1.没有找到符号的 变量下面出现的红色波浪线
http://stackoverflow.com/questions/6949431/in-eclipse-can-i-remove-the-red-error-markers
It's possible to tell Eclipse not to underline the text / show it in the vertical or overview ruler by unchecking all checkboxes in Preferences -> General -> Editors -> Text Editors -> Annotations -> Errors
2.鼠标悬停在 某个类上,显示实现的时候,背景是黑色的
Window>Preferences>C/C++>Editor: Appearance Color Options>Source Hover Background
http://askubuntu.com/questions/70599/how-to-change-tooltip-background-color-in-unity
3.source format
http://stackoverflow.com/questions/13893942/eclipse-c-formatter-puts-new-line-before-method-identifiers
insert_new_line_before_identifier_in_function_declaration
access_specifier
4. file search时忽略 指定文件目录
https://stackoverflow.com/questions/443169/exclude-folders-from-eclipse-search
5. indexer时忽略 指定文件目录
https://stackoverflow.com/questions/31300047/how-to-exclude-files-from-eclipse-indexing-static-code-analysis