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摘要: https://www.quora.com/How-can-bin-true-and-bin-false-Linux-utilities-be-used MySQL :: MySQL 8.0 Reference Manual :: 2.9.2 Installing MySQL Using a Sta 阅读全文
posted @ 2018-12-21 16:07 papering 阅读(301) 评论(0) 推荐(0)
摘要: systemd.generator(7) - Linux manual page http://man7.org/linux/man-pages/man7/systemd.generator.7.html NAME top SYNOPSIS top DESCRIPTION top WRITING G 阅读全文
posted @ 2018-12-21 15:04 papering 阅读(515) 评论(0) 推荐(0)
摘要: mysqld --initialize --console mysqld --verbose --help 初始化密码 MySQL :: MySQL 8.0 Reference Manual :: 2.5.1 Installing MySQL on Linux Using the MySQL Yum 阅读全文
posted @ 2018-12-21 14:40 papering 阅读(1102) 评论(0) 推荐(0)
摘要: https://lucene.apache.org/solr/7_6_0//SYSTEM_REQUIREMENTS.html System Requirements Apache Solr runs on Java 8 or greater. It is also recommended to al 阅读全文
posted @ 2018-12-21 14:31 papering 阅读(235) 评论(0) 推荐(0)
摘要: interface作为struct field,谈谈golang结构体中的匿名接口 - Go语言中文网 - Golang中文社区 https://studygolang.com/articles/19729 the-way-to-go_ZH_CN/10.5.md at master · unknwo 阅读全文
posted @ 2018-12-21 09:32 papering 阅读(522) 评论(0) 推荐(0)
摘要: https://en.wikipedia.org/wiki/Chinese_remainder_theorem 中国剩余定理 https://en.wikipedia.org/wiki/RSA_(cryptosystem) The public key is (n = 3233, e = 17). 阅读全文
posted @ 2018-12-20 22:46 papering 阅读(440) 评论(0) 推荐(0)
摘要: https://en.wikipedia.org/wiki/Square-and-multiply_algorithm 阅读全文
posted @ 2018-12-20 22:44 papering 阅读(864) 评论(0) 推荐(0)
摘要: Modulo operation - Wikipedia https://en.wikipedia.org/wiki/Modulo_operation https://baike.baidu.com/item/取模运算/10739384?fr=aladdin 取模运算(“Modulo Operati 阅读全文
posted @ 2018-12-20 16:54 papering 阅读(546) 评论(0) 推荐(0)
摘要: https://docs.nginx.com/nginx/admin-guide/monitoring/logging/ error_log logs/error.log warn; error_log logs/error.log warn; In this case, messages of w 阅读全文
posted @ 2018-12-20 15:35 papering 阅读(577) 评论(0) 推荐(0)
摘要: fork(2): create child process - Linux man page https://linux.die.net/man/2/fork fork(2) - Linux man page Name fork - create a child process Synopsis # 阅读全文
posted @ 2018-12-20 09:17 papering 阅读(601) 评论(0) 推荐(0)
摘要: https://en.wikipedia.org/wiki/Fundamental_theorem_of_arithmetic In number theory, the fundamental theorem of arithmetic, also called the unique factor 阅读全文
posted @ 2018-12-19 23:14 papering 阅读(400) 评论(0) 推荐(0)
摘要: Go 每日一库之 wire - SegmentFault 思否 https://segmentfault.com/a/1190000021895220 这个InitMission()函数是不是和我们在main.go中编写的代码一毛一样!接下来,我们可以直接在main.go调用InitMission( 阅读全文
posted @ 2018-12-19 20:22 papering 阅读(471) 评论(0) 推荐(0)
