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Redis cache hit rateUse info command in redis-cli or How to calculate the rate ? official do...
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TCF Resume
剛考了B1，趁著還有些許記憶，記錄下考試題目 A.聽力看圖 情侶買花題 爸爸看孩子跳房子題（和孩子說了啥）空白題 問路題（ou）長對話 Rodi...
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MongoDB Geospatial Queries
search in a circular region 注意：$centerSphere‘s second argument accepts t...
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MongoDB ISODate Breakdown
How to breakdown the ISODate, and just query the fuzzy hour range.For ex...
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mongoDB $out (aggregation)
Takes the documents returned by the aggregation pipeline and writes them...
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MongoDB EnginesMongoDB 3.0 added wiredTiger engine, it is recommend using ,here is the ...
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php DateTime usage
use DateTime to get different timezone date. php > $date = new DateTime(...
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Vim command tips
vimgrep How to search files in fatest way? Recursive searchEdit You can ...
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Symfony Principle
Symfony: Build your App, not your Tools?You now know that the goal of an...