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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...
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...
Disable mouse scroll wheel zoom on embedded Google Maps
...gt;</div>
<iframe src="https://mapsengine.google.com/map/embed?mid=some_map_id" width="640" height="480"></iframe>
</html>
In my CSS i created the class:
.overlay {
background:transparent;
position:relative;
width:640px;
height:480px; /* your iframe height ...
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...
accepting HTTPS connections with self-signed certificates
...thority (CA) like Verisign , GlobalSIgn , etc., listed on the set of Android Trusted Certificates, I keep getting javax.net.ssl.SSLException: Not trusted server certificate .
...
How to set custom header in Volley Request
...
It looks like you override public Map<String, String> getHeaders(), defined in Request, to return your desired HTTP headers.
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improve...
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; }
}...
How to set different label for launcher rather than activity title?
...epends on the launcher implementation that is used.
http://developer.android.com/guide/topics/manifest/intent-filter-element.html
<activity
android:name=".ui.HomeActivity"
android:label="@string/title_home_activity"
android:icon="@drawable/icon">
<intent-filter android:label="@str...
Convert object to JSON in Android
Is there a simple method to convert any object to JSON in Android?
6 Answers
6
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