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Can an html element have multiple ids?
...wed by any number of letters, digits ([0-9]), hyphens ("-"), underscores ("_"), colons (":"), and periods (".").
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Pandas aggregate count distinct
...
How about either of:
>>> df
date duration user_id
0 2013-04-01 30 0001
1 2013-04-01 15 0001
2 2013-04-01 20 0002
3 2013-04-02 15 0002
4 2013-04-02 30 0002
>>> df.groupby("date").agg({"duration": np.sum, "use...
Where is Erlang used and why? [closed]
...
From Programming Erlang:
alt text http://bks8.books.google.com/books?id=Qr_WuvfTSpEC&printsec=frontcover&img=1&zoom=5&sig=ACfU3U2F4YY4KqO0vCuZ4WEZjdE2yFFvvg
Many companies are using Erlang in their production systems:
• Amazon uses Erlang to implement SimpleDB, providing database ...
Do AJAX requests retain PHP Session info?
If I had a user logged onto my site, having his id stored in $_SESSION , and from his browser he clicked a 'Save' button which would make an AJAX request to the server. Will his $_SESSION and cookies be retained in this request, and can I safely rely on the id being present in the $_SESSION ?
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Usages of Null / Nothing / Unit in Scala
...wered Apr 23 '13 at 16:40
pagoda_5bpagoda_5b
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Parse JSON in C#
...e recursion.
Properties (in 2.0) should be defined like such :
string _unescapedUrl; // <= private field
[DataMember]
public string unescapedUrl
{
get { return _unescapedUrl; }
set { _unescapedUrl = value; }
}
You have a private field and then you return the value of that field i...
Moq: Invalid setup on a non-overridable member: x => x.GetByTitle(“asdf”)
...ked virtual. In your comment, I understand it so that the instantiating of _mockArticleDao is done something like this:
_mockArticleDao = new Mock<ArticleDAO>();
If you want to keep it as so, you need to mark the GetArticle method virtual:
public class ArticleDAO : GenericNHibernateDAO(IA...
Where are static variables stored in C and C++?
... 00 00 00 mov 0x0(%rip),%eax # a <f+0xa>
6: R_X86_64_PC32 .data-0x4
and the .data-0x4 says that it will go to the first byte of the .data segment.
The -0x4 is there because we are using RIP relative addressing, thus the %rip in the instruction and R_X86_64_PC32.
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Best practice for localization and globalization of strings and labels [closed]
...and a get method (in some ways also defining an smaller function name like _) for retrieving/converting the key to the value. In my explaining the key means that string you want to translate and the value means translated string.
Then, you just need a JSON document to store key's and value's.
For e...
How do I send a POST request with PHP?
...lencoded\r\n",
'method' => 'POST',
'content' => http_build_query($data)
)
);
$context = stream_context_create($options);
$result = file_get_contents($url, false, $context);
if ($result === FALSE) { /* Handle error */ }
var_dump($result);
See the PHP manual for more inf...