<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[ULi_cloud的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/ULi_cloud</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; ULi_cloud]]></copyright><item><title><![CDATA[Mac系统安装和配置tomcat步骤详解]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/85159239</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/85159239</guid><author>ULi_cloud</author><pubDate>Fri, 21 Dec 2018 11:25:51 +0800</pubDate><description><![CDATA[一:下载

打开Apache Tomcat官网,选择需要的版本下载:



二:存放到本地

文件夹重名民为ApacheTomcat,放到/Users/计算机名/Library/目录下



三:启动Tomcat

打开Terminal,进入ApacheTomcat所在目录的bin目录下


$:cd /Users/mymac/Library/ApacheTomcat/bin

 

启动Tomc...]]></description><category></category></item><item><title><![CDATA[android studio真机调试时查看sqlite数据库]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/85061054</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/85061054</guid><author>ULi_cloud</author><pubDate>Tue, 18 Dec 2018 10:36:33 +0800</pubDate><description><![CDATA[注意如果没有作用，尝试使用VPN项目官方的详细说明

一.在build中编写 SliderLayout的dependence依赖

dependencies {
	    compile 'com.squareup.okhttp:okhttp:2.5.0'
	    compile 'com.squareup.okhttp:okhttp-urlconnection:2.2.0'
	    comp...]]></description><category></category></item><item><title><![CDATA[table xxx has no column named xxxx]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/81200526</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/81200526</guid><author>ULi_cloud</author><pubDate>Wed, 25 Jul 2018 12:29:05 +0800</pubDate><description><![CDATA[出现这种错误的原因可能有2个：

1、你的表里面确实没有这个字段，请在建表语句中加上这个字段，另外还要注意所有出现这个表的语句的地方都要添加上这个字段。

2、你的表里之前没有这个字段，但现在你添加上了，不幸的是，你的数据库里面已经存储了你没添加这个字段之前的记录，如果是这样的话，AVD也会报错崩溃，解决方法就是：

修改数据库版本号或者修改数据库名称。...]]></description><category></category></item><item><title><![CDATA[Android studio 安装apk时报错：INSTALL_FAILED_NO_MATCHING_ABIS: Failed to extract native libraries]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/80992567</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/80992567</guid><author>ULi_cloud</author><pubDate>Tue, 10 Jul 2018 21:43:46 +0800</pubDate><description><![CDATA[Android studio 安装apk 时报错：Installation failed with message Failed to finalize session : INSTALL_FAILED_NO_MATCHING_ABIS: Failed to extract native libraries, res=-113.It is possible that this issue is r...]]></description><category></category></item><item><title><![CDATA[惠普台式机在Android studio创建模拟器报错“Enable VT-x in your Bios Security Settings”]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/80992364</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/80992364</guid><author>ULi_cloud</author><pubDate>Tue, 10 Jul 2018 21:27:28 +0800</pubDate><description><![CDATA[随着惠普台式机新产品的出厂,由以前HP BIOS到现在的UEFI BIOS,部分选项有所更改,咨询如何开启虚拟化技术,BIOS设置方法如下开机时不断点击F10键进入BIOS,选择Advanced（高级）然后选择System Options（系统选项）,点击回车然后选择Virtualization Technology (VTx)和Virtualization Technology for Dire...]]></description><category></category></item><item><title><![CDATA[android studio 的build.gradle文件的配置内容]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/80990526</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/80990526</guid><author>ULi_cloud</author><pubDate>Tue, 10 Jul 2018 18:57:40 +0800</pubDate><description><![CDATA[buildscript {

    repositories {
        maven{
            url &quot;http://maven.oa.com/nexus/content/repositories/thirdparty-snapshots/&quot;
        }

