<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[soindy]]></title><description><![CDATA[一小枚程序媛~]]></description><link>https://blog.youkuaiyun.com/soindy</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; soindy]]></copyright><item><title><![CDATA[MySQL 报错: Subquery returns more than 1 row]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/96146685</link><guid>https://blog.youkuaiyun.com/soindy/article/details/96146685</guid><author>soindy</author><pubDate>Tue, 16 Jul 2019 16:14:56 +0800</pubDate><description><![CDATA[MySQL 报错: Subquery returns more than 1 row
查询 demo
SET @tableNameList := (SELECT id FROM `tableName`);


查询多条记录

SET @tableNameList := (SELECT GROUP_CONCAT(id) FROM `tableName`);


查询数量 LIMIT 1  (仅仅避开...]]></description><category></category></item><item><title><![CDATA[error: could not delete '/usr/local/lib/python3.6/site-packages/pip/_internal/configuration.py': Per]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/80310519</link><guid>https://blog.youkuaiyun.com/soindy/article/details/80310519</guid><author>soindy</author><pubDate>Mon, 14 May 2018 15:44:02 +0800</pubDate><description><![CDATA[brew install python 报错: 
error: could not delete ‘/usr/local/lib/python3.6/site-packages/pip/_internal/configuration.py’: Permission denied

cd /usr/local &amp;amp;&amp;amp; sudo chown -R $(whoami) bin etc in...]]></description><category></category></item><item><title><![CDATA[Could not start the julia language server. Make sure the configuration setting julia.executablePath]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/79670205</link><guid>https://blog.youkuaiyun.com/soindy/article/details/79670205</guid><author>soindy</author><pubDate>Fri, 23 Mar 2018 17:09:07 +0800</pubDate><description><![CDATA[Could not start the julia language server. Make sure the configuration setting julia.executablePath points to the julia binary.

VSCode julia 配置路径:

打开julia





查看应用程序路径





VSCode 中 command + , 打开配...]]></description><category></category></item><item><title><![CDATA[微信小程序: swiper 的 swiper-item 下 scroll-view 无法滚动]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/79327215</link><guid>https://blog.youkuaiyun.com/soindy/article/details/79327215</guid><author>soindy</author><pubDate>Wed, 14 Feb 2018 23:54:08 +0800</pubDate><description><![CDATA[
  微信开发工具 v1.02.1802080


swiper-item 和 scroll-view 及其中间的所有 view 都需要设置 height: 100%;

设置具体初始高度: style=&quot;height:{{winHeight}}px&quot;

如果仍然有问题, 需要设置scroll-view的滚动方向 :

scroll-x=&quot;false&quot; 
scroll-y=&quot;true&quot;

示例代码...]]></description><category></category></item><item><title><![CDATA[微信小程序: 设置 Button 边框 border]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/79313372</link><guid>https://blog.youkuaiyun.com/soindy/article/details/79313372</guid><author>soindy</author><pubDate>Sun, 11 Feb 2018 21:30:10 +0800</pubDate><description><![CDATA[
  微信开发工具 v1.02.1802080


微信小程序自定义 Button 边框 border主要代码: 

.myButton{
  border: 1px solid #70bcf6; 
  border-radius: 2px;  
  background-color: white;
}

.myButton::after{
  border: none; 
}

效果如下:

