Label:PL/SQL database character set (Al32utf8) and Client character set (ZHS16GBK) is differentThis is due to the installation of the Oracle client is not set to the character set caused, no big problem, do not affect the use, but still clean up a bit more cool. The workaround is simple.Start PL/SQL Developer character
Recently encountered an abnormal egg pain in the company, MySQL database, database and table of the character set are ' GBK ', but the character set of the column is ' Latin1 ', so the egg hurt things appear.Regardless of my connection string ' charset ' set to ' gbk ', ' utf8 ', ' latin1 ' any of the data in the query table is garbled, the query with the followi
Tags: find bee ima and alt red IDT share picture GateOriginal: http://www.configserverfirewall.com/ubuntu-linux/ubuntu-set-static-ip-address/-------------------------------------------------------------------------------------------------How to set the static IP address in Ubuntu Server 16.04It is really important to know what to configure static IP address on Ubuntu Server, Because It's almost impossible t
The relationship between the user table (User_set) and the E-mail table (email_set): Each user can have multiple different e-mail addresses, and for users, e-mail is a collection, which can be expressed in the user's entity class by defining the properties of a collection type.
Create two corresponding tables:
Email_set:
CREATE TABLE Email_set (
ID int (one) not NULL,
address varchar (+) NOT null
) Engine=innodb default charset= Gbk
User_set:
CREATE TABLE User_set (
ID int (one) not NULL auto_i
Set and E are translated as "settings", which is equivalent to "orders" in mathematics ".
For example, set X = 5 means X = 5.
Common use example of set:
1. set display environment variables:
For example, enter:
Set displays all current system environment variables.
Project set Management Research Center expert translation and review project set management standards
(Beijing, July 4, 2014) Program Management Research Center under the International Project Management Alliance) professor Yang Kan and Deputy Director Lin Yong attended the translation and reviewed the project set management standards (the standard for progra ma
SET-E # Exit The script if an error happensScript ASet +e # don ' t bail out of bash script if CCache doesn ' t existScript BSET-E # Back to regular ' bail out on error ' modeScript CAs a script shell above,The script in a and C executes when the return value is nonzero, and the entire script exits immediately.If a return value of non 0 appears in the script B, the following script C will continue to execute.Set-eThe-e parameter of the
The definition set interface of the set interface is also a sub-interface of the collection interface, but unlike the collection or list interface, duplicate elements cannot be added to the set interface.
The main method of the set interface is consistent with the collection
An instance of the
Tags: img cat tab Inter Col notation span _id throughI. Overview What is the 1.SET operator? To concatenate multiple queries into a new query with the SET operator Union/union all--and set intersect--intersection minus--difference Set (a\b=a the elements in B are removed) For MySQL, the interse
Original address: Http://docs.pythontab.com/python/python3.4/datastructures.html#tut-tuplesA collection is a set of unordered, non-repeating elements.Basic features include relationship testing and elimination of duplicate elements. The collection object also supports mathematical operations such as Union (union), intersection (intersection), Difference (poor), and sysmmetric difference (symmetric difference sets).Curly braces or
How to set your computer's password
Set the power-on password
In the "Start"-> "set"-> "Control Panel"-> "user account"-> "create" or click on your current user with the option to set a password.
Set screen protection passwo
When I log into MySQL in terminal, I report the following error: MySQL prompts you to be in/usr/share/mysql/charsets/. The index.xml file joins the missing encoding set, but I checked to see that there was a set of encodings I needed in the Index.xml file.
This link gives me an answer that works for me.
Character set ' Utf-8 ' is not a compiled Character
The Set collection container implements the data structure of the balanced binary search tree of the red and black tree (red-black trees), and when the element is inserted, it automatically adjusts the arrangement of the binary tree, placing the element in the appropriate position to ensure that the key value of each subtree node is greater than the key value of all nodes of the left subtree. and the key value of all the nodes of the small less right
Tags: replica set replica set for MongoDB cluster construction1. Environment:Open four MongoDB instances on a single server to implement the cluster setup of MongoDB's replica set replica set mode2. Configuration file:Master Master Instance configuration file:[Email protected] ~]# CAT/USR/LOCAL/MONGODB/MONGOD.CNFLogpat
Transferred from: https://www.cnblogs.com/jkred369/p/6731353.htmlThree scheduling strategies for the Linux kernel:1,sched_other time-sharing scheduling strategy,2,sched_fifo Real-time scheduling strategy, first-come-first service. Runs continuously once the CPU is occupied. Keep running until a higher priority task arrives or abandons itself3,SCHED_RR Real Time scheduling strategy, time slice rotation. When the time slice of the process is exhausted, the system will redistribute the time slices
Fast New Year, the task is not so much, you can have time to understand the other content, see a blog today about Weex, feel quite practical, and so on can understand. But the goal of this year is to be completed. Continue with Redis today.First, foreplayIn Redis, we can see the set type as an unordered character set, and as with the list type, we can also perform operations such as adding, deleting, or jud
Today, a netizen asked me the collection forgot not, this asked me to tangle a bit, and finally decided to write down this set of questions, so as not to commit a similar problem:Some elements in list and set need to be removed, while the method using edge traversal and edge deletion reported the following exception:concurrentmodificationexception in order to never forget, and also provide a reference to co
as in my previous article, you can set the tab width for the current user, or you can set the tab width for all users.I. Setting the tab width for the current user onlyinput command: Vim ~/.VIMRC then: Set tabstop=4//I have the TAB key width at 4 Save: Ctrl+z+z (or: wq! ) ok! Two. Set tab width for all usersInput c
tplink Restore factory Set Password setting method
1, Login Settings interface:
(1), the old version Tp-link router: In the browser's address bar input: 192.168.1.1 and press ENTER--> input default login username: admin, default login password:admin--> click "OK".
Older version Tp-link Router login interface
(2), new version Tp-link router: Enter in the browser: tplogin.cn and then press ENTER--> after the "
Now, you want to do this, you want to set one of the pages to be horizontal, and the other pages to be vertical. How to set it? The method is as follows, fairly simple.
You can use the following methods to set up a single page in Word for horizontal, paper size, margin, and so on.
For example, your Word document has 10 pages in total, now you want to
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