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Tags: size div force other [1] EOF desc DFT andDescription\ (n\) a ball, each group of one or two adjacent to two, to be divided into \ (k\) group scheme number. \ (N\leqslant 10^9,kSolutionDp+fnt. Transfer \ (f[i][j]=f[i-1][j]+f[i-1][j-1]+f[i-2][j-1]\) This is not very good maintenance ... Can be seen as a polynomial to do ... But I don't really ... There is also a transfer is binary to do, the previous section for \ (x\), the latter section for \ (y\), \ (x+y=i\). If it happens to be separated
This question is simple at the beginning. It is nothing more than converting a string of characters into a phone number separated, then, output the number that appears more than once in alphabetical ascending order. However, this operation will time
487-3279 Businesses like to have memorable telephone numbers. one way to make a telephone number memorable is to have it spell a memorable word or phrase. for example, you can call the University of Waterloo by dialing the memorable tut-
Question Businesses like to have memorable telephone numbers. one way to make a telephone number memorable is to have it spell a memorable word or phrase. for example, you can call the University of Waterloo by dialing the memorable tut-glop.
Printname () {System.out.println ( this .getname ()); }} Package Com.pichen.dp.creationalpattern.factorymethod; Public class extends father{ public americanfather (String name) { this. SetName (Name ); } @Override publicvoid printname () { System.out.println (this this. GetName ());} }"Product user" write a main function, call the specific factory class to produce specific products: package Com.pichen.dp.creationalpattern.factorymethod; public class Mai
mysql| Script | Automatic installation After a few days of testing, finally can be released! 1. Under the MySQL source code directory to create a new script install.sh, add the following code to this script: #!/bin/bash####################################################### title:mysql 4.1 Cluster Installation Script version:1.0 # date:2004-11-11 # author:yipsilon # email:yipsilon@163.com # license:general Public License (GPL) the Copyright (c), Yipsilon all Rights Reserved ###################
directory '/USR/LOCAL/SRC/MHVTL-1.4/USR 'MAKE[1]: Leaving directory '/usr/local/src/mhvtl-1.4 'Make-c usr install/usr/lib/usrMAKE[1]: Entering directory '/USR/LOCAL/SRC/MHVTL-1.4/USR 'Install-d-M 755/usr/lib64Install-o root-g bin-m 755 libvtlscsi.so/usr/lib64/Install-o root-g bin-m 755 libvtlcart.so/usr/lib64/Install-d-M 755
Statement This article is based on CentOS 6.x + CDH 5.x HTTPFS, what's the use of HTTPFS to do these two things? With Httpfs you can manage files on HDFs in your browser HTTPFS also provides a set of restful APIs that can be used to manage HDFs It's a very simple thing, but it's very practical. Install HTTPFS in the cluster to find a machine that can access HDFs installation Httpfs$ sudo yum install Hadoop-httpfsConfiguration Editor/etc/hadoop/conf/core-site.xmlTh
and log file for the Qmail service: Mkdir-P/var/Qmail/supervise/Qmail-send/log Mkdir-P/var/Qmail/supervise/Qmail-smtpd/log Mkdir-P/var/Qmail/supervise/qmail-pop3d/log Mkdir-P/var/Qmail/supervise/qmail-pop3ds/log CP/home/PKG/toaster-scripts-0.7/send. Run/var/Qmail/supervise/Qmail-send/run CP/home/PKG/toaster-scripts-0.7/send. log. Run/var/Qmail/supervise/Qmail-send/log/run CP/home/PKG/toaster-scripts-0.7/smtpd. Run/var/Qmail/supervise/Qmail-smtpd/run CP/home/PKG/toaster-scripts-0.7/smtpd. log. R
; In the example above, Mystore is the database name of the repository, OpenCart is the username, and [email protected]$ $w 0rD is the password.Now you need to move the files that are located in the uploads directory to your Web root directory. For example, if you want your OpenCart installation to be located in https://www.bwgcode.com/, your document root may look like/srv/www/example.com/public_html.Next, you need to make sure that OpenCart has access to specific folders and files.