...]]></description><category></category></item><item><title><![CDATA[LuaAuxLib 方法]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/78093968</link><guid>https://blog.youkuaiyun.com/soindy/article/details/78093968</guid><author>soindy</author><pubDate>Tue, 26 Sep 2017 12:33:33 +0800</pubDate><description><![CDATA[整理自: lua插件中LuaAuxLib调用按键、触摸、找色、找图等功能基本命令触摸命令KeyPress            --(virtual_key, 0)=KeyPress
                    --(virtual_key, 1)=KeyDown
                    --(virtual_key, 2)=KeyUp
Swipe]]></description><category></category></item><item><title><![CDATA[IDEA 报错:Can't start Git: /usr/bin/git Probably the path to Git executable is not valid.]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/78083167</link><guid>https://blog.youkuaiyun.com/soindy/article/details/78083167</guid><author>soindy</author><pubDate>Mon, 25 Sep 2017 11:13:30 +0800</pubDate><description><![CDATA[IDEA 报错: Can’t start Git: /usr/bin/git Probably the path to Git executable is not valid.错误原因: 
打开 IDEA 的 Teminal 就可以看到错误原因: 
Agreeing to the Xcode/iOS license requires admin privileges, please run “sud]]></description><category></category></item><item><title><![CDATA[Mac 端口常用操作]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/77991465</link><guid>https://blog.youkuaiyun.com/soindy/article/details/77991465</guid><author>soindy</author><pubDate>Fri, 15 Sep 2017 14:42:34 +0800</pubDate><description><![CDATA[查看某一端口占用lsof -i:9009 
  9009为要查看的端口号
打印结果:COMMAND   PID   USER   FD   TYPE             DEVICE SIZE/OFF NODE NAME
node    34825 soindy   15u  IPv4 0x9fde46ebada29821      0t0  TCP localhost:pichat (LIST]]></description><category></category></item><item><title><![CDATA[Redis 启动报错: Creating Server TCP listening socket *:6379: bind: Address already in use]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/77991080</link><guid>https://blog.youkuaiyun.com/soindy/article/details/77991080</guid><author>soindy</author><pubDate>Fri, 15 Sep 2017 14:14:58 +0800</pubDate><description><![CDATA[Redis 启动报错:➜  ~ redis-server
44436:M 15 Sep 13:59:39.847 # Creating Server TCP listening socket *:6379: bind: Address already in use原因: Redis已经启动解决: 关掉Redis,重启即可redis-cli shutdown
redis-server然后你就能看到Re]]></description><category></category></item><item><title><![CDATA[R 语言基础知识]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/75042548</link><guid>https://blog.youkuaiyun.com/soindy/article/details/75042548</guid><author>soindy</author><pubDate>Thu, 13 Jul 2017 00:15:37 +0800</pubDate><description><![CDATA[R 赋值赋值 :x <- 2console :[1] 2  
  注: index 从 1 开始
向量 (vector)只能包含同一类型的对象 # vector(mode = "logical", length = 0L) (类型,长度)
x <- vector("character",length = 4)console :chr [1:4] "" "" "" ""或x1 <- 1:4  cons]]></description><category></category></item><item><title><![CDATA[Mac 通过 Homebrew 安装 R 和 RStudio]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/75020602</link><guid>https://blog.youkuaiyun.com/soindy/article/details/75020602</guid><author>soindy</author><pubDate>Wed, 12 Jul 2017 15:45:48 +0800</pubDate><description><![CDATA[Mac 通过 homebrew 安装 R: 
安装 homebrew (如果没有) :ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
安装 Rbrew tap homebrew/science
brew install r或者 brew install homebrew]]></description><category></category></item><item><title><![CDATA[man: can't change directory to '/root': Permission denied]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/75006157</link><guid>https://blog.youkuaiyun.com/soindy/article/details/75006157</guid><author>soindy</author><pubDate>Wed, 12 Jul 2017 10:19:23 +0800</pubDate><description><![CDATA[执行 man 命令报错:  
man: can’t change directory to ‘/root’: Permission denied 
man: command exited with status 255: sed -e错误原因: 用户权限不够解决办法:  修改用户权限即可]]></description><category></category></item><item><title><![CDATA[Mac 通过 SSH 控制 Linux]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/74984858</link><guid>https://blog.youkuaiyun.com/soindy/article/details/74984858</guid><author>soindy</author><pubDate>Tue, 11 Jul 2017 16:37:39 +0800</pubDate><description><![CDATA[Linux 配置首先 Linux 安装 SSH :sudo apt install openssh-server修改 SSH 配置 :vim /etc/ssh/sshd_config 添加以下代码 :#PermitRootLogin without-password
