fix typo

Author: wuaoxiang

2019/10/learn_ruby.md

@@ -83,7 +83,7 @@ ruby的class method的前缀是self.
 
 ### ruby.variable
 
-种类:local/global/instance/class variabl  
+种类:local/global/instance/class variable 
 举例:$global=100,@@class=nil,@instance=nil  
 在irb直接操作类变量会有warning: class variable access from toplevel  
 

2019/11/project-admin.md

@@ -134,7 +134,7 @@ SELECT * FROM information_schema.columns WHERE column_name = 'column_name';
   validates :interval_of_hook, length: { in: 1..60 }
   validates :interval_of_sleep, length: { in: 1..60 }
   validates :status, inclusion: { in: %w(ok error),
-    message: "staus must be ok or error" }
+    message: "status must be ok or error" }
 ```
 
 ### superclass mismatch for class RobotsController

2019/before_2019/css_html_notes.md

@@ -146,8 +146,8 @@ legend标签在fieldset标签内才能生效
 </form>
 ```
 
-## CROS 跨域
+## 跨域
 
-后端: nginx 或 web 框架加上 cros
+后端: nginx 或 web 框架加上 CROS
 
 前端 ouath 需要弹窗无法做成内嵌，或者通过浏览器插件去请求绕开浏览器安全限制

2021/07/debug_and_dynamic_analyzing_tools.md

@@ -416,7 +416,7 @@ pstack 实际上在 debian 上是个 bash 脚本，但在 arch/manjaro 上只有
 
 所以我把 ubuntu/centos 的 /usr/bin/pstack 脚本抄过来就能在自己 arch 系统上运行了
 
-pstack 输出的内容跟 (gdb) attch $PID 的 bt 差不多
+pstack 输出的内容跟 (gdb) attach $PID 的 bt 差不多
 
 ```
 [ww w]$ sudo strace -p 1278031

category/vim/keymap.md

@@ -67,7 +67,7 @@ set ignorecase
 set smartcase
 set cursorline
 "set cursorcolumn
-"cursorline only actived window
+"cursorline only activated window
 augroup CursorLine
     au! 
     au VimEnter,WinEnter,BufWinEnter * setlocal cursorline

typos.toml

@@ -5,4 +5,5 @@ extend-exclude = [
 
 [default.extend-words]
 ser = "ser" # serde
+cros = "cros"
 iterm = "iterm"