suprise to surprise
Typo: Missing “)” in 2012-12-10-instancetype

Added a missing closing parenthesis “)” to a sentence near the end of 2012-12-10-instancetype.
Merge pull request #136 from capnslipp/patch-1

Typo: Missing “)” in 2012-12-10-instancetype
Merge pull request #135 from carsonmcdonald/plugintypo

Change suprise to surprise
Adding missing descriptions
Adding UIActivityViewController article
Remove double slash because it is not a part of scheme
Adding closing square bracket on UIActivityViewController snippet.

Noticed this one this morning when I saw the article. Stellar writeup!
Merge pull request #138 from kreeger/uiavc-article-codefix

Adding closing square bracket on UIActivityViewController snippet.
Merge pull request #137 from oleksii-taran/remove-double-slash

Remove double slash because it is not a part of scheme
Insert apostrophe
for => with
Insert "the"
Remove extra word
Small typo CGGetMid[X|Y]
Merge pull request #140 from chadedrupt/patch-1

Small typo CGGetMid[X|Y]
Merge pull request #139 from mikeabdullah/patch-4

Assorted grammar etc. adjustments
Adding missing part of sentence
Adding MKGeodesicPolyline article
Remove duplicated "of"