1.PowerDesigner Setting up the database
2. Set the self-increasing properties of the database
3. Set the default value out, will be comment also selected to
4. Matters needing attention
1, no longer one of the two tables in the library can not establish an association relationship.
2, when defining a primary key, do not use the Word ID directly, to define a meaningful word.
3, if the reference to an
Phase:now You apply your freshly-developed model to the Real-world data and get the results. Since you normally don ' t has any reference value in this type of data (otherwise, why would do need your model?), you CA N only speculate about the quality of your model output using the results of your validation phase.
The validation phase is often split into a parts:in the first part of you just look at your models and select the best per Forming approach using the validation data (=validation) th
Toolbar-"database-" Edit current DBMSThen, select: Mysql50::script\objects\table\optionsAdd at the end of the options:ENGINE =%s:list = BDB | HEAP | ISAM | InnoDB | MERGE | Mrg_myisam | MYISAM, default = MYISAMDEFAULT CHARACTER SET =%s:list = UTF8 | GBK, default = UTF8COLLATE =%s:list = Utf8_bin | Utf8_general_ci | Gbk_bin | Gbk_chinese_ci, default = Utf8_binFirst: Storage engineSecond: Character setThird: With bin is case-sensitive, CI does not diffe
nodes (including the original active node) is rolled back and then synchronized with the current active point. Other nodes cannot be candidates for active nodes until synchronization
Environment building, set up file directory ms\set1\db, log, config file ms\set2\db, log, config file ms\set2\db, log, config file
1. The configuration file is as follows:
Example 1
Dbpath=d:\msset\set1\db
Logpath=d:\msset\set1\s1.
#include Ascending order#include Descending arrangementYou can also use reverse iterations#include Or a custom comparison rule1. Element is not a structural body#include 2. Elements are structural bodies#include Delete and empty#include Find#include Sort the set Set sort
Title Link: BZOJ-1901Problem analysisThis problem can be solved by tree array or line segment tree.The first layer is the interval and the second layer is the weight value.Both spatial complexity and time complexity are O (n log n).CodeTree array nested segment tree#include [Bzoj 1901] Dynamic rankings "Tree array set segment Tree | | Line segment Tree Set segment tree "
There are a lot of important information in the computer, then you need to set a password, today small series for you to demonstrate the Win7 password setup process! (Note: The password is your login system password, not the power-on password, the one to go to the BIOS set up)
First, we open the Control Panel
Next, open the user account.
Then click Create a password for your account
In Linux, there are several 1 ways to set the password complexity
. One is in the/etc/login.defs file, inside several options
pass_max_days #密码最长过期天数
pass_min_ Days #密码最小过期天数
pass_min_len #密码最小长度
pass_warn_age 7 #密码过期警告天数
2. Another method is to modify the/etc/pam.d/system-auth file to
find password requisite pam_cracklib.so such a line replaced by the following:
password Requisite pam_cracklib.so retry=5 difok=3 minlen=10 ucredit=-1 lcredit=
The screen pattern lock setup process has two password, one is the screen pattern lock another is the PIN code, the PIN code is uses when we forget the screen pattern lock may use it to solve.
1. When we click "App" under the phone and go to "set" you will find a "lock screen".
2. Then we go to the "pattern" and then we draw a four-point graph, then click "Continue" and then click "Confirm".
3. Now we fill in the PIN code and then click "Cont
Import Java.util.HashSet;
Import Java.util.Scanner;
Import Java.util.Set; /** * Xiao Yi recently learned the concept of a set in math class with three characteristics: 1. Certainty 2. Sex 3. Disorder. Xiao Yi's teacher gave the little Yi such a set: S = {p/q | w *≤p≤x, Y≤Q≤Z} * You need to find out how many elements in a collection are based on a given w,x,y,z.
Small Isai Learn the collection also can not
1 in the iOS7 interface click "Settings"-"Cellular mobile network"
2 in the "Cellular mobile network" settings, you can open the cellular mobile data through the phone card to the Internet, you can also open the 3G network here, followed by cell phone call time statistics and traffic statistics
3 in the IOS7 Cellular mobile network data management, we can set each application individually.
4 then you can see the list of network traffic
We first after the computer installation "Foxmail" We then open the Foxmail and then the right picture click "Menu Icon-" Tool-"filter" open into.
Then we open the "in filter" click in the upper right corner of the "new" as shown in the following figure.
Then in the open filter rule we can follow the steps shown in the following figure, as follows.
Then set the custom reply to
The iphone is a popular smartphone. Now the user is very large, this phone in addition to open the phone, send text messages There are many powerful features, the following we will introduce the Apple 5s set the way the big head.
As a first step, we find albums or "photos" on our phones and then we can tap into them.
The second step, as shown above, is to click "Share" in the photo and then click the "Next" button.
In the second step, you
1. Data sets
Only trained a class of hand.First we need to process our dataset to get a data set similar to VOC:
where Jpegimages,labels name do not change Oh, the program can not find the very trouble
Find_replace (Path, "Dout", "labels", Labelpath);
Find_replace (Labelpath, "jpegimages", "labels", Labelpath);
Find_replace (Labelpath, ". jpg", "txt", labelpath);
Find_replace (Labelpath, ". JPEG ",". txt ", labelpath);
Here we only need three folde
The ID of the resultmap in the MyBatis *mapper.xml is used to improve overall performance and is the identity attribute when comparing object instances, especially the embedded cache and result mappings. If the Resultmap does not contain an ID entry, a org.mybatis.spring.MyBatisSystemException:nested exception is likely to appear org.apache.ibatis.exceptions.TooManyResultsException:Expected one result (or null) to is returned by SelectOne (), but Fou Nd:9
The first ID number is consistent
the prompt "file not found", the header function is available, and the statement is (?);( 2 points) Not authorized header ("http/1.0 404 Not Found"); Fast CGI: Header ("status:404 not Found");
19, in PHP, Heredoc is a special string, it's the end of the flag must be? (1 points) in pairs appear $a =
20, talk about the pros and cons of asp,php,jsp (1 points) ASP is dependent on IIS, is the language developed by Microsoft PHP and JSP can rely on Apache or Nginx and other servers
21, talk about th
Timer shutdown function We need to use a 360 software small assistant, with 360 software helper can do a lot of things, the following we look at the use of 360 software to implement a small assistant to the shutdown bar.
We open "360 software small assistant" in the computer and find the "shutdown" effect as shown in the screenshot below
After entering into the shutdown interface, we click on "Auto Shutdown" and then go to the "settings" effect as shown in the following image
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