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Reset all changes after last commit in git
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There are two commands which will work in this situation,
root>git reset --hard HEAD~1
root>git push -f
For more git commands refer this page
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UNIX export command [closed]
...ts environment variables from the parent. For instance if $HOME is set to /root in the parent then the child's $HOME variable is also set to /root.
This only applies to environment variable that are marked for export. If you set a variable at the command-line like
$ FOO="bar"
That variable will ...
Complex numbers usage in python [closed]
...at isn't confusing enough, some use 'i' to represent the "positive" square root of one, whereas 'j' is the "negative" square root of one. Thus i == -j. FYJ...
– jvriesem
Sep 16 '16 at 4:28
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Add Favicon to Website [duplicate]
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Simply put a file named favicon.ico in the webroot.
If you want to know more, please start reading:
Favicon on Wikipedia
Favicon Generator
How to add a Favicon by W3C (from 2005 though)
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Execute ssh with password authentication via windows command prompt
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What about this expect script?
#!/usr/bin/expect -f
spawn ssh root@myhost
expect -exact "root@myhost's password: "
send -- "mypassword\r"
interact
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Access a variable outside the scope of a Handlebars.js each loop
...an use absolute path like this:
<option value="{{id}}">{{title}} {{@root.user.path.to.externalValue}}</option>
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解决：error while loading shared libraries: libpcre.so.1: cannot open ...
...原因是缺少依赖库，使用ldd命令查看依赖库，例如：
[root@info lib]# ldd /usr/local/apache2/bin/httpd
libaprutil-0.so.0 => /usr/local/apache2/lib/libaprutil-0.so.0 (0x00242000)
libexpat.so.0 => /usr/lib/libexpat.so.0 (0x00554000)
libapr-0.so.0 => /u...
mongodb 以管理员登录并创建 database - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...in)" 标识.
例如
MongoServer server = MongoServer.Create("mongodb://root:111@192.168.0.34:27017/?connect=direct;slaveOk=true");
MongoServer server = MongoServer.Create("mongodb://root(admin):111@192.168.0.34:27017/?connect=ReplicaSet;slaveOk=true");
是在以下找到的,用的关键字 "Mo...
内网时间同步问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...sbin/hwclock -w
2. 设定计划任务
crontab -e
10 5 * * * root ntpdate 192.168.0.2 ;hwclock -w
这样每天5:10自动进行网络校时
注意事项：
1. 使用很多服务器可以大幅度改善 ntpdate 命令的可靠性与精度。尽管能使用单一服...
Mac OS X安装Bochs - 更多技术 - 清泛网 - 专注C/C++及内核技术
Mac OS X安装Bochs1.安装x11;2.开启Mac OS X的root用户3.configure我在这里遇到的问题是，提示我少一个这个头文件X11 extensions Xrandr.h谷歌了一下，机子...1.安装x11;
2.开启Mac OS X的root用户
3.configure
我在这里遇到的问题是，提示我少一个...