[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
Important: change password, reset password by email
Last article: User login and registration
Video: Just take a look at this
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
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
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
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.
Posted on Mon, 10 Feb 2020 07:49:40 -0800 by Mahfouz
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
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
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
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
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