because精品文章

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  nacos啟動遇到的錯誤，日志報錯because dumpservice bean construc

  ...com.alibaba.nacos.api.exception.NacosException: Nacos Server did not start because dumpservice bean construction failure :No DataSource set at com.alibaba.nacos.config.server.service.dump.DumpServi...

  AndroidTraveler 2021-11-19 09:40 評論0 收藏0
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  Easier Way to Understand apply and call in JS

  ...n max. So, code above equal Math.max(1, 2, 3, 4) Why would I mention this? Because we dont need this anymore because we already have ... which works like: Math.max(...[1, 2, 3, 4]) The reason that ...

  Wildcard 2019-08-23 13:55 評論0 收藏0
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  String字符串常用方法;

  ... string which needs + to wrap across multiple lines because + otherwise my code is unreadable.; console.log(longString); => This is a very long string wh...

  Corwien 2019-08-21 17:42 評論0 收藏0
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  Why is ++[[]][+[]]+[+[]] = “10”?

  ...refore, we can simplify it (++ has precendence over +): ++[[]][0] + [0] Because [[]][0] means: get the first element from [[]], it is true that: [[]][0] returns the inner array ([]). Due to r...

  chnmagnus 2019-08-21 10:18 評論0 收藏0
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  JDK1.8的HashMap部分源碼解析

  ...es key.hashCode() and spreads (XORs) higher bits of hash * to lower. Because the table uses power-of-two masking, sets of * hashes that vary only in bits above the current mask will ...

  DandJ 2019-08-16 17:37 評論0 收藏0
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  Javascript anonymous functions

  ... are dynamically declared at runtime. They’re called anonymous functions because they aren’t given a name in the same way as normal functions. Anonymous functions are declared using the functi...

  劉福 2019-08-21 10:22 評論0 收藏0
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  Day 4:Persistent Bugger

  ...num until you reach a single digit. For example: persistence(39) => 3 # Because 3*9 = 27, 2*7 = 14, 1*4=4 # and 4 has only one digit. persistence(999) => 4 # Because 9*9*...

  liujs 2019-07-30 16:24 評論0 收藏0
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  從數組中尋找和的相加數

  ...e same element twice. example 1 Given nums = [2, 7, 11, 15], target = 9, Because nums[0] + nums[1] = 2 + 7 = 9, return [0, 1]. example 2 Given nums = [0,4,3,0], target = 0, Because nums[0] + num...

  Astrian 2019-07-25 12:05 評論0 收藏0
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  Awe JavaScript [1] 基本概念

  ...+0 結果為 -0；-0 減 +0 結果為 +0。 var result1 = 5 - true; //4 because true is converted to 1 var result2 = NaN - 1; //NaN var result3 = 5 - 3; //2 var result4 = 5 - ; //5 because is conv...

  CloudwiseAPM 2019-08-20 17:39 評論0 收藏0