PermitRootLogin yes重启 SSH :systemctl restart sshd查看本地地址ifconfigMac]]></description><category></category></item><item><title><![CDATA[dpkg: error processing package ***(--install): dependency problems - leaving unconfigured]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/74970892</link><guid>https://blog.youkuaiyun.com/soindy/article/details/74970892</guid><author>soindy</author><pubDate>Tue, 11 Jul 2017 14:44:19 +0800</pubDate><description><![CDATA[依赖错误, 安装相应的依赖即可. 或者自动安装缺少依赖:sudo apt install -f]]></description><category></category></item><item><title><![CDATA[Linux: could not open lock file /var/lib/dpkg/lock -open (13: Permission denied)]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/74948615</link><guid>https://blog.youkuaiyun.com/soindy/article/details/74948615</guid><author>soindy</author><pubDate>Tue, 11 Jul 2017 13:43:04 +0800</pubDate><description><![CDATA[报错: could not open lock file /var/lib/dpkg/lock -open (13: Permission denied) 
Unable to lock the administration directory (/var/lib/dpkg)Permission denied 的话使用sudo执行即可, 比如:sudo apt install -f]]></description><category></category></item><item><title><![CDATA[Linux 使用 dpkg 安装 Debian 包]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/74944082</link><guid>https://blog.youkuaiyun.com/soindy/article/details/74944082</guid><author>soindy</author><pubDate>Tue, 11 Jul 2017 12:33:04 +0800</pubDate><description><![CDATA[安装一个 Debian 包文件，如你手动下载的文件: dpkg -i file比如:sudo dpkg -i /home/soindy/Downloads/nets.deb]]></description><category></category></item><item><title><![CDATA[Linux: sudo 和 su 命令异同]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/73832025</link><guid>https://blog.youkuaiyun.com/soindy/article/details/73832025</guid><author>soindy</author><pubDate>Wed, 28 Jun 2017 10:55:37 +0800</pubDate><description><![CDATA[sudo通常 ‘Permission denied’ 错误的时候,需要执行 sudo 命令. 该命令会提高执行权限(通常是 root). 当然 使用 sudo -u username 会指定特定用户. 
并不是所有的用户都可以执行 sudo 命令, 只有在 sudoers file 中存在的用户才能执行. 具体请看这里: sudoers file编辑 sudoers file 时建议使用 visud]]></description><category></category></item><item><title><![CDATA[MD5 使用 md5sum  hash 校验文件完整性与是否被篡改]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/73800416</link><guid>https://blog.youkuaiyun.com/soindy/article/details/73800416</guid><author>soindy</author><pubDate>Tue, 27 Jun 2017 15:48:34 +0800</pubDate><description><![CDATA[基本概念MD5算法可以被用来验证文件的完整性和是否被篡改。MD5 全称是报文摘要算法（Message-Digest Algorithm 5），通过对任意长度的信息逐位进行计算，产生一个二进制长度为128位（十六进制长度就是32位）的 hash 值, 不同的文件产生相同的hash的可能性是非常小。md5sum -option filename其中 filename 就是需要校验的文件, option]]></description><category></category></item><item><title><![CDATA[在脚本(script)中判断某个命令是否存在]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/73794548</link><guid>https://blog.youkuaiyun.com/soindy/article/details/73794548</guid><author>soindy</author><pubDate>Tue, 27 Jun 2017 14:26:49 +0800</pubDate><description><![CDATA[在脚本(script)中判断某个命令是否存在: $ command -v foo >/dev/null 2>&1 || { echo >&2 "I require foo but it's not installed.  Aborting."; exit 1; }command -v 可以使用 type , hash 或者 which. 但是后三者都有系统限制.具体请看这里: stackoverfl]]></description><category></category></item><item><title><![CDATA[文件权限和属性: drwxr-xr-x 具体含义]]></title><link>https://blog.youkuaiyun.com/soindy/article/details/73743670</link><guid>https://blog.youkuaiyun.com/soindy/article/details/73743670</guid><author>soindy</author><pubDate>Mon, 26 Jun 2017 19:20:01 +0800</pubDate><description><![CDATA[查看文件属性:r - read
w - write
x - execute权限:7 = all rights
6 = read and write
5 = read and execute
4 = read only
3 = execute and write
2 = write only
1 = execute only
0 = no rights比如: drwxrwxrwx+其中第一位表示文件类]]></description><category></category></item></channel></rss>