[NLP] keyword co-occurrence / attribute co-occurrence matrix

[NLP] keyword co-occurrence / attribute co-occurrence matrix [co-occurrence] it is no more than the frequency of two words appearing at the same time as an indicator to construct a matrix. The first column and the first row of the matrix are all words in the list of words, so the diagonal is generally ...

Posted on Tue, 11 Feb 2020 04:29:13 -0800 by infini

Django account management part - password modification and reset

Important: change password, reset password by email Last article: User login and registration Video: Just take a look at this Change Password In general, the password modification process is that the user clicks the password modification and jumps to the password modification page, where the old pa ...

Posted on Tue, 11 Feb 2020 03:57:41 -0800 by tbone05420

[Note 6 - payment and order module] independently completed the development of enterprise Java e-commerce website (server side) from 0

Payment module In the actual development work, we often encounter the following scenarios: one payment module, one Order module, has certain dependence, one colleague is responsible for the payment module, and another colleague is responsible for the Order module, but when developing the payment module, we need to rely on the relevant classes, ...

Posted on Mon, 10 Feb 2020 23:57:38 -0800 by computerzworld

[django] - CRUD operation of models

  Increase Create 1. preservation To create an object, use the keyword parameter of the model class to instantiate it, then call save() to save it to the database. #Method 1: the Test module usually creates and saves objects in one step models.Entity.objects.create(c1='xx', c2='oo') # Add a p ...

Posted on Mon, 10 Feb 2020 23:41:13 -0800 by jamessw

Mybatis plus learning notes: code generator

AutoGenerator is the code generator of mybatis plus. Through AutoGenerator, you can quickly generate the code of Entity, Mapper, Mapper XML, Service, Controller and other modules. Project structure: Before generation: After generation: pom.xml: <dependencies> <dependency> <groupId>org.springframework.boot& ...

Posted on Mon, 10 Feb 2020 07:49:40 -0800 by Mahfouz

PostgreSQL database - Tutorial 1

1. Query the table name, owner, index, trigger and rule of all tables in a schema select * from pg_tables where schemaname ='schema name' 2. Query the table names of all tables in a schema select tablename from pg_tables where schemaname ='schema name' 3. Query all information in a table in a schema select * from informat ...

Posted on Sun, 09 Feb 2020 10:51:31 -0800 by solon

Take and return json data in flask

json data structure: take the city data of package ticket website as an example, don't panic to get the data, 1. Analyze the data structure first. There are several large fields ('returnCode' and 'returnValue' fields. Only one field is defined and the other field is reserved (no need to deal with) 2 key table - > split 're ...

Posted on Sun, 09 Feb 2020 09:05:50 -0800 by netzverwalter

#IT star is not a dream. The construction of automation platform and the second development of zabbix

In my former employer, I have made a second transformation of the operation and maintenance platform. Of course, the functions based on zabbix platform are also constantly improving. Compared with the previous infrastructure, we use the front-end architecture of vue + element, and the way of drawing is echart. Back end we use restful standard ...

Posted on Sun, 09 Feb 2020 08:11:03 -0800 by Locked

php connection database (1)

1. php linked database: 1. Linked database 2. Judge whether the connection is successful 3. Set character set 4. Select database 5. Prepare SQL statement 6. Send SQL statement 7. Process result set 8. Free resources (close database) $result = mysqli [query ($link, $SQL) / / returns an object Mysqli? Fetch? Assoc ($result) read down one by one, ...

Posted on Sun, 09 Feb 2020 07:11:41 -0800 by markhard

Redis Actual-Data Structure Set Actual Filter User Registration Duplicate Submission Information

Overview: This series of blogs covers relevant content from a hands-on course recorded by debug: Getting Started with Cache Middleware Redis Technology and Application Scenario Actual Warfare (SpringBoot2.x +Redback System Design and Warfare) , interested little buddies can click to learn on their own (after all, it's faster to master technolo ...

Posted on Sat, 08 Feb 2020 08:25:02 -0800 by qing