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MySQL select where column is not empty
...mpty string:
select phone, phone2
from jewishyellow.users
where phone like '813%' and phone2<>''
Note that NULL value is interpreted as false.
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Call UrlHelper in models in ASP.NET MVC
I need to generate some URLs in a model in ASP.NET MVC. I'd like to call something like UrlHelper.Action() which uses the routes to generate the URL. I don't mind filling the usual blanks, like the hostname, scheme and so on.
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How can I pass a member function where a free function is expected?
...ction pointers. However, pointers to non-static member functions are not like normal function pointers: member functions need to be called on an object which is passed as an implicit argument to the function. The signature of your member function above is, thus
void (aClass::*)(int, int)
rather t...
Limit results in jQuery UI Autocomplete
...e source parameter and then call slice on the filtered array.
Here's a working example: http://jsfiddle.net/andrewwhitaker/vqwBP/
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How can I comment a single line in XML?
... comment a line in XML and have the comment end automatically on a linebreak.
XML has only one definition for a comment:
'<!--' ((Char - '-') | ('-' (Char - '-')))* '-->'
XML forbids -- in comments to maintain compatibility with SGML.
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$watch an object
...ant to watch for changes in a dictionary, but for some reason watch callback is not called.
8 Answers
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Immutability of Strings in Java
...ring. You can change what it points to, but not that which it points at.
Take this code, for example:
String s1 = "Hello";
String s2 = s1;
// s1 and s2 now point at the same string - "Hello"
Now, there is nothing1 we could do to s1 that would affect the value of s2. They refer to the same object - ...
How to get the filename without the extension from a path in Python?
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GeoGeo
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Mixed mode assembly is built against version ‘v2.0.50727′ of the runtime
...untimeActivationPolicy="true">
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>
<requiredRuntime version="v4.0.20506" />
</startup>
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What is the best JavaScript code to create an img element
... to create a simple bit of JS code that creates an image element in the background and doesn't display anything. The image element will call a tracking URL (such as Omniture) and needs to be simple and robust and work in IE 6 =< only. Here is the code I have:
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