pigeon | transaction log streamer for MariaDB Galera Cluster | Pub Sub library
kandi X-RAY | pigeon Summary
kandi X-RAY | pigeon Summary
Pigeon is a transaction log streamer for MariaDB Galera Cluster. Its goal is to propagate the information written to the transaction log in a kafka topic.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of pigeon
pigeon Key Features
pigeon Examples and Code Snippets
def pigeon_sort(array: list[int]) -> list[int]:
"""
Implementation of pigeon hole sort algorithm
:param array: Collection of comparable items
:return: Collection sorted in ascending order
>>> pigeon_sort([0, 5, 3, 2, 2
Community Discussions
Trending Discussions on pigeon
QUESTION
ANSWER
Answered 2021-May-19 at 21:45This is one way to do the filled polygon and antialiasing in Python/OpenCV.
QUESTION
I am using Room 2.4.0-alpha01
but it show me this error
Schemas required for migration are not found at path: \app\schemascom.pigeon.mangaer.AppDB/2.json. Cannot generate auto migrations.
here is my code:
...ANSWER
Answered 2021-Apr-23 at 20:00Room Auto-migration requires you to export your database schema, so it can know how your database was in the previous version, in order to generate the auto-migration. This was stated at a post on Medium by Florina Muntenescu:
⚠️Note: Under the hood, Room auto-migrations rely on the generated database schema, so make sure that the exportSchema option in @Database is true while using autoMigrations. Otherwise it leads to an error: Cannot create auto-migrations when export schema is OFF.
This answer shows how to add the option exportSchema
correctly to your project.
QUESTION
My dataset is merged from 2 huge datasets and then NA-removed. It is now in shape (2707,18).
I have done
...ANSWER
Answered 2021-Apr-17 at 04:36Try to use pandas.Series.str.strip() to remove heading and tailing whitespace in column Record Status
and use pandas.Series.isin() to filter column
QUESTION
I have a dataframe with 10 columns. One column gives bird species' names. There's actually 300 species but I'm just interested in 200 of them. I would like to keep only the information about this 200 species.
Screenshot of my table: https://i.stack.imgur.com/OcJyI.png
I can't just write : filter(Species == "Mallard" & Species == "Wood-pigeon")
I have a matrix with all the 200 selected species. But, I don't know how to use this matrix to select to relevant rows in my dataframe. Is it possible with subset/filter/etc function to select rows based on a matrix?
What are the correct codes please ?
...ANSWER
Answered 2021-Apr-03 at 20:17The ==
with &
is not going to work anyway as we don't find the different 'Species' in the same cell. With that code, it would be |
instead of &
. But, this can be done more easily with %in%
on a vector of values e.g.
QUESTION
I'm sorry if this is a stupid question as I'm new to python and coding. Do ask if there are any doubts in understanding my problem.
I have a nested dictionary as
...ANSWER
Answered 2021-Mar-31 at 16:04You can use collections.defaultdict
to store the running matching and original dictionary keys. This answer breaks up the input into specific groups based on the item
content: complete item
values are saved in full
, and any item
with at least one Living
goes in p
:
QUESTION
after hours I write this :
Client side : Here I have image.png ( original image )
...ANSWER
Answered 2021-Mar-22 at 00:31In your sender:
QUESTION
I have file bird.lst, I need to read file contents and store data in map, here the idea is bird name is store in string and those having some attribute values that needs to be stored in vector. please help
eventually map looks like below, ex:
...ANSWER
Answered 2021-Mar-22 at 06:03You need a nested loop.
- The outside one reads the name of the bird (the key of the map)
- The inside one reads the attributes of the bird (the values of the vector)
Here is what I came up with:
QUESTION
I am new to rust and trying to learn and experiment, here is a link to the playground with the issue and explanation below: https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=19920813410a42500045cf2c6cc94f12
...ANSWER
Answered 2021-Mar-18 at 10:38After reading up on mutable borrows in for loops it looks like this is the solution:
QUESTION
jsfiddle: https://jsfiddle.net/knm81zL2/
I have a quiz like this:
When it's the first question there is just one listener on each button and clicking the wrong buttons doesn't produce the Well done
alert or enables the Next button:
However when I go to the next question:
Clicking the previously correct Whale
button would result in Well done
alert and the Next button becomes enabled:
Clicking on the Monkey
button does the same + makes the Monkey
button green:
ANSWER
Answered 2021-Mar-01 at 17:12You need to somehow remove/reset the listeners set in the last iteration. I'd call .off('click')
before attaching the new click listener in showQuestion
:
QUESTION
I need to scrape a book web site and save the information (price, code, fees, etc.) in a CSV file as a table, but when I try to save the data in the CSV file, I have the title name repeated several times and the information is vertical, I need to place it horizontally and at the end of the information in a book, I need the next information to be on the bottom line.
...ANSWER
Answered 2021-Jan-21 at 00:33Python's CSV module might help you. Using the CSV module makes it easy. The only thing you need to do is to append the items to a list and then output them all at once, see my_list
in the code below.
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db.properties
pigeon.properties
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