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What is the length of the access_token in Facebook OAuth2?
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From section 1.4 of The OAuth 2.0 Authorization Protocol (draft-ietf-oauth-v2-22)
Access tokens can have different formats, structures, and methods
of utilization (e.g. cryptographic properties) based on the
resource server security requirem...
Detect current device with UI_USER_INTERFACE_IDIOM() in Swift
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Swift 2.0 & iOS 9 & Xcode 7.1
// 1. request an UITraitCollection instance
let deviceIdiom = UIScreen.mainScreen().traitCollection.userInterfaceIdiom
// 2. check the idiom
switch (deviceIdiom) {
case .Pad:
print("iPa...
How to read from stdin line by line in Node
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This doesn't work for me (node v9.2.0, Windows). Error: EISDIR: illegal operation on a directory, fstat at tryStatSync (fs.js:534:13)`
– AlexChaffee
Dec 18 '17 at 22:47
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What's the key difference between HTML 4 and HTML 5?
...e this is not the case. The latest W3C recommendation of XHTML is 1.1, and 2.0 is in the draft stages.
– David Rivers
Aug 11 '10 at 4:41
4
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ArrayList vs List in C#
...<T>. You shouldn't use ArrayList in new code that targets .NET >= 2.0 unless you have to interface with an old API that uses it.
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Creating a UICollectionView programmatically
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For Swift 2.0
Instead of implementing the methods that are required to draw the CollectionViewCells:
func collectionView(collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAtIndexPath in...
Predicate Delegates in C#
...cate is a feature that returns true or false.This concept has come in .net 2.0 framework.
2) It is being used with lambda expression (=>). It takes generic type as an argument.
3) It allows a predicate function to be defined and passed as a parameter to another function.
4) It is a special case ...
TransactionScope automatically escalating to MSDTC on some machines?
...172070.aspx
Promotable Transactions in SQL Server 2008
In version 2.0 of the .NET Framework
and SQL Server 2005, opening a second
connection inside a TransactionScope
would automatically promote the
transaction to a full distributed
transaction, even if both connections
were usi...
HtmlString vs. MvcHtmlString
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HtmlString was only introduced in .Net 4.0.
In ASP.Net 3.5 MVC 2.0, you should use MvcHtmlString.
In .Net 4.0, you should use HtmlString. (which is simpler)
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Dashed line border around UIView
...CGContextSetRGBFillColor(context, 0.0, 0.0, 1.0, 1.0);
// Draw them with a 2.0 stroke width so they are a bit more visible.
CGContextSetLineWidth(context, 4.0);
CGContextSetLineDash(context, 0.0, dashPattern, 2);
CGContextAddRect(context, self.bounds);
// Close the path
CGContextClosePath(context)...