idempotent Questions
3
Solved
When we make a stripe checkout session we include a success url:
session = await this.stripe.checkout.sessions.create({
payment_method_types: ['card'],
line_items: lineItems,
payment_intent_data...
Doorpost asked 16/4, 2021 at 3:46
8
Solved
I read Wikipedia's explanation of idempotence.
I know it means a function's output is determined by its input.
But I remember that I heard a very similar concept: pure function.
I Google them but c...
Mural asked 26/1, 2011 at 3:54
2
Is every pure function idempotent?
I wouldn't ask such a crazy question if I hadn't seen this statement in the official Angular.js tutorial:
The filter function should be a pure function, which...
Tessellation asked 8/10, 2015 at 8:36
7
Solved
Given that the DELETE verb in HTTP is idempotent, when I issue the following request, what should happen the second (or third, or fourth, etc...) time I make it?
DELETE /person/123
The first time,...
Itch asked 22/6, 2011 at 11:58
2
Solved
I want to insert some lines in a file using the blockinfile module.
- name: add some lines
blockinfile:
dest: /etc/sysctl.conf
block: |
mykey1={{ kernvars['my_value1'] }}
mykey2={{ kernvars['m...
Capp asked 9/1, 2017 at 13:56
18
Solved
What is an idempotent operation?
Snoop asked 3/7, 2009 at 1:6
7
Solved
I am wondering if my current approach makes sense or if there is a better way to do it.
I have multiple situations where I want to create new objects and let the server assign an ID to those object...
Sophisticated asked 21/12, 2012 at 14:26
4
Solved
I have noticed that terraform will only run "file", "remote-exec" or "local-exec" on resources once. Once a resource is provisioned if the commands in a "remote-exec" are changed or a file from the...
Sophistry asked 21/8, 2016 at 22:13
3
Solved
Java docs of close() method of java.lang.AutoCloseable says
Note that unlike the close() method of Closeable, this close() method is
not required to be idempotent. In other words, calling this ...
Fact asked 11/10, 2013 at 14:1
5
Solved
I've noticed that when we create a firewall rule through netsh advfirewall firewall, it can be run multiple times, creating multiple identical firewall rules.
Is there any way of checking if the f...
Mesozoic asked 24/8, 2015 at 14:37
2
Solved
What I am trying to achieve
We have a REST API built with Spring Boot, JPA and Hibernate.
The clients using the API has an unreliable access to network. To avoid having too many errors for the en...
Lesbos asked 26/7, 2017 at 13:14
1
I am using Kafka 1.0.1 in my application and I have started using the Idempotent Producer feature that was introduced in 0.11, and I've having trouble understanding the ordering guarantees when usi...
Beatnik asked 23/4, 2018 at 13:47
3
Solved
Are idempotent and deterministic functions both just functions that return the same result given the same inputs?
Or is there a distinction that I'm missing?
(And if there is a distinction, could y...
Galvez asked 28/10, 2016 at 0:29
4
Solved
I am trying to get all the installed YUM packages on an RHEL machine. I can easily get it through using shell commands which is not idempotent and would like to use the YUM command instead.
The she...
Rickie asked 9/1, 2017 at 15:43
0
What could be possible alternative solution to implement Idempotency and also handle race condition.
For ex. consider a request to add a customer to System Of Record. The customer detail will have ...
Ciprian asked 28/7, 2020 at 11:55
1
Solved
I have been looking for a way to design my API so it will be idempotent, meaning that some of that is to make my POST request routes idempotent, and I stumbled upon this article.
(If I have unders...
Overman asked 18/10, 2019 at 15:17
2
Solved
How could the PUT method be idempotent but not safe? Can someone explain it out?
HTTP Method Idempotent Safe
OPTIONS yes yes
GET yes yes
HEAD yes yes
PUT yes no
POST no no
DELETE yes no
PATCH no n...
Utile asked 24/6, 2019 at 4:17
3
Solved
I have multiple distributed competing consumers each pulling messages off the same (transactional) queue. I want to implement each consumer as an Idempotent Receiver so I never process the same mes...
Amylopsin asked 3/11, 2009 at 17:38
2
Solved
I'm using Firestore at beta version with Cloud Functions. In my app I need to trigger a function that listens for an onCreate event at /company/{id}/point/{id} and performs an insert (collection('e...
Lonergan asked 26/4, 2018 at 16:16
2
From a lot of articles and commercial API I saw, most people make their APIs idempotent by asking the client to provide a requestId or idempotent-key (e.g. https://www.masteringmodernpayments.com/b...
Winou asked 25/7, 2015 at 1:36
2
Solved
I am reading a lot about rest API and I always stumble upon terms idempotency. Basically GET, HEAD, PUT, DELETE and OPTIONS are all idempotent, and POST is not.
This statement on http://www.resta...
Rhizobium asked 4/7, 2017 at 12:31
1
Solved
As far as I understand, GET has to be idempotent - it cannot change anything in the system and repeating it should always return the same unless something else changed the state of the application....
Barbarism asked 28/12, 2016 at 9:45
1
Solved
I'm designing api with method that should be an idempotent, and should not modify any data on the server. It should be method that process request and return response for given parameters.
One of...
Haydeehayden asked 19/9, 2016 at 8:35
3
Solved
I'm currently installing Pear packages for PHP with Ansible like so:
- name: Add Phergie PEAR channel.
command: pear channel-discover pear.phergie.org
ignore_errors: yes
- name: Install Phergie...
Hereunder asked 27/12, 2013 at 16:21
3
Solved
I implemented an API that renames a company as follows:
PUT /companies/A
{
"name": "B"
}
will return HTTP 301 with the Location header pointing at the company's new URI: /companies/B.
How can ...
Ulita asked 15/10, 2013 at 17:50
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