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What is the use of ObservableCollection in .net?
...ed,
INotifyPropertyChanged
As such it is very useful when you want to know when the collection has changed. An event is triggered that will tell the user what entries have been added/removed or moved.
More importantly they are very useful when using databinding on a form.
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Is Java really slow?
... use standard libraries).
There is no excuse for "slow" Java applications now. Developers and legacy code/libraries are to blame, far more than the language. Also, blame anything 'enterprise.'
In fairness to the "Java is slow" crowd, here are areas where it is still slow (updated for 2013):
Libr...
WKWebView not loading local files under iOS 8
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They finally solved the bug! Now we can use -[WKWebView loadFileURL:allowingReadAccessToURL:].
Apparently the fix was worth some seconds in WWDC 2015 video 504 Introducing Safari View Controller
For iOS8 ~ iOS10 (Swift 3)
As Dan Fabulish's answer s...
Javascript date.getYear() returns 111 in 2011? [duplicate]
...be entirely honest, I suspect it was probably me who read W3Schools. Every now and again I delve into there and usually begin regretting it fairly quickly.
– Mark Henderson
Jul 24 '12 at 21:57
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How to detect if app is being built for device or simulator in Swift
In Objective-C we can know if an app is being built for device or simulator using macros:
20 Answers
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How do I add a simple jQuery script to WordPress?
...ou already have a ton of WordPress experience. For instance, they say that now that I'm loading jQuery through the functions.php file, now all I have to do is load my jQuery.
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How do Python functions handle the types of the parameters that you pass in?
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Python is strongly typed because every object has a type, every object knows its type, it's impossible to accidentally or deliberately use an object of a type "as if" it was an object of a different type, and all elementary operations on the object are delegated to its type.
This has nothing to ...
Publish to S3 using Git?
Does anyone know how to do this? So far I haven't been able to find anything useful via Google.
8 Answers
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Checking in packages from NuGet into version control?
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No
Since this question was asked there is now an easy workflow to use NuGet without commiting packages to source control
From your package manager console you need to install the 'NuGetPowerTools':
Install-Package NuGetPowerTools
Then to enable your projects to s...
Printing a variable memory address in swift
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Swift 2
This is now part of the standard library: unsafeAddressOf.
/// Return an UnsafePointer to the storage used for `object`. There's
/// not much you can do with this other than use it to identify the
/// object
Swift 3
For Swift ...