This section mainly discusses the mathematical related shell script programming. Addition operations Create a new file "addition.sh", enter the following and give it executable permissions. Copy Code code as follows: #!/bin/bash echo "Enter the" number: " Read a echo "Enter The Second Number:" Read B x=$ (expr "$a" + "$b") echo $a + $b = $x Output results: Copy Code code as follows: [Root@tecmint ~]# VI additions.sh [Root@tecmint ~]# chmod
filesChattr + a. bash_history # avoid deleting. bash_history or redirecting to/dev/nullChattr + I. bash_historyChmod 700/usr/bin restore chmod 555/usr/binChmod 700/bin/ping restore chmod 4755/bin/pingChmod 700/usr/bin/vim restore chmod 755/usr/bin/vimChmod 700/bin/netstat resume chmod 755/bin/netstatChmod 700/usr/bin/tail restore chmod 755/usr/bin/tailChmod 700/
can add or delete users. After the operation, lock the directory file.5. Restrict the permissions of different filesChattr + a. bash_history # avoid deleting. bash_history or redirecting to/dev/nullChattr + I. bash_historyChmod 700/usr/bin restore chmod 555/usr/binChmod 700/bin/ping restore chmod 4755/bin/pingChmod 700/usr/bin/vim restore chmod 755/usr/bin/vimChmod 700/bin/netstat resume chmod 755/bin/nets
redirect to/dev/nullchattr + I. bash_historychmod 700/usr/bin recover chmod 555/usr/binchmod 700/bin/ping recover chmod 4755/bin/pingchmod 700/usr/bin/vim recover chmod 755/usr/bin/ vimchmod 700/bin/netstat recover chmod 755/bin/netstatchmod 700/usr/bin/tail recover chmod 755/usr/bin/tailchmod 700/usr/bin/less recover chmod
perform the above permissions modification, you cannot add a delete user.If you want to add a delete user, you need to first cancel the above settings, and so on after the user adds the delete completes, then performs the above actionChattr-i/etc/passwd #取消权限锁定设置Chattr-i/etc/shadowChattr-i/etc/groupChattr-i/etc/gshadowChattr-i/etc/services #取消系统服务端口列表文件加锁You can now add and delete users, and then lock the catalog files after you have finished the operation.v. Restricting permissions for differe
件的属性Note: After you perform the above permissions modification, you cannot add a delete user.If you want to add a delete user, you need to first cancel the above settings, and so on after the user adds the delete completes, then performs the above actionChattr-i/etc/passwd #取消权限锁定设置Chattr-i/etc/shadowChattr-i/etc/groupChattr-i/etc/gshadowChattr-i/etc/services #取消系统服务端口列表文件加锁You can now add and delete users, and then lock the catalog files after you have finished the operation.v. Restricting perm
/ping Recovery chmod 4755/bin/pingchmod 700/usr/bin/vim Recovery chmod 755/usr/bin/vimchmod 700/bin/netstat Recovery chmod 755/bin/netstatchmod 700/usr/bin/tail Recovery chmod 755/usr/bin/tailchmod 700/usr/bin/less Recovery chmod 755/usr/bin/lesschmod 700/usr/bin/head Recovery chmod
/nullChattr +i. bash_historychmod 700/usr/bin Recovery chmod 555/usr/binchmod 700/bin/ping Recovery chmod 4755/bin/pingchmod 700/usr/bin/vim Recovery chmod 755/usr/bin/vimchmod 700/bin/netstat Recovery chmod 755/bin/netstatchmod 700/usr/bin/tail Recovery chmod 755/usr/bin/tailchmod 700/usr/bin/less Recovery chmod 755/u
/shadowChattr +i/etc/groupChattr +i/etc/gshadowChattr +i/etc/services #给系统服务端口列表文件加锁 to prevent unauthorized deletion or addition of servicesLsattr/etc/passwd/etc/shadow/etc/group/etc/gshadow/etc/services #显示文件的属性Note: After you perform the above permissions modification, you cannot add a delete user.If you want to add a delete user, you need to first cancel the above settings, and so on after the user adds the delete completes, then performs the above actionChattr-i/etc/passwd #取消权限锁定设置Chattr-i
/* #恢复默认设置Iv. add an immutable attribute to the following file to prevent unauthorized users from gaining accessChattr +i/etc/passwdChattr +i/etc/shadowChattr +i/etc/groupChattr +i/etc/gshadowChattr +i/etc/services #给系统服务端口列表文件加锁 to prevent unauthorized deletion or addition of servicesLsattr/etc/passwd/etc/shadow/etc/group/etc/gshadow/etc/services #显示文件的属性Note: After you perform the above permissions modification, you cannot add a delete user.If you want to add a delete user, you need to first c
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