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What's the state of the art in email validation for Rails?
...del:
class TestUser
include Mongoid::Document
field :email, type: String
validates :email, email: true
end
Your validator (goes in app/validators/email_validator.rb)
class EmailValidator < ActiveModel::EachValidator
EMAIL_ADDRESS_QTEXT = Regexp.new '[^\\x0d\\x22\\x5c\\x8...
Android View shadow
... Awesome. Just an FYI for future viewers, this is in /<sdk-path>/extras/android/support.
– theblang
Aug 20 '14 at 20:26
2
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The server committed a protocol violation. Section=ResponseStatusLine ERROR
I have created a program, tried to post a string on a site and I get this error:
17 Answers
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Why does Twitter Bootstrap Use Pixels for Font Size?
...ling or anything.
Nesting ems historically has been a pain and can require extra math for figure computed/intended pixel values.
Mixing units of measurements is ugly and my inner OCD hates it.
Using units on line-height is generally discouraged, but provides immediate
knowledge of what the computed ...
Run certain code every n seconds [duplicate]
...
This seems not to resolve the question at all... it does not repeat every second.
– Yan King Yin
Jul 5 '13 at 15:28
9
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What platforms have something other than 8-bit char?
...tem libraries only supported the wide char versions of functions that take strings, and that at least some versions of WinCE removed the ANSI string functions like strlen, to stop you doing char string-handling. But did it really not have a char type at all? What was sizeof(TCHAR)? What type did mal...
What does %~dp0 mean, and how does it work?
... search, then this modifier expands to the
empty string
The modifiers can be combined to get
compound results:
%~dpI - expands %I to a drive letter and path only
%~nxI - expands %I to a file name and extension only
%~fsI - expands %I to a full pat...
Git Symlinks in Windows
...es and replaces them with symlinks on windows using mklink. while this actually works for us the --assume-unchanged part doesn't. on switching to another branch git says the symlink files are changed and need to be commited first, while git status says there are no changes..any idea?
...
Can I create links with 'target=“_blank”' in Markdown?
...rget="_blank">Hello, world!</a>
Most Markdown engines I've seen allow plain old HTML, just for situations like this where a generic text markup system just won't cut it. (The StackOverflow engine, for example.) They then run the entire output through an HTML whitelist filter, regardless, ...
C++特化模板函数的符号多重定义错误问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...mp 或其 TCHAR 版本 _tcscmp 的模板特化：
// specialization for strings
template<>
int compare<LPCTSTR>(LPCTSTR s1, LPCTSTR s2)
{
return _tcscmp(s1, s2);
}
没错，这样做完全正确，现在的问题是：将这个特化放在何处？显然是要放在模板的头文件中...