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Create Generic method constraining T to an Enum
...se<SomeEnum>("value");
Note: this is specifically stated in the C# 5.0 language specification:
If type parameter S depends on type parameter T then:
[...] It is valid for
S to have the value type constraint and T to have the reference type
constraint. Effectively this limits T to t...
Why use the SQL Server 2008 geography data type?
...
If you plan on doing any spatial computation, EF 5.0 allows LINQ Expressions like:
private Facility GetNearestFacilityToJobsite(DbGeography jobsite)
{
var q1 = from f in context.Facilities
let distance = f.Geocode.Distance(jobsite)
...
Version vs build in Xcode
...t file(s).
This is extended from the how-to article here.
In Xcode 4.2 - 5.0:
Load your Xcode project.
In the left hand pane, click on your project at the very top of the hierarchy. This will load the project settings editor.
On the left-hand side of the center window pane, click on your app und...
What are 'get' and 'set' in Swift?
...in the get code block, and when you use it like this:
myClass.perimeter = 5.0
you are invoking the code contained in the set code block, where newValue is automatically filled with the value provided at the right of the assignment operator.
Computed properties can be readwrite if both a getter a...
Truncating long strings with CSS: feasible yet?
...Windows OS, for web browsers:
IE6 to IE11
Opera 10.6, Opera 11.1, Opera 15.0, Opera 20.0
Chrome 14, Chrome 20, Chrome 25
Safari 4.0, Safari 5.0, Safari 5.1
Firefox 7.0, Firefox 15
Firefox: as pointed out by Simon Lieschke (in another answer), Firefox only support the text-overflow CSS property f...
HTML5: Slider with two inputs possible?
...lly have a good way to test those versions, but it works for me on Android 5.0 with the latest version of Safari (which google play says is 1.2, so I'm confused about your 4.0). If you figure it out, I'd love to know.
– Gary
Sep 7 '15 at 16:18
...
What are the differences between delegates and events?
...
NOTE: If you have access to C# 5.0 Unleashed, read the "Limitations on Plain Use of Delegates" in Chapter 18 titled "Events" to understand better the differences between the two.
It always helps me to have a simple, concrete example. So here's one for t...
How do I delete a Git branch locally and remotely?
... push <remote_name> :<branch_name>
which was added in Git v1.5.0 "to delete a remote branch or a tag."
Starting on Git v2.8.0 you can also use git push with the -d option as an alias for --delete.
Therefore, the version of Git you have installed will dictate whether you need to use t...
Interface Builder: What are the UIView's Layout iOS 6/7 Deltas for?
...
AutoLayout requires at least iOS 6.0. If you want to support iOS 5.0 you couldn't use AutoLayout.
And those deltas are used to help you adjust the view position on different iOS version(mainly iOS 7 and iOS version lower than 7).
I use those value to help me like this picture.
...
Do you have to put Task.Run in a method to make it async?
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