        maven{
            url &quot;http://maven.oa.com/n...]]></description><category></category></item><item><title><![CDATA[mac使用ln -s 命令替代环境变量的设置]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/80927492</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/80927492</guid><author>ULi_cloud</author><pubDate>Thu, 05 Jul 2018 15:19:03 +0800</pubDate><description><![CDATA[博主以通过源码编译的方式装上geth，但是只能在go-ethereum／build／bin文件夹下启动geth命令；想通过配置环境变量来开启全局启动模式。通过ln -s ／go-ethereum／build／bin／geth    usr／local／bin ...]]></description><category></category></item><item><title><![CDATA[鹅厂之区块链(7)-以太坊源码getTranaction（）]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/80919381</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/80919381</guid><author>ULi_cloud</author><pubDate>Wed, 04 Jul 2018 22:18:27 +0800</pubDate><description><![CDATA[今天说的是getTransaction（）的console输出，我们可以通过对源码的修改，来完成打印内容的修改。比如下图就自动省掉了input的值：操作如下：首先我们要找到这个getTransaction的源码位置：只要讲上面两个代码注释，即可省略打印input字段；...]]></description><category></category></item><item><title><![CDATA[Multiple annotations found at this line: - String cannot be resolved to a type]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/80849570</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/80849570</guid><author>ULi_cloud</author><pubDate>Thu, 28 Jun 2018 21:55:53 +0800</pubDate><description><![CDATA[报错内容:Multiple annotations found at this line:- String cannot be resolved to a type- The method getContextPath() from the type HttpServletRequest refers to the missing type String报错原因:由于项目迁移，之前的系统的jre与...]]></description><category></category></item><item><title><![CDATA[tomcat启动失败 ----Server Tomcat v8.0 Server at localhost failed to start.]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/80845572</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/80845572</guid><author>ULi_cloud</author><pubDate>Thu, 28 Jun 2018 16:44:29 +0800</pubDate><description><![CDATA[首先，事情是这样发生的，之前tomcat运行的还好好的，结果隔了几天再去敲代码的时候，运行tomcat就开始报错了 然后我就觉得tomcat出问题了，默默的就删除了这个tomcat8【版本是8.0.0】，重新在官网上下载了新的tomcat8【版本是8.5.4】，按照这个博主里面的方法弄了一下 http://blog.youkuaiyun.com/caiwenfeng_for_23/article/detail...]]></description><category></category></item><item><title><![CDATA[鹅厂之区块链(6)-智能合约调用(实例化)]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/80753513</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/80753513</guid><author>ULi_cloud</author><pubDate>Wed, 20 Jun 2018 22:28:25 +0800</pubDate><description><![CDATA[智能合约的部署之后需要记住abi和合约地址，方便以后调用。定义合约的abivar abi = [ { &quot;constant&quot;: false, &quot;inputs&quot;: [ { &quot;name&quot;: &quot;s&quot;, &quot;type&quot;: &quot;uint256&quot; } ], &quot;name&quot;: &quot;getSum&quot;, &quot;outputs&quot;: [ { &quot;name&qu]]></description><category></category></item><item><title><![CDATA[鹅厂之区块链(5)-智能合约部署]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/80752091</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/80752091</guid><author>ULi_cloud</author><pubDate>Wed, 20 Jun 2018 21:33:43 +0800</pubDate><description><![CDATA[私链完成之后需要进行智能合约的部署，一种方案是通过Mist钱包进行编译、部署。另一种方案是通过命令行进行部署。方案一的自行忽略；方案二：每个以太坊合约编译之后都会得到ABI接口，通过使用ABI码来创建合约。在线编译器：https://remix.ethereum.org 获得ABI代码；注：编译之后的ABI代码存放在 WEB3DEPLOY 中，在ABI栏中并不能看到ABI码；获取ABI接口后，接下...]]></description><category></category></item><item><title><![CDATA[Mac系统安装和配置tomcat步骤详解]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/80702742</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/80702742</guid><author>ULi_cloud</author><pubDate>Fri, 15 Jun 2018 11:07:26 +0800</pubDate><description><![CDATA[一:下载打开Apache Tomcat官网,选择需要的版本下载:二:存放到本地文件夹重名民为ApacheTomcat,放到/Users/计算机名/Library/目录下三:启动Tomcat打开Terminal,进入ApacheTomcat所在目录的bin目录下$:cd /Users/mymac/Library/ApacheTomcat/bin1启动Tomcat$:./startup.sh1如果出现...]]