esser | Event Sourcing Serverlessly | Serverless library
kandi X-RAY | esser Summary
kandi X-RAY | esser Summary
esser - [E]vent [S]ourcing [Ser]verlessly.
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Top functions reviewed by kandi - BETA
- Persist an aggregate
- Return the aggregate key
- Convert to an Event object
- Route event
- Called when an event is received
- Return a dict representation of the event
- Creates a new GUID from the database
- Generate a new GUID
- Persist the attributes
- Persist the attributes
- Register an aggregate class
- Register an aggregate path
- Process stream event
- Convert an image to an Event object
- Apply a callback to an aggregate
- Convert CamelCase to CamelCase
- Handle an event
- Return an aggregate
- Returns the object as a JSON string
- Returns a generator of all events
- Gets the last event from the aggregate
- Get all events for the given aggregate version
- Returns the current state of the state
esser Key Features
esser Examples and Code Snippets
Community Discussions
Trending Discussions on esser
QUESTION
in my program I defined a data type called Lyapunov_orbit that contains 8 fields, then I used it to read data from external .txt file (see below where I report only a few lines for convenience because the file has about 4000 lines). I need to perform some operations by using such structure (as to find minimum and maximum value of an array) but to handle it I had to declare an "auxiliary" variable called vec_J_cst because if I try to directly use my data strucutre, I get some errors (the structure-name is invalid or missing).
Here is the .txt file:
...ANSWER
Answered 2022-Feb-24 at 15:55The problem with the lines
QUESTION
I have two dictionaries conj_dict and score_dict. The keys of both dictionaries are the same.
I would like to create a new dictionary with all the key pairs of conj_dict that have a value in score_dict of less than 2.
ANSWER
Answered 2022-Feb-19 at 11:21Can use a dict comprehension with a condition:
QUESTION
I'm developing an e-commerce with back-end in Spring boot and front-end in Angular material. When I'm in the payment page of the browser, after a click event on the button Pay, I'd like that an order, that is related to the payment on which the click event occured, is created but I don't know how to do this thing.
The problem is that, when I create an object of type Payment after the click event, this object (due to the 1:1 relationship between Payment and Order) needs an object of type Order (as shown in the following entities) and I don't know how to create it from the front-end and connect it with the relative Payment object.
BACK-END
Order entity:
...ANSWER
Answered 2022-Feb-06 at 02:13Sending a request from FE to BE has essentially 2 steps:
- FE sends request to backend:
As you can see in this example from the Angular documentation:
QUESTION
The exercise is: The function takes as input a list of integers, i, and modifies it so that all even values are before the odd ones. The order in which the values appear is not important as long as all even values are before the odd ones. The function then returns the resulting list. The function must have computational complexity O (n) and a memory cost of O (1).
Basically, the function must modify the next field of the existing Items, without allocating new memory. Solutions that produce a new list to obtain the required result will not be considered valid. It is not allowed to change the values of the Items.
This is the "list.h" file
...ANSWER
Answered