我想分配:
x0='123'
x1='123'
x2='123'
x3='123'
x4='123'
x5='123'
x6='123'
x7='123'
x8='123'
x9='123'
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我编写代码来表示我可以123在输入时获取字符串的输出x1或x8.
for i in range(0,10):
eval("x"+str(i)+"='123'")
Traceback (most recent call last):
File "<stdin>", line 2, in <module>
File "<string>", line 1
x0='123'
^
SyntaxError: invalid syntax
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我怎么能这样做?
rest(){
echo "have a rest in "$1 " minutes"
at -f /home/rest.sh now+$1 minutes
}
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编辑rest.sh脚本.
vim /home/rest.sh
xscreensaver-command --lock
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测试它.
rest 60
have a rest in 60 minutes
warning: commands will be executed using /bin/sh
job 7 at Thu Feb 9 11:15:00 2017
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可以at简化静止的命令吗?
删除/home/rest.sh,用管道或其他方式传递参数?
创建一个新帖子并发布它.
标题是my test for search,内容如下:
no host route
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检查wordpress数据库中发生了什么.
select post_title from wp_posts
where post_content like "%no%"
and post_content like "%route%"
and post_content like "%to%"
and post_content like "%host%";
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命名的帖子my test for search不在select的结果中.
键入no route to hostwordpress搜索栏,然后单击"输入".命名的帖子my test for search显示为结果.
我找到了网页的原因to,在左上角,有一个单词Customize包含搜索到的单词to.
如何在wordpress serach栏中更改此类搜索操作?
我想在wordpress saerch bar中进行搜索行为,例如,当您键入时no route to host,等于以下sql命令.
select post_title from wp_posts where post_content like "%no%route%to%host%";
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我的wordpress中的所有插件.
CodePen Embedded Pens Shortcode
Crayon Syntax …Run Code Online (Sandbox Code Playgroud) 环境:centos7 + mariadb5.5.64。
让我在屏幕上显示安装信息何时运行mysql_secure_installation。
# mysql_secure_installation
NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MariaDB
SERVERS IN PRODUCTION USE! PLEASE READ EACH STEP CAREFULLY!
In order to log into MariaDB to secure it, we'll need the current
password for the root user. If you've just installed MariaDB, and
you haven't set the root password yet, the password will be blank,
so you should just press enter here.
Enter current password for root (enter for none): …Run Code Online (Sandbox Code Playgroud) 中文字符可以在我的LXTerminal上显示和输入.
root@hwy:/home/debian8# ?? \\now to input chinese characters on my LXTerminal,it means chinese characters can be inputted.
bash: ??: command not found \\ bash react the chinese characters on my LXTerminal,it means chinese characters can be displayed.
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中文字符可以输入并显示在我的python shell上.
现在让我们进入php cli(或说php shell)
点击回车键时汉字消失了.
这意味着可以显示中文字符但不能在php cli模式下输入.
如何在php cli模式下输入汉字?
事实证明,中文字符也不能粘贴到php cli中.
也许某些mbstring属性将在/etc/php5/cli/php.ini中编辑?
感谢bwoebi.继续我研究的三个事实.
1. libreadline和libedit的版本.
root@hwy:/home/debian8# find / -name 'libreadline*'
/lib/x86_64-linux-gnu/libreadline.so.6.3
/lib/x86_64-linux-gnu/libreadline.so.6
root@hwy:/home/debian8# find / -name 'libedit*'
/usr/lib/x86_64-linux-gnu/libedit.so.2
/usr/lib/x86_64-linux-gnu/libedit.so.2.0.51
/usr/share/lintian/overrides/libedit2
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2.root@hwy:/ home/debian8 #ldd"$(哪个php)"
linux-vdso.so.1 (0x00007ffd35e5c000)
libcrypt.so.1 => /lib/x86_64-linux-gnu/libcrypt.so.1 (0x00007ff98ac68000)
libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 …Run Code Online (Sandbox Code Playgroud) var imgs=document.images.length;
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它可以提取网页上的所有图像.
如何提取所有后缀为flv的flv文件,例如sample.flv在带有js的网页中?不是我本地目录中的所有flv文件而是网页.firefox中
的插件Video DownloadHelper可以获取当前的mp4文件.