></description><category></category></item><item><title><![CDATA[鹅厂之区块链-以太坊私链启动]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/80674649</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/80674649</guid><author>ULi_cloud</author><pubDate>Wed, 13 Jun 2018 10:10:12 +0800</pubDate><description><![CDATA[当以完成私链搭建的过程后，可以通过命令行来启动已存的私链数据，可以通过geth来启动：geth现在已经启动geth，可以通过Mist直接加载已有的私链数据。由于没有使用console命令，如果想通过命令行操作，则需要开新的终端，并输入以下命令：geth attach...]]></description><category></category></item><item><title><![CDATA[geth内部的操作命令]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/80670190</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/80670190</guid><author>ULi_cloud</author><pubDate>Tue, 12 Jun 2018 19:47:10 +0800</pubDate><description><![CDATA[查看账户eth.accounts1创建用户：personal.newAccount(&quot;111111&quot;)1其中参数为此账户的密码。 也可以先创建账户，然后输入密码：personal.newAccount()1查看区块数据eth.blockNumber1启动挖矿miner.start()1返回结果为true则启动成功，具体执行情况可查看日志。停止挖矿miner.stop()1当在执行挖矿时日志会不停刷...]]></description><category></category></item><item><title><![CDATA[鹅厂之区块链-geth.ipc不存在]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/80669074</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/80669074</guid><author>ULi_cloud</author><pubDate>Tue, 12 Jun 2018 18:17:34 +0800</pubDate><description><![CDATA[IPC文件只有在geth运行时才会存在。所以当开启geth时侯，才会出现geth.ipc.笔者在图形界面中未找到此文件（此处大坑）但是，在终端却能找到geth.ipc文件⬇️...]]></description><category></category></item><item><title><![CDATA[以太坊geth常见命令]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/80668590</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/80668590</guid><author>ULi_cloud</author><pubDate>Tue, 12 Jun 2018 17:33:08 +0800</pubDate><description><![CDATA[基础选项:--datadir     “/your/database/path”指定以太坊数据和密钥目录，在开启私有链时需指定私有链目录，默认为公有链目录。--keystore      “/your/keystore/path”指定keystore文件（账户密钥文件）目录，默认值在datadir目录下--networkid     value指定以太坊网络id，其实就是区块链网络的身份标示，公有...]]></description><category></category></item><item><title><![CDATA[geth配置中，genesis.json的几个问题]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/80661723</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/80661723</guid><author>ULi_cloud</author><pubDate>Tue, 12 Jun 2018 10:19:59 +0800</pubDate><description><![CDATA[通过geth来配置以太坊私有链，是学习以太坊的入门步骤。而其中，如何配置genesis.json，又是最关键的一步。如果在其中产生错误，有些会导致无法初期化私有链，有些却会导致在以后的学习过程中发生各种莫名其妙的错误。但是，现在网上能找到的配置内容，很多只适用于v1.4之前的版本，甚至连geth自身在github上的genesis.json，其中的chainId配置，也有问题。基于笔者自身实践，以...]]></description><category></category></item><item><title><![CDATA[Android studio v2.2.2 error(27,17) failed to resolve junit:junit4.12]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/80651620</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/80651620</guid><author>ULi_cloud</author><pubDate>Mon, 11 Jun 2018 14:25:15 +0800</pubDate><description><![CDATA[(27,17) Failed to resolve: junit:junit:4.12Failed to resolve: javax.inject:javax.inject:1Failed to resolve: javax.annotation:javax.annotation-api:1.2Failed to resolve: com.google.code.findbugs:jsr305:...]]></description><category></category></item><item><title><![CDATA[Android Studio Error:Connection timed out: connect.]]></title><link>https://blog.youkuaiyun.com/ULi_cloud/article/details/80648883</link><guid>https://blog.youkuaiyun.com/ULi_cloud/article/details/80648883</guid><author>ULi_cloud</author><pubDate>Mon, 11 Jun 2018 10:55:22 +0800</pubDate><description><![CDATA[最近在配置使用android studio时遇到了个错误Android Studio Error:Connection timed out: connect.，纠结了很久，后来在网上看到了一篇文章，试了下很有帮助，在这里给大家也看一下，希望能帮到同样错误的小伙伴Error:Connection timed out: connect. If you are behind an HTTP proxy,...]]></description><category></category></item></channel></rss>