解决问题-》有的放矢 1.spark 报错 Initial job has not accepted any resources; check your cluster UI to ensure that workers are registered and have sufficient reso ...
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2021-04-19 15:56:23
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<dependency> <groupId>org.elasticsearch</groupId> <artifactId>elasticsearch</artifactId> <version>${es.version}</version> </dependency> <dependency> < ...
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编程语言 时间:
2021-04-19 15:11:01
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数组 1、数组中的数据类型是一致的; 2、数组元素在内存中是连续的; 3、数组中每个元素占用空间大小是相同的(length); 4、数组元素存放的是数据的地址的值。 5、查找数组中第i个元素,首个元素的地址address + (i * length),时间复杂度为O(1); 特点: 1、大小固定 2 ...
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编程语言 时间:
2021-04-15 12:32:35
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You have a card deck of n cards, numbered from top to bottom, i. e. the top card has index 1and bottom card — index n. Each card has its color: the 𝑖 ...
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2021-04-15 12:03:00
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打开/etc/mysql/mysql.cnf 找到bind-address= 127.0.0.1 把它改成 bind-address= 0.0.0.0 (mysql5.7.24版本,配置文件目录是:/etc/mysql/mysql.conf.d/mysqld.cnf) 命令:service mysq ...
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数据库 时间:
2021-04-14 11:58:38
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题目描述 A group of people are standing in a line. Each person has a distinct height. You would like to count the number of unordered pairs of people in t ...
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2021-04-13 12:06:43
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题目来源 Full Binary Tree Description In computer science,a binary tree is a tree data structure in which each node has at most two children. Consider an ...
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2021-04-13 12:02:15
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参考---https://blog.csdn.net/q95548854/article/details/90672045 ...
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2021-04-12 12:50:28
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Description: Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers in each row ...
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2021-04-12 12:32:28
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Alex and Lee play a game with piles of stones. There are an even number of piles arranged in a row, and each pile has a positive integer number of sto ...
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其他好文 时间:
2021-04-10 13:23:44
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