02 2021 档案
摘要:Modern technology has greatly influenced people's ways of entertainment, making people less creative. Do you agree or disagree? Entertainment has unde
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摘要:Some people think science contributes more to society; others believe subjects such as language or business make a bigger contribution. What's your op
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摘要:Newspaper, radio, television and computer each has its merits and drawbacks. What is the most efficient means of acquiring information? Give your reas
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摘要:The reason why some families don't buy television set is that the parents want their children to spend more time on creative thinking or even inventio
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摘要:Intelligent robots will be more widely used in the future. Is this a blessing or a curse? What is your opinion? Robots in science fictions and movies
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摘要:Scientific and technological advances bring benefits to our daily life. However, most scientists are no longer able to find the solutions to the probl
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摘要:People who do not know how to use computer will become more and more disadvantaged. State the disadvantages and what action government should take. It
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摘要:Television is dangerous because it destroys the family tie and community spirit. It is said by some that television absorbs so much of people's time t
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摘要:Some people say that the age of books has passed; Information can be accessed via videos, computers. television, films and so forth. Other people thin
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摘要:Nowadays people can use computers to talk, learn and communicate without leaving home. There is a danger that it will cause more isolation and a lack
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摘要:Some people think that machine translation is highly developed in today's society. Therefore it is not necessary for children to learn a foreign langu
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摘要:As science and technology contribute most to the development of society, science students should get more financial support from government than stude
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摘要:The world of work is changing rapidly. People today no longer take one job for life. Discuss the causes of these changes. What suggestions would you m
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摘要:In most parts of the world, the volume of traffic is growing at an alarming rate. Discuss the main traffic problems in your country, their causes and
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摘要:Some people think the Olympic Games will no longer play an important role in the 21st century. and the 2004 game should be the last one. Do you agree
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摘要:Traditional food is undergoing great changes and being replaced by new diets. What do you think are the reasons and what do you think about this pheno
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摘要:Some people think that people will forget their own tradition and history because they no longer wear their traditional costumes. Do you agree or disa
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摘要:The culture of different countries are becoming increasingly similar, so there is no point for people to go traveling abroad for they could have the s
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摘要:Some people think that children should learn to compete, but others think that children should be taught to co-operate so that they could become more
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摘要:Universities should accept equal numbers of male and female students in every subject. Do you agree or disagree? Since the feminist movement, females
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摘要:Nowadays computers are widely used in education. As a result, some people think teachers no longer play important roles in classrooms. To what extent
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摘要:What is it in the mass media that has negative effects on teenagers and what measures should governments take to solve this problem? The 20th century
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摘要:Should government pay for medical care and education? Why? State officials and general public have been for years pondering the pros and cons of relyi
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摘要:What are the main tasks of universities: to offer students knowledge and skills essential for their future career, or to provide students with access
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摘要:In the past, people spent their entire lives doing one job. But nowadays, they change their jobs frequently. Please give the reasons and your suggesti
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摘要:1. 香格里拉 2. 九寨沟 3. 西双版纳 4. 阳朔 5. 西湖 6. 洱海 7. 稻城 8. xxx源 9. 伊犁 10. 扎龙 11. 大兴安岭 12. 卧龙 13. 呼伦贝尔草原 14. 黄果树瀑布 15. 壶口瀑布 16. 鸣沙山 17. 乌尔禾魔鬼城 18. 石林 19. 泰山 20.