摘要: https://github.com/google/leveldb https://axlgrep.github.io/ LevelDB作为一个数据存储引擎,存储的数据大部分是在磁盘上的,而磁盘上数据的表现形式就是文件,也就是本章要介绍的SST文件,SSTable 是 Sorted String T 阅读全文
posted @ 2018-12-19 17:44 papering 阅读(577) 评论(0) 推荐(0)
摘要: MySQL Bugs: #34354: Feature request: EXPLAIN ALTER TABLE https://bugs.mysql.com/bug.php?id=34354 [SQL]EXPLAIN ALTER TABLE `answer` MODIFY COLUMN `cont 阅读全文
posted @ 2018-12-19 17:01 papering 阅读(329) 评论(0) 推荐(0)
摘要: EXPLAIN SELECT COUNT(1) FROM question; id select_type table partitions type possible_keys key key_len ref rows filtered Extra1 SIMPLE question index u 阅读全文
posted @ 2018-12-19 16:29 papering 阅读(365) 评论(0) 推荐(0)
摘要: ALTER TABLE `question` MODIFY COLUMN `title` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '修改字符集为utf8mb4,兼容表情符' AFTER 阅读全文
posted @ 2018-12-19 16:26 papering 阅读(1237) 评论(0) 推荐(0)
摘要: PHP: Thread-Safe Resource Manager - Manual http://php.net/manual/en/internals2.memory.tsrm.php PHP 进阶之路 - 揭开 PHP 线程安全的神秘面纱 - 周梦康 - SegmentFault 思否 htt 阅读全文
posted @ 2018-12-18 20:33 papering 阅读(301) 评论(0) 推荐(0)
摘要: 批提交mysql 单线程的批提交 nohup python fromRedisoToMysqlSingleThreadOneConnBatchInsert.py 100 10.24.192.192 > 100-Single.3434.nohup [QPS] 平均每秒SQL语句执行次数 [QPS] 平 阅读全文
posted @ 2018-12-18 16:32 papering 阅读(502) 评论(0) 推荐(0)
摘要: Cursor Objects — PyMySQL 0.7.2 documentation https://pymysql.readthedocs.io/en/latest/modules/cursors.html#pymysql.cursors.Cursor.executemany executem 阅读全文
posted @ 2018-12-18 15:10 papering 阅读(1480) 评论(0) 推荐(0)
摘要: todo 阅读全文
posted @ 2018-12-18 14:41 papering 阅读(246) 评论(0) 推荐(0)
摘要: from ProjectUtil.usingModuleTOMODIFY import getNow from pymongo import MongoClient # mongo key host, username, password = '10.14.14.12', 'ain', 'ad' uri = "mongodb://%s:%s@%s" % (username, passwor... 阅读全文
posted @ 2018-12-18 09:59 papering 阅读(204) 评论(0) 推荐(0)
摘要: 啊 阅读全文
posted @ 2018-12-17 21:20 papering 阅读(228) 评论(0) 推荐(0)
摘要: paper-CaiPan.pdf http://conferences.sigcomm.org/sigcomm/2005/paper-CaiPan.pdf 阅读全文
posted @ 2018-12-17 16:43 papering 阅读(244) 评论(0) 推荐(0)
摘要: 亿级别G级别文本数据去重 文件总行数 字节数 去重后行数 [root@d mongoexport]# wc -l superpub-ask-question.csv126530681 superpub-ask-question.csv[root@d mongoexport]# awk '!a[$0] 阅读全文
posted @ 2018-12-17 16:19 papering 阅读(791) 评论(0) 推荐(0)
摘要: Java使用极小的内存完成对超大数据的去重计数,用于实时计算中统计UV – lxw的大数据田地 http://lxw1234.com/archives/2015/09/516.htm Java使用极小的内存完成对超大数据的去重计数,用于实时计算中统计UV 编程语言 lxw1234@qq.com 3年 阅读全文
posted @ 2018-12-17 15:49 papering 阅读(2676) 评论(0) 推荐(0)
摘要: win7怎么快速查找大文件_百度经验 https://jingyan.baidu.com/article/acf728fd299ffff8e510a333.html 阅读全文
posted @ 2018-12-17 11:55 papering 阅读(340) 评论(0) 推荐(0)
摘要: Rsapaper.pdf http://people.csail.mit.edu/rivest/Rsapaper.pdf 【概述Abstract 1、将字符串按照双方约定的规则转化为小于n的正整数m,可能分为多段,这不是关键; 2、加密过程同解密过程,都是取明/密文的public/private次方 阅读全文
posted @ 2018-12-17 11:11 papering 阅读(1150) 评论(0) 推荐(0)
摘要: oltp olap 阅读全文
posted @ 2018-12-15 22:46 papering 阅读(199) 评论(0) 推荐(0)
摘要: Apache Tomcat 7 Configuration Reference (7.0.92) - The HTTP Connector https://tomcat.apache.org/tomcat-7.0-doc/config/http.html#Standard_Implementatio 阅读全文
posted @ 2018-12-15 12:55 papering 阅读(1015) 评论(0) 推荐(0)
摘要: [root@f java]# tail -30 nohup.outsearchES-TimeMillisSpent:448P->1602@fT->http-nio-8080-exec-3t->池州小型柴油机移动泵哪家好kw->柴油机移动泵kws->柴油机移动泵,柴油机水泵机组,自吸柴油机泵searc 阅读全文
posted @ 2018-12-15 12:47 papering 阅读(3615) 评论(0) 推荐(0)
摘要: java 获取当前进程id 线程id RuntimeMXBean (Java Platform SE 8 ) https://docs.oracle.com/javase/8/docs/api/java/lang/management/RuntimeMXBean.html 阅读全文
posted @ 2018-12-15 12:10 papering 阅读(3051) 评论(0) 推荐(0)
摘要: Linux操作系统中打开文件数量的查看方法 - 心灵捕手 - 博客园 https://www.cnblogs.com/Dennis-mi/articles/6084581.html ulimit -n 4096 也就是限制用户的最大文件打开数为4096个 在网上查了关于怎么查看文件打开数的文章大致有 阅读全文
posted @ 2018-12-15 12:04 papering 阅读(16374) 评论(0) 推荐(0)
摘要: [root@f ~]# cat /mnt/gateway/java/nohup.out -n | tail -30 1060236 at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) ~[na:1.8.0_144]1060237 阅读全文
posted @ 2018-12-15 11:44 papering 阅读(640) 评论(0) 推荐(0)
摘要: import randoml = [2, 56, 6678, 88, 6, 43]num = 2sub = random.sample(l, 2)随机采样 算法 阅读全文
posted @ 2018-12-14 09:16 papering 阅读(173) 评论(0) 推荐(0)
摘要: Spring Boot Building RESTful Web Services https://www.tutorialspoint.com/spring_boot/spring_boot_building_restful_web_services.htm Spring Boot provide 阅读全文
posted @ 2018-12-13 17:44 papering 阅读(360) 评论(0) 推荐(0)
摘要: 您好,python的请求es的http库是urllib3, 一个请求到贵司的es节点,想了解下,中间有哪些网关啊?冒昧推测,贵司的部分公共网关与python-urllib3的对接存在异常? 负载均衡(Server Load Balancer) 阅读全文
posted @ 2018-12-13 16:30 papering 阅读(313) 评论(0) 推荐(0)
摘要: 运行状态:锁定中(实例空间满自动锁) 阅读全文
posted @ 2018-12-13 15:29 papering 阅读(427) 评论(0) 推荐(0)
摘要: 。。。。。。不带http https : 不报错 先telnet http://onf:8080/getES653/道路桥梁正在“理疗”%20这14条道路纳入市政中修 阅读全文
posted @ 2018-12-13 15:07 papering 阅读(431) 评论(0) 推荐(0)
摘要: 0.0.0.0/24 0.0.0.0/0 阅读全文
posted @ 2018-12-13 13:56 papering 阅读(914) 评论(0) 推荐(0)
摘要: https://help.maximumasp.com/KB/a445/connectivity-testing-with-ping-telnet-tracert-and-pathping-.aspx What are Traceroute, Ping, Telnet and Nslookup co 阅读全文
posted @ 2018-12-13 12:07 papering 阅读(253) 评论(0) 推荐(0)
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