arnold | Migrations for peewee. down. up. | Data Migration library
kandi X-RAY | arnold Summary
kandi X-RAY | arnold Summary
Migrations for peewee. down. up.
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Top functions reviewed by kandi - BETA
- Parse command line arguments
- Show status of latest migrations
- Get the latest migration
- Prepare the model
- Setup the model
- Start migration
- Perform migrations
- Perform a single migration
- Retreive all filenames
- Update migrations table
- Performs migrations
arnold Key Features
arnold Examples and Code Snippets
arnold init
.
+-- arnold_config
| +-- __init__.py
| +-- migrations
| +-- __init__.py
001_initial.py
002_add_admin_to_users.py
003_add_account_table.py
arnold up 1
arnold down 3
arnold up 0
from peewee import SqliteDatabase
database =
Community Discussions
Trending Discussions on arnold
QUESTION
It seems so simple. I need a cmdlet to take a two word string, and truncate the first word to just the first character and truncate the second word to 11 characters, and eliminate the space between them. So "Arnold Schwarzenegger" would output to a variable as "ASchwarzeneg"
I literally have no code. My thinking was to
...ANSWER
Answered 2022-Mar-24 at 03:39Here is one way to do it using the index operator [ ]
in combination with the range operator ..
:
QUESTION
My attempt to parse XML using Linq to XML failed. Despite the fact that as you see ItemList[0] below, I can get the ItemList
has many XML element items of the list ItemList (variable)
, the result shows only one XML element of the ItemList [0]
in ItemList (variable)
. I need to print out all elements on the ItemList [n]
.
Main Code
...ANSWER
Answered 2022-Mar-22 at 08:43If you read the documentation for Element, it says:
Gets the first (in document order) child element with the specified XName.
Please notice how it says "first child". In your case you want to retrieve all children, so you need to call Elements.
To do that, add a for each loop inside your current one.
QUESTION
I am trying to do sentiment analysis using a list of words to get a count of positive and negative words in a pyspark dataframe column. I can successfully get the counts of positive words using the same method, and there are roughly 2k positive words in that list. The negative list has about double the number of words (~4k words). What could be causing this issue, and how can I fix it?
I don't think it is due to the code since it worked for the positive words, but I am confused as to whether the number of words I'm searching for is too long in the other list, or what I am missing. Here is an example (not the exact list) below:
...ANSWER
Answered 2022-Mar-07 at 16:17Your neg
list contains characters that have special meaning for regular expression patterns and consequently, your pattern becomes an unparsable regex pattern.
You can escape the special characters in the pattern by using the re.escape() function.
QUESTION
Since I am new at Linq to XML, I practice using MS official document. I want the result Computer Keyboard
from PurchaseOrderNumber="99504" and Item PartNumber="898-AZ" and ProductName
. Can you give a guide for this?
ANSWER
Answered 2022-Feb-13 at 08:48You have a typo here, it should be "Item"
QUESTION
I am trying to print the beautifulsoup content from this link: https://www.sec.gov/Archives/edgar/data/1750/0001047469-11-006302.txt using the code
...ANSWER
Answered 2022-Feb-04 at 05:03BS4 is also using recursion to find all elements and Python has a recursion limit (check with sys.getrecursionlimit).
The error you're facing might be due to the HTML doc has too many child elements.
You may want to use sys.setrecursionlimit to increase the limit. For example:
QUESTION
I'm trying to migrate a SQL query to a SparkSQL one. My main issue is with string_split
function which I'm trying to replace with explode
combined with split
. Still giving me some errors..
The original query looks like this:
...ANSWER
Answered 2022-Feb-02 at 20:04Create the data:
QUESTION
I would need some help regarding a SQL query that I can't figure out. I have 2 tables like this:
...ANSWER
Answered 2022-Feb-02 at 14:24If I understand correctly you could do this:
QUESTION
I was given a task where I'm supposed to plot a element based on another column element.
For further information here's the code:
...ANSWER
Answered 2022-Jan-15 at 06:13First generate the male rows separately and extract first name and salary for plotting.
The below code identifies first five male employees and converts their first name and salary as x and y lists.
QUESTION
I'm just trying to change the current renderer in render settings to V-Ray in maya.
I followed this : Maya Python change current renderer in render setting But it's not working with V-Ray option
I also tried this :
...ANSWER
Answered 2022-Jan-17 at 13:55Try to read the correct value when you manually switch to VRay:
QUESTION
When I used python to do the arnold scrambling algorithm, I found that the running time of the for loop was not good enough, and the time reached more than 1 second. I wanted to use numpy to speed up, but I don't know how to start. The arnold algorithm mainly uses the pixel coordinates of the original image to do a mapping transformation to obtain new coordinates, and fills the pixel values into the new coordinates.
...ANSWER
Answered 2022-Jan-14 at 05:42This should work:
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Install arnold
You can use arnold 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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