为什么我的js代码不能执行相同的任务?
var Links = document.querySelectorAll('a[href$=".mp4"]');
console.log(Links);
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如何用fires中的插件等js提取当前视频文件Video DownloadHelper?
对于我的debian9中的unicode版本
ls /usr/share/doc/unicode-data
changelog.Debian.gz copyright
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提取changelog.Debian.gz,一些版本信息如下:
unicode-data (9.0-1) unstable; urgency=medium
* New upstream release. Closes: #827098.
* Move to Standards-Version: 3.9.6. No changes required.
-- Alastair McKinstry <mckinstry@debian.org> Wed, 22 Jun 2016 14:49:26 +0100
unicode-data (8.0-3) unstable; urgency=medium
* Fetch new allkeys.txt for Unicode 8. Closes: #809188.
* Move to S-V: 3.9.6. No changes required.
* Fix sort error in NameAliases.txt. Closes: #808465.
-- Alastair McKinstry <mckinstry@debian.org> Tue, 29 Dec 2015 02:15:32 +0000
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我的debian9的unicode版本是9.0-1?
对于python3中的unicode版本
>>> import unicodedata
>>> unicodedata.unidata_version …Run Code Online (Sandbox Code Playgroud) 我的httpd服务器的配置111.111.111.111(假设).
配置cors和基本身份验证 /etc/httpd/conf/httpd.conf.
<Directory "/var/www/html">
Options Indexes FollowSymLinks
AllowOverride AuthConfig
Require all granted
Header always set Access-Control-Allow-Origin "*"
Header always set Access-Control-Allow-Methods "POST, GET, PUT, DELETE, OPTIONS"
Header always set Access-Control-Allow-Credentials "true"
Header always set Access-Control-Allow-Headers "Authorization,DNT,User-Agent,Keep-Alive,Content-Type,accept,origin,X-Requested-With"
</Directory>
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为我的服务器上的基本授权制作更多配置111.111.111.111.
cd /var/www/html && vim .htaccess
AuthName "login"
AuthType Basic
AuthUserFile /var/www/html/passwd
require user username
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为用户名创建密码.
htpasswd -c /var/www/html/passwd username
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重新启动httpd:
systemctl restart httpd
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该/var/www/html/remote.html服务器上111.111.111.111.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta …Run Code Online (Sandbox Code Playgroud) 我的数据集如下:
salary number
1500-1600 110
1600-1700 180
1700-1800 320
1800-1900 460
1900-2000 850
2000-2100 250
2100-2200 130
2200-2300 70
2300-2400 20
2400-2500 10
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如何计算此数据集的中位数?这是我尝试过的:
x <- c(110, 180, 320, 460, 850, 250, 130, 70, 20, 10)
colnames <- "numbers"
rownames <- c("[1500-1600]", "(1600-1700]", "(1700-1800]", "(1800-1900]",
"(1900-2000]", "(2000,2100]", "(2100-2200]", "(2200-2300]",
"(2300-2400]", "(2400-2500]")
y <- matrix(x, nrow=length(x), dimnames=list(rownames, colnames))
data.frame(y, "cumsum"=cumsum(y))
numbers cumsum
[1500-1600] 110 110
(1600-1700] 180 290
(1700-1800] 320 610
(1800-1900] 460 1070
(1900-2000] 850 1920
(2000,2100] 250 2170
(2100-2200] …Run Code Online (Sandbox Code Playgroud) 我的系统:win7 ultimate 64英文版+ r-3.1(64).
这是我的sessionInfo.
> sessionInfo()
R version 3.1.0 (2014-04-10)
Platform: x86_64-w64-mingw32/x64 (64-bit)
locale:
[1] LC_COLLATE=English_United States.1252 LC_CTYPE=English_United States.1252
LC_MONETARY=English_United States.1252 LC_NUMERIC=C
LC_TIME=English_United States.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
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1.无法在r控制台中输入中文字符
当我在r控制台中输入中文字符时,它会变成乱码.

2.无法在r控制台上显示中文字符
当我在r控制台中读取数据时,中文字符变成乱码.
您可以下载数据并进行测试
read.table("r1.csv",sep=",")
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如果您不知道如何从我的网站获取数据,请查看图表以下载数据.

如何设置我的电脑以在r控制台中正确显示和输入中文字符?我已经更新了中文语言包并启用了它,但问题仍然存在.