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摘要:1. 落基山脉 北美洲西部 2. 塞伦盖蒂草原 非洲东部,肯尼亚河坦桑尼亚之间 3. 乞力马扎罗 非洲,坦桑尼亚河肯尼亚便捷的坦桑尼亚一侧 4. 美国大平原 5. 加拉帕戈斯 6. 挪威峡湾 7. 新西兰北岛 8. 北海道 9. 潘帕斯草原 10. 哥斯达黎加 11. 夏威夷 12. 英格兰湖区 1
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摘要:Building the Data Warehouse Using the Data Warehouse Building a Scalable Data Warehouse with Data Vault 2.0 Building the Operational Data Store, 2nd E
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摘要:聪明的投资者 (原本第4版) Financial Freedom (Chinese Edition)财富自由之路 小狗钱钱全彩漫画版(套装共3册) 跟钱钱学理财 财务自由之路(全三册) 钱的外遇 邻家的百万富翁 聪明的投资者 安全边际现代价值投资的安全边际:为慎思的投资者而作的25个避险策略和工具[
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摘要:要点整理于 Building the Data Warehouse 4th Edition 1. 数据的粒度 最好是两层,一层保留最细粒度的数据,一层保留粗粒度的数据 2. 数据分区 3. Integration 1) 域值 2)单位 3)字段mapping 4. 5种方法增量写入 1)标记时间戳
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摘要:1. 确定系统是32位还是64位 1) [echo0282@instance-1 ~]$ uname -a Linux instance-1 3.10.0-1127.13.1.el7.x86_64 #1 SMP Tue Jun 23 15:46:38 UTC 2020 x86_64 x86_64 x
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摘要:whereis python cd /usr/bin ll python* 1. 安装依赖 yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc
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摘要:pip -V python3 -m pip install --upgrade --force pip pip -V WARNING: The scripts pip, pip3 and pip3.8 are installed in '/usr/local/python3/bin' which i
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摘要:Install p7zip on CentOS: sudo yum install epel-release Install the p7zip package: sudo yum install p7zip extract file with x argument: 7za x file.7z e
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摘要:1. 删除已安装的MySQL 检查并删除MariaDB(可以不删,yum方式安装会自动覆盖已存在的mariadb) rpm -qa | grep mariadb rpm -e --nodeps mariadb-server rpm -e --nodeps mariadb rpm -e --nodep
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摘要:reference: https://zhuanlan.zhihu.com/p/75891315 之前我说过,在Windows 的.Net平台下,做很多开发还是很舒服的。但是SQL Server 是个例外。安装 SQL Server就是个很困难的事情,中间步骤有很多术语都不明白微软是怎么搞的。好在,
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摘要:scp source/filename [username]@[host]: destination scp 报错 not a regular file 解决方法 :加上-r选项 scp -r wift* 10.160.9.202:/srv/backup/ 原因 : 要拷贝的是文件夹
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摘要:sudo keytool -genkey -alias tomcat -keyalg RSA -keystore /etc/tomcat8/keystore sudo vi /etc/tomcat8/server.xml find and uncomment lines with SSL add s
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摘要:Fatal error in launcher: Unable to create process using '"d:\app\python\python37\python.exe" "E:\app\Python\Python37\Scripts\pip.exe" list' C:\Users\J
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摘要:参考 : https://stackoverflow.com/questions/23933481/db2-data-import-into-hadoop sqoop import --driver com.ibm.db2.jcc.DB2Driver --connect jdbc:db2://db2
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摘要:reference: https://blog.csdn.net/huaishuming/article/details/74762652法一:SELECT * from jc_archives where senddate>UNIX_TIMESTAMP('2014-9-1' ) into outf
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摘要:reference: https://unix.stackexchange.com/questions/182537/write-python-stdout-to-file-immediately 立即输出print内容到文件 $ export PYTHONUNBUFFERED=1 $ ./mysc
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摘要:update fund_nav set nav_chg_rate=left(nav_chg_rate, length(nav_chg_rate)-1) where right(nav_chg_rate, 1) != '%' and nav_chg_rate != ' 0000' Error Code
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摘要:select uc.table_name, uc.r_constraint_name, ucc.table_name, listagg(ucc.column_name, ',') within group (order by ucc.column_name) over (partition by u
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摘要:直接用19c导出的dmp文件导入到12c,报错: ORA-39002: invalid operation ORA-39358: Export dump file version 19.0.0.0.0 not compatible with target version 12.2.0 解决方法: 重
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摘要:reference: https://blog.csdn.net/dandandeshangni/article/details/485442211. 在运行/调试 配置对话框的Startup/Connection面板中,勾选Pass environment variables.并添加一个envir
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摘要:C:\Users\Jilil>mysql -u root -pEnter password: *************ERROR 1040 (HY000): Too many connectionsC:\Users\Jilil>C:\Users\Jilil>java.sql.SQLNonTrans
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摘要:reference: https://webgeest.blogspot.com/2015/07/ora-39083-ora-02304-on-impdp-datapump.html 解决方法: 添加选项 TRANSFORM=ODI:N:TYPE or TRANSFORM=ODI:N 我之前还辛苦的
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摘要:oracle 在杀会话时,会出现杀不掉的情况。 原因是在回滚大事物 解决方法: alter system disconnect session 'sid, serial#' immediate; or alter system disconnect session 'sid, serial#' po
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摘要:reference: https://www.akadia.com/services/ora_optimize_undo.html#:~:text=Turning%20on%20automatic%20undo%20management,tablespace%20and%20set%20UNDO_M
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摘要:su - oracle sqlplus /nolog conn / as sysdba select * from v$flash_recovery_area_usage; select sum(percent_space_used)*3/100 from v$flash_recovery_area
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摘要:Reference: https://cloudlinux.zendesk.com/hc/en-us/articles/115004075294-Fix-rpmdb-Thread-died-in-Berkeley-DB-library[installadmin@dnafexpapp003 ~]$ y
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摘要:reference:https://www.cnblogs.com/XQiu/p/5212787.html--以下几个为相关表SELECT * FROM v$lock;SELECT * FROM v$sqlarea;SELECT * FROM v$session;SELECT * FROM v$pr
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摘要:Reference: https://stackoverflow.com/questions/35037288/incorrect-decimal-integer-value-mysql Error Code: 1366. Incorrect DECIMAL value: '0' for colum
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摘要:Reference:https://stackoverflow.com/questions/11448068/mysql-error-code-1175-during-update-in-mysql-workbench Error Code: 1175. You are using safe upd
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摘要:netsh wlan show profile name="WIFINAME-Test" key=clear C:\windows\system32> C:\windows\system32>netsh wlan show profile name="WIFINAME-Test" key=clear
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摘要:oracle ORA-01114 IO error writing block to file 207 (block # ) Reference: https://stackoverflow.com/questions/20961832/ora-01114-io-error-writing-bloc
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摘要:centos 修改系统时间 [echo0282@instance-1 ~]$ sudo timedatectl set-timezone Asia/Shanghai timedatefctl list-timezone | grep Asia
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摘要:sudo apt-get install tomcat8-admin tomcat8-docs tomcat8-examplessudo vi /etc/tomcat8/tomcat-users.xmladd line: <user username="admin" password="passwo
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摘要:Reference: https://stackoverflow.com/questions/38986910/intellij-idea-address-localhost1099-is-already-in-use Solution: netstat -aon | find "1099" tas
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摘要:Error: javax.servlet.ServletException: java.sql.SQLSyntaxErrorException: Expression #4 of SELECT list is not in GROUP BY clause and contains nonaggreg
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摘要:reference: https://asktom.oracle.com/pls/apex/asktom.search?tag=getting-ora-31626-job-does-not-exist-and-ora-06512-from-my-export-data-pump-joboracle
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摘要:startup nomount选项启动实例,但不安装 数据库。当数据库以这个模式启动时,参数文件被读取;后台进程和内存结构被启动;但它们不被附加或与数据库的磁盘结构进行通信。当实例处于这个状态时startup nomount选项:(读初始化参数文件,启动实例),数据库是不可使用的。通常启动到这里可以
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摘要:第一步,找到磁盘 ll /dev/sd* ll /dev/vd* 第二步,查对应磁盘类型 cat /sys/block/sda/queue/rotational 结果: 返回0:SSD盘 返回1:SATA盘
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摘要:开启:sqlplus / as sysdbaarchive log list;shutdown immediate;startup mount;alter database archivelog;archive log list;alter database open;关闭:sqlplus / as
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摘要:vi del_arch.shexport ORACLE_SID=pdcsdbrman target / cmdfile=/home/oracle/scripts/del_arch.sql log=/home/oracle/scripts/rman_del_archivelog.log appendv
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摘要:select d.tablespace_name, space||'M' "SUM_SPACE(M")", blocks "SUM_BLOCKS", space - nvl(free_space, 0) || ‘M’ “USED_SPACE(M)", round((1-nvl(free_space,
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摘要:select * from v$locked_object; select * from v$session where sid in (select session_id from v$locked_objects); -- kill locked session select 'alter sy
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