Fixed a typo

`UIApplicationLaunchOptionsLocalNotificationKey` specifies information about local notifications, rather than remote notifications.
Add missing formatting marker
Depluralise
Insert "the"
Add extra comma for clarity
Format NSPointerFunctionsWeakMemory as code
Extra comma for clarity
Format NULL as code
Add missing colon
Link to 2014 tips instead of 2013
Change 'has' to 'have' to match 'possibilities'

The conjugation of "to be" here goes with the plural "possibilities", and isn't affected by the appositive that separates them. Thus it's "have", not "has".
Remove an extra the
Fixing typos (/thanks @tgaul)
Adding article about extended file attributes
Using @YES literal
Merge pull request #82 from marcelofabri/patch-1

Using @YES literal
Merge pull request #81 from carsonmcdonald/thethefix

Remove an extra the
Merge pull request #79 from mmccroskey/master

Change 'has' to 'have' to match 'possibilities'
Merge pull request #78 from jurre/patch-1

Link to 2014 tips gist instead of 2013
Merge pull request #77 from mikeabdullah/patch-2

Small formatting and typo changes