;account_name&amp;gt;   actor_blacklist;黑名单
            fl...]]></description><category></category></item><item><title><![CDATA[eos代码阅读笔记07- 事务签名过程]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80888083</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80888083</guid><author>zfdabc_ok</author><pubDate>Mon, 02 Jul 2018 18:23:27 +0800</pubDate><description><![CDATA[在创建账号的时候有一步是 sign_transaction, 具体创建账号的方法请查看 创建账号REQUEST: 
--------------------- 
POST /v1/wallet/sign_transaction HTTP/1.0 
Host: localhost 
content-length: 688 
Accept: */*  
Connection: close  
  
[...]]></description><category></category></item><item><title><![CDATA[eos代码阅读笔记06- 从cleos到 nodeos 请求/响应流程]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80886203</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80886203</guid><author>zfdabc_ok</author><pubDate>Mon, 02 Jul 2018 17:25:09 +0800</pubDate><description><![CDATA[用cleos get info 为例子，看看从cleos 客户端发送请求到 nodeos 全流程cleos命令行端的代码：eos/programs/cleos/main.cpp定义url，返回结果 eosio::chain_apis::read_only::get_info_results定义在plugins/chain_plugin/include/eosio/chain_plugin/chai...]]></description><category></category></item><item><title><![CDATA[eos代码阅读笔记05- 事务transaction]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80860114</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80860114</guid><author>zfdabc_ok</author><pubDate>Fri, 29 Jun 2018 19:20:08 +0800</pubDate><description><![CDATA[、 /**
    *  The transaction header contains the fixed-sized data
    *  associated with each transaction. It is separated from
    *  the transaction body to facilitate partial parsing of
    *  tran...]]></description><category></category></item><item><title><![CDATA[eos代码阅读笔记04- account账号]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80857661</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80857661</guid><author>zfdabc_ok</author><pubDate>Fri, 29 Jun 2018 19:05:42 +0800</pubDate><description><![CDATA[开始之前先改两个地方，注释掉 print_request,print_response 让它总是打印请求响应数据。方便看程序做了什么。记得从新编译 sudo ./eosio_build.sh   //if ( print_request ) {
      string s(request.size(), '\0');
      buffer_copy(boost::asio::buffer(s...]]></description><category></category></item><item><title><![CDATA[eos代码阅读笔记03- 公钥私钥匙生成]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80854052</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80854052</guid><author>zfdabc_ok</author><pubDate>Fri, 29 Jun 2018 11:28:26 +0800</pubDate><description><![CDATA[只运行cleos，不运行节点nodeos,就能够生成私钥。私钥再生成公钥。公钥私钥的生成是不上链条的。账号和权限的创建、修改是通过交易的方式上链的。eos/programs/cleos/main.cpp 的main函数里 // create key
   auto create_key = create-&amp;gt;add_subcommand(&quot;key&quot;, localized(&quot;Create a n...]]></description><category></category></item><item><title><![CDATA[eos代码阅读笔记02- 命令行工具cleos]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80845654</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80845654</guid><author>zfdabc_ok</author><pubDate>Thu, 28 Jun 2018 19:16:59 +0800</pubDate><description><![CDATA[准备知识：boost 的 命令行参数解析配置选项 program_options

看代码，习惯性先将程序运行起来，然后根据文档操作，看看功能。有了感官上的认识后，再思考深层次的问题。

经常问自己一个这样的问题：程序如何实现这样的功能的？

cleos是 eos的命令行工具，我们可以通过这个工具查看、操作区块链内的信息。eos不同与bitcoin的rpc。

准备工作

先将节点程序运行起来

...]]></description><category></category></item><item><title><![CDATA[eos代码阅读笔记01 -qt 调试 eos]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80844919</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80844919</guid><author>zfdabc_ok</author><pubDate>Thu, 28 Jun 2018 16:21:05 +0800</pubDate><description><![CDATA[eos的编译，就不在这写了，官网很详细。

程序要进行debug, 编译的时候注意 ./eosio_build.sh -o Debug

qt先创建一个工程，然后导入现有的文件夹。

解决部分找不到头文件的处理办法，在eos.pro 中配置 INCLUDEPATH


CONFIG += c++11

TARGET = eos
CONFIG += console
CONFIG -= app_bun...]]></description><category></category></item><item><title><![CDATA[eclipse搭建以太坊开发调试环境]]></title><link>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80589697</link><guid>https://blog.youkuaiyun.com/zfdabc_ok/article/details/80589697</guid><author>zfdabc_ok</author><pubDate>Wed, 06 Jun 2018 09:44:57 +0800</pubDate><description><![CDATA[1. go 的安装配置 下载go 默认安装在C盘go环境变量配置这个说明安装好了2.eclipse安装，我用的是eclipse c++ 版本的，用开发java的eclipse 没装成，改用 eclipse for c++用eclipse 你必须安装java的 jdk 环境。 jdk的安装自己百度。下载 GoClipse解压到eclipse 安装目录重启eclipse ，在windows-&amp;gt;p...]]></description><category></category></item></channel></rss>