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MongoDB数据导出导入工具:mongoexport,mongoimport - 大数据 & AI - 清泛...

...e,age --fieldFile arg file with fields names - 1 per line -q [ --query ] arg query filter, as a JSON string --csv export to csv instead of json -o [ --out ] arg output file; if not specified, stdout is used --jsonArray output...
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Is there a literal notation for an array of symbols?

...nately the list of available %-delimiters is limited Modifier Meaning %q[ ] Non-interpolated String (except for \\ \[ and \]) %Q[ ] Interpolated String (default) %r[ ] Interpolated Regexp (flags can appear after the closing delimiter) %s[ ] Non-interpolated Symbol %w[ ] ...
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How to replace a character by a newline in Vim

...echo 'Before:'; xxd test) > output.txt vim test '+s/b/\n/' '+s/a/\r/' +wq (echo 'After:'; xxd test) >> output.txt more output.txt Before: 0000000: 6261 720a bar. After: 0000000: 000a 720a ..r. In other words, \n has inserted t...
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Get user info via Google API

... You can just query this url, using the access token you get after user has authorized you to access this scope. Example: curl -X GET "https://www.googleapis.com/oauth2/v1/userinfo?alt=json" -H"Authorization: Bearer accessTokenHere" ...
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Makefile经典教程(入门必备) - C/C++ - 清泛网 - 专注IT技能提升

...,他只管执行所定义的命令。make会比较targets文件和prerequisites文件的修改日期,如果prerequisites文件的日期要比targets文件的日期要新,或者target不存在的话,那么,make就会执行后续定义的命令。 make会在当前目录下找...
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Makefile经典教程(入门必备) - C/C++ - 清泛网 - 专注IT技能提升

...,他只管执行所定义的命令。make会比较targets文件和prerequisites文件的修改日期,如果prerequisites文件的日期要比targets文件的日期要新,或者target不存在的话,那么,make就会执行后续定义的命令。 make会在当前目录下找...
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Makefile经典教程(入门必备) - C/C++ - 清泛网 - 专注IT技能提升

...,他只管执行所定义的命令。make会比较targets文件和prerequisites文件的修改日期,如果prerequisites文件的日期要比targets文件的日期要新,或者target不存在的话,那么,make就会执行后续定义的命令。 make会在当前目录下找...
https://www.tsingfun.com/it/cp... 

Makefile经典教程(入门必备) - C/C++ - 清泛网 - 专注IT技能提升

...,他只管执行所定义的命令。make会比较targets文件和prerequisites文件的修改日期,如果prerequisites文件的日期要比targets文件的日期要新,或者target不存在的话,那么,make就会执行后续定义的命令。 make会在当前目录下找...
https://www.tsingfun.com/it/cp... 

Makefile经典教程(入门必备) - C/C++ - 清泛网 - 专注IT技能提升

...,他只管执行所定义的命令。make会比较targets文件和prerequisites文件的修改日期,如果prerequisites文件的日期要比targets文件的日期要新,或者target不存在的话,那么,make就会执行后续定义的命令。 make会在当前目录下找...
https://www.tsingfun.com/it/cp... 

Makefile经典教程(入门必备) - C/C++ - 清泛网 - 专注IT技能提升

...,他只管执行所定义的命令。make会比较targets文件和prerequisites文件的修改日期,如果prerequisites文件的日期要比targets文件的日期要新,或者target不存在的话,那么,make就会执行后续定义的命令。 make会在当前目录下找...