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undefined method `source_index' for Gem:Module (NoMethodError)
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This helped me: http://djellemah.com/blog/2013/02/27/rails-23-with-ruby-20/
I did this in combination with gem update --system 1.8.25, which might not be needed for your case.
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Ruby : How to write a gem? [closed]
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This is how I usually create and release Gems:
Sign-up for https://github.com
Sign-up for https://rubygems.org
$ gem install ore rubygems-tasks rdoc rspec
$ mine awesome_gem
cd awesome_gem/ and edit the README.rdoc and awesome_gem.gemspec, write code in lib/awesome_gem/ and adding RS...
php implode (101) with quotes
... $value = "'$value'";
}
$comma_separated = implode(",", $array);
Demo: http://codepad.org/O2kB4fRo
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Any good boolean expression simplifiers out there? [closed]
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You can try Wolfram Alpha as in this example based on your input:
http://www.wolframalpha.com/input/?i=((A%20OR%20B)%20AND%20(NOT%20B%20AND%20C)%20OR%20C)&t=crmtb01&f=rc
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Supervisor socket error issue [closed]
... start someapp ## works
cd somedirectory
supervisorctl restart someapp ## http://localhost:9001 refused connection
Solution would be to always use the absolute path. e.g.:
Good:
supervisord -c /etc/supervisor/supervisord.conf
Bad:
supervisord -c supervisord.conf
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9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...p --sport 22 -m state --state NEW,ESTABLISHED -j ACCEPT
类似的，对于HTTP/HTTPS(80/443)、pop3(110)、rsync(873)、MySQL(3306)等基于tcp连接的服务，也可以参照上述命令配置。
对于基于udp的dns服务，使用以下命令开启端口服务：
iptables -A OUTPUT -p ud...
致PHP路上的“年轻人” - PHP - 清泛IT社区，为创新赋能！
...了。”，趁着年轻，赶紧造。
作者：Pangee
文章源自：http://pangee.cn/for-young-man@20150916.html
ASP.NET Identity's default Password Hasher - How does it work and is it secure?
...e of the salt to generate and the number of hashing iterations to perform.
https://msdn.microsoft.com/en-us/library/h83s4e12(v=vs.110).aspx
The salt and the hash are then mashed together(salt first followed
by the hash) and encoded as a string (so the salt is encoded in the
hash). This encoded hash...
HtmlEncode from Class Library
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Import System.Web
Or call the System.Web.HttpUtility which contains it
You will need to add the reference to the DLL if it isn't there already
string TestString = "This is a <Test String>.";
string EncodedString = System.Web.HttpUtility.HtmlEncode(TestString...
Difference between jQuery `click`, `bind`, `live`, `delegate`, `trigger` and `on` functions (with an
...[, data], handler(eventObject) )
.on( events-map [, selector] [, data] )
http://api.jquery.com/on/
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