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C# Lazy Loaded Automatic Properties
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Here's my implementation of a solve to your problem. Basically the idea is a property that will be set by a function at first access and subsequent accesses will yield the same return value as the first.
public class LazyProperty<T>
{
bool _initialized = false;
T _result;...
Using jQuery how to get click coordinates on the target element
...element ( or ) simply the mouse pointer location
Try this Demo : http://jsfiddle.net/AMsK9/
Edit :
1) event.pageX, event.pageY gives you the mouse position relative document !
Ref : http://api.jquery.com/event.pageX/
http://api.jquery.com/event.pageY/
2) offset() : It gives the offset p...
MySQL Creating tables with Foreign Keys giving errno: 150
...ined by mistake. See @andrewdotn's answer below for instructions on how to identify these problem FK's.
Hope this helps.
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package R does not exist
...actored by renaming the namespace folders. I just forgot to also edit AndroidManifest and that's why I got this error.
Make sure you check this as well.
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Getting Django admin url for an object
... to change it to this:
(r'^admin/', include(admin.site.urls) ),
Once I did that, all the goodness that was promised in the Reversing Admin URLs docs started working.
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What should my Objective-C singleton look like? [closed]
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Another option is to use the +(void)initialize method. From the documentation:
The runtime sends initialize to each class in a program exactly one time just before the class, or any class that inherits from it, is sent its first message from within the ...
SQLAlchemy: how to filter date field?
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@rippleslash: you are right, and ideally one should use the proper data type for parameters. However all databases understand also the ISO 8601 format for dates, which also happens to be lexicographical order. For this reason for simple examples i generally ...
How to port data-only volumes from one host to another?
...lumes there is the concept of so-called data-only containers, which provide a volume that can be mounted into multiple other containers, no matter whether the data-only container is actually running or not.
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How to clear a notification in Android
...ice(Context.NOTIFICATION_SERVICE);
notificationManager.cancel(NOTIFICATION_ID);
In this code there is alway the same id used for notifications. If you have different notifications that need to be canceled you have to save the ids that you used to create the Notification.
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How to exclude property from Json Serialization
...embers that shouldn't be serialized. See the example taken from here:
Consider the following (simplified) case:
public class User {
public int Id { get; set; }
public string Name { get; set; }
[ScriptIgnore]
public bool IsComplete
{
get { return Id > 0 && !str...