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How to trigger event when a variable's value is changed?
... }
}
}
}
private NotifyPropertyChanged(string propertyName)
{
//Raise PropertyChanged event
}
public event PropertyChangedEventHandler PropertyChanged;
}
public class MySubscriber
{
private MyClass _myClass;
void PropertyChan...
What is the relationship between Looper, Handler and MessageQueue in Android?
...em.out.println("Hello from a thread!");
}
public static void main(String args[]) {
(new Thread(new HelloRunnable())).start();
}
}
Now, let's apply this simple principle to Android app. What would happen if an Android app is run on a normal thread? A thread called "main" or "UI...
Eclipse RCP Plug-in开发自学教程（Eclipse3.6） - 文档下载 - 清泛网 - ...
......................................................169
17.1.1 Externalize Strings ............................................................................................................169
17.1.2 中文属性文件 .................................................................................
Detect iPad users using jQuery?
... user agent. The main offender here is Facebook.
Compare these user agent strings from iOS devices:
# iOS Safari
iPad: Mozilla/5.0 (iPad; CPU OS 5_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B176 Safari/7534.48.3
iPhone: Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like M...
Google Map API V3: How to add Custom data to markers
...ou may add custom information in the form key: value, where key is a valid string. They are called object properties and can be approached in many different ways. The value can be anything legal, as simple as numbers or strings, and also functions, or even other objects. Three simple ways: in the de...
What is the Ruby (spaceship) operator?
...puts 0
echo 3 <=> 4; //outputs -1
echo 4 <=> 3; //outputs 1
//String Comparison
echo "x" <=> "x"; // 0
echo "x" <=> "y"; //-1
echo "y" <=> "x"; //1
MORE:
// Integers
echo 1 <=> 1; // 0
echo 1 <=> 2; // -1
echo 2 <=> 1; // 1
// Floats
echo 1.5 <...
jquery - return value using ajax result on success
... * xResponse method is made to return jQuery ajax response
*
* @param {string} url [your url or file]
* @param {object} your ajax param
* @return {mix} [ajax response]
*/
$.extend({
xResponse: function(url, data) {
// local var
var theResponse = null;
// j...
What is the maximum length of data I can put in a BLOB column in MySQL?
...B)
a LONGBLOB for 4294967295 bytes (4 GB).
See Storage Requirements for String Types for more info.
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What is a 'SAM type' in Java?
...ou can declare a Callable using lambda expressions like this:
Callable<String> strCallable = () -> "Hello world!";
System.out.println(strCallable.call()); // prints "Hello world!"
Lambda expressions in this context are mostly just syntactic sugar. They look better in code than anonymous ...
LINQ OrderBy versus ThenBy
...ut if you were for example passed a list of sort columns and directions as strings and bools, you could loop over them and use them in a switch like:
var query = db.People.AsNoTracking();
var sortHelper = EFSortHelper.Create(query);
foreach(var sort in sorts)
{
switch(sort.ColumnName)
{
cas...