Update why-is-subtracting-these-two-times-in-1927-giving-a-strange-result.md

gaoshihang · web-flow · commit bbe5225c9b0c · 2016-07-25T15:16:25.000+08:00
diff --git a/contents/why-is-subtracting-these-two-times-in-1927-giving-a-strange-result.md b/contents/why-is-subtracting-these-two-times-in-1927-giving-a-strange-result.md
@@ -57,3 +57,4 @@ Locale(Locale.getDefault()): zh_CN
 
 这只是美好但奇怪的世界时区中的一个插曲。
 
+stackoverflow链接：[Why is subtracting these two times (in 1927) giving a strange result?](http://stackoverflow.com/questions/6841333/why-is-subtracting-these-two-times-in-1927-giving-a-strange-result)

Original file line number	Diff line number	Diff line change
`@@ -57,3 +57,4 @@ Locale(Locale.getDefault()): zh_CN`
`57`	`57`
`58`	`58`	`这只是美好但奇怪的世界时区中的一个插曲。`
`59`	`59`
	`60`	`+stackoverflow链接：[Why is subtracting these two times (in 1927) giving a strange result?](http://stackoverflow.com/questions/6841333/why-is-subtracting-these-two-times-in-1927-giving-a-strange-result)`