Database_Manager | Python class to manage database operations | SQL Database library
kandi X-RAY | Database_Manager Summary
kandi X-RAY | Database_Manager Summary
Python class to manage database operations.
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Top functions reviewed by kandi - BETA
- Get all rows from a table .
- Insert a row into the database .
- Creates a sqlite table
- Update a row in a table
- Create a connection to the database .
- Initialize the database .
- Close the connection .
Database_Manager Key Features
Database_Manager Examples and Code Snippets
Community Discussions
Trending Discussions on Database_Manager
QUESTION
I'm working on a project and there's part of my project is an interface containing all the employees so when I turn off the switch of one of the employee it's mean that his account is suspended, but I faced a problem that when I turn the switch off/on all others switches turn too, I don't know how to solve this if you have any idea.
here is my code
...ANSWER
Answered 2022-Apr-02 at 21:39your problem is that you are using a single Boolean for all the list's users, you have many options on how to solve this problem, this starter code based on your code might help you:
QUESTION
I have been trying to figure out when and where to use different patterns in Python. I came across this document: https://python-patterns.guide/gang-of-four/abstract-factory/
Now this made me wonder how can I do what he says in my code. Here is my implementation is an abstract factory. Not sure if its correct.
...ANSWER
Answered 2021-Nov-14 at 06:32Following you last comment.
I would not use abstract factory pattern for this use case. May I ask why you want to use it ?
When I suggest to remove the PostsManagerFactory
class by extracting the get_posts_manager
to a function, I mean replacing this code snippet
QUESTION
ANSWER
Answered 2021-Mar-23 at 10:07I solved the issue by editing the following file: ./htdocs/lib/dml/mysqli_native_moodle_database.php I changed this line :
QUESTION
I am trying to make a client-server application in C++ using TCP/IP sockets, but when I am trying to receive data from the server the client receives a random big number, even if the server didn't send it.
On the server side I am first receiving client's user and after I am sending server's name and user's role:
...ANSWER
Answered 2020-Aug-16 at 13:47Within send_message
, you are using sizeof(message_left.c_str())
for the message length. That's the size of a pointer. You probably want message_left.size()
instead:
QUESTION
I'm working on a project that uses FastAPI alongside Pydantic and SQLAlchemy. I'm also using encode/databases to manage database connections. But for some weird reason, I get asyncpg.exceptions.DataError: invalid input for query argument $1: 217027642536 (value out of int32 range)
anytime I try saving to the database. Here's what my code looks like:
database.py
ANSWER
Answered 2020-Aug-13 at 23:51You are basically having Integer Overflow, Int32 represents 2^31 - 1
, that means it can store the values in range -2147483648 to 2147483648 but the value you are trying to insert is bigger than 2^31
QUESTION
Following up on this question: How to query a SQL Lite database using flutter sqflite
I am storing the time the database entries are added using an int that is calculated:
...ANSWER
Answered 2020-Apr-17 at 04:50in the where clause you must replace time
with your column name in the Table
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Install Database_Manager
You can use Database_Manager like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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