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MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
... raisers):
public class NearlyPOCO: INotifyPropertyChanged
{
public string ValueA {get;set;}
public string ValueB {get;set;}
public event PropertyChangedEventHandler PropertyChanged;
}
then you can have your ViewModel listen to PropertyChanged for any changes; or property specifi...
Best practice using NSLocalizedString
I'm (like all others) using NSLocalizedString to localize my app.
9 Answers
9
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Iterate through every file in one directory
...puts path
end
The benefit is that you get a Pathname object instead of a string, that you can do useful stuff with and traverse further.
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follo...
Define static method in source-file with declaration in header-file in C++
... refer to static variables of that class. So in your case,
static void CP_StringToPString( std::string& inString, unsigned char *outString);
Since your member function CP_StringToPstring is static, the parameters in that function, inString and outString should be declared as static too.
The ...
Sending a message to nil in Objective-C
...ethods all return 0 when you've got a nil value, so you do not have to add extra checks for nil all over:
if ( [myString length] > 0 )
or this:
return [myArray count]; // say for number of rows in a table
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Unit testing that events are raised in C# (in order)
...g test:
[TestMethod]
public void Test_ThatMyEventIsRaised()
{
List<string> receivedEvents = new List<string>();
MyClass myClass = new MyClass();
myClass.PropertyChanged += delegate(object sender, PropertyChangedEventArgs e)
{
receivedEvents.Add(e.PropertyName);
...
What is the difference between JSON and Object Literal Notation?
...ls.
JSON has the following syntactical constraints:
Object keys must be strings (i.e. a character sequence enclosed in double quotes ").
The values can be either:
a string
a number
an (JSON) object
an array
true
false
null
Duplicate keys ({"foo":"bar","foo":"baz"}) produce undefined, implemen...
Limit text length to n lines using CSS
... var max = 200;
var tot, str;
$('.text').each(function() {
str = String($(this).html());
tot = str.length;
str = (tot <= max)
? str
: str.substring(0,(max + 1))+"...";
$(this).html(str);
});
},500); // Delayed for example only.
.text {
position: relati...
Encoding an image file with base64
I want to encode an image into a string using the base64 module. I've ran into a problem though. How do I specify the image I want to be encoded? I tried using the directory to the image, but that simply leads to the directory being encoded. I want the actual image file to be encoded.
...
AngularJS HTTP post to PHP and undefined
... however you are not changing your data value to pass an appropriate query string, so PHP is not populating $_POST as you expect.
My suggestion would be to just use the default angularjs setting of application/json as header, read the raw input in PHP, and then deserialize the JSON.
That can be ac...