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Django dynamic model fields
...tegrates with Django admin;
At the same time being really powerful.
Downsides:
Not very efficient. This is more of a criticism of the EAV pattern itself, which requires manually merging the data from a column format to a set of key-value pairs in the model.
Harder to maintain. Maintaining data...
Parse a URI String into Name-Value Collection
... pairs = query.split("&");
for (String pair : pairs) {
int idx = pair.indexOf("=");
query_pairs.put(URLDecoder.decode(pair.substring(0, idx), "UTF-8"), URLDecoder.decode(pair.substring(idx + 1), "UTF-8"));
}
return query_pairs;
}
You can access the returned Map using...
Animate a custom Dialog
I'm trying to have a custom dialog appear as though it's sliding down from a text view. Is this possible? I can't seem to apply any animation to dialog class. I've tried this line in the constructor, but it has no effect:
...
Explain ExtJS 4 event handling
...e are equivalent) were created. So, for example, if we have html:
<div id="test_node"></div>
and we want add click event handler.
Let's retrieve Element:
var el = Ext.get('test_node');
Now let's check docs for click event. It's handler may have three parameters:
click( Ext.Even...
Sending HTTP POST Request In Java
...erflow.com/a/9242394/1338936 - just for anyone finding this answer like I did :)
– Martin Lyne
Oct 28 '12 at 20:43
...
What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?
... When the postfix-expression in a function call (5.2.2) is an unqualified-id, other namespaces not considered during the usual unqualified lookup (3.4.1) may be searched, and in those namespaces, namespace-scope friend function declarations (11.3) not otherwise visible may be found. These modificat...
Practical usage of setjmp and longjmp in C
... where exception in other langages (C++, Java) make sense.
Coroutines
Besides error handling, I can think also of another situation where you need setjmp/longjmp in C:
It is the case when you need to implement coroutines.
Here is a little demo example.
I hope it satisfies the request from Sivapr...
Amazon S3 CORS (Cross-Origin Resource Sharing) and Firefox cross-domain font loading
...the AWS staff in the link (https://forums.aws.amazon.com/thread.jspa?threadID=114646) below, commented by @Jeff-Atwood.
From the linked thread, it is advised, as a workaround, to use a Query String for differentiating between calls from different domains. I'll reproduce the shortened example here.
...
Parsing JSON using Json.net
...public enum PositionType { none, point }
public class Ref
{
public int id { get; set; }
}
public class SubObject
{
public NameTypePair attributes { get; set; }
public Position position { get; set; }
}
public class Position
{
public int x { get; set; }
public int y { get; set; }
}...
Difference between CouchDB and Couchbase
...st bug fixes) and Enterprise Edition (there are restrictions on usage, confidentiality provisions, audits by Couchbase Inc. that "will be conducted during regular business hours at Licensee's facilities" and other terms typical to proprietary software that many people may find unacceptable).
CouchD...