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Find if all numbers appear an even number of times
package _interview_question /** * Given a list/array of integers, return a boolean that states whether all numbers appear an even number of times. Exa ...
分类:移动开发   时间:2020-05-29 13:33:33    阅读次数:69
hive 查询数据表头不显示的解决办法(已验证)
hive安装包conf/hive-site.xml 增加如下配置: <property> <name>hive.cli.print.header</name> <value>true</value> <description>Whether to print the names of the col ...
分类:其他好文   时间:2020-05-17 16:17:36    阅读次数:97
Function prototype in C programming
Function prototype in C programming: Importance Function prototype in C is used by the compiler to ensure whether the function call matches the return ...
分类:其他好文   时间:2020-05-16 00:28:14    阅读次数:61
[Algo] 306. Check If Linked List Is Palindrome
Given a linked list, check whether it is a palindrome. Examples: Input: 1 -> 2 -> 3 -> 2 -> 1 -> null output: true. Input: 1 -> 2 -> 3 -> null output: ...
分类:其他好文   时间:2020-04-26 09:15:19    阅读次数:66
对称二叉树
Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree [1,2,2,3,4,4,3] is symmet ...
分类:其他好文   时间:2020-04-22 09:28:17    阅读次数:63
693. Binary Number with Alternating Bits
Problem : Given a positive integer, check whether it has alternating bits: namely, if two adjacent bits will always have different values. Example 1: ...
分类:其他好文   时间:2020-04-18 22:43:40    阅读次数:74
paho.mqtt.golang--option.go 源码解析
broker: 指 mqtt 服务器 package mqtt import ( "crypto/tls" "net/http" "net/url" "regexp" "strings" "time" ) // 允许在重新连接之前更新用户名和密码。函数应该返回当前的用户名和密码。 type Cred ...
分类:其他好文   时间:2020-04-04 11:31:33    阅读次数:71
POJ3349 Snowflake Snow Snowflakes(Hash)
You may have heard that no two snowflakes are alike. Your task is to write a program to determine whether this is really true. Your program will read ...
分类:其他好文   时间:2020-04-03 00:53:51    阅读次数:78
PHP 7.4.x中mbstring的正则表达式功能需要oniguruma。解决错误“No package 'oniguruma' found”。
一、环境: CentOS 7.7.1908 PHP 7.4.2 Oniguruma 6.9.4二、问题: 安装PHP 7.4.x过程中出现如下错误信息: …………………… checking whether to enable multibyte string support... yes check ...
分类:Web程序   时间:2020-04-01 12:36:11    阅读次数:857
Leetcode 220. 存在重复元素 III (Contains Duplicate III)
题目 Given an array of integers, find out whether there are two distinct indices i and j in the array such that the absolute difference between and is a ...
分类:其他好文   时间:2020-03-31 01:13:11    阅读次数:88
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