Windows 8 - Windows update and updating store apps @techytube

Uploaded October 2012 | Updated September 2026, 2 weeks ago

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Windows 8 includes an update mechanism for apps installed through the Windows App Store. Windows Update still exists to update the operating system and other Microsoft software that may exist on the machine. This video demonstrates the new Windows Update UI and the method to update the store apps.

Windows 8 - Windows update and updating store apps

$Blocks in Objective-C Subscribe to our channel here for notifications on new video trainings. For more videos on technology, visit our website at http://www.techytube.com. By pavel@techytube, for more from this author visit: http://www.techytube.com/author/pavel Block objects provide a way for you to create an ad hoc function body as an expression in C, and C-derived languages such as Objective-C and C++. In other languages and environments, a block object is sometimes also called a closure. Here, they are typically referred as blocks, unless there is scope for confusion with the standard C term for a block of code. You use the ^ operator to declare a block variable and to indicate the beginning of a block literal. The body of the block itself is contained within {}, as shown in this example (as usual with C, ; indicates the end of the statement): int multiplier = 7; int (^myBlock)(int) = ^(int num) { return num * multiplier; }; Notice that the block is able to make use of variables from the same scope in which it was defined. If you declare a block as a variable, you can then use it just as you would a function: int multiplier = 5; int (^myBlock)(int) = ^(int num) { return num * multiplier; }; int result = myBlock(4); NSLog(@result = %d, result); // will output result = 20 You can find more about blocks on the following web page: http://developer.apple.com/library/ios/#documentation/cocoa/Conceptual/Blocks/Articles/00_Introduction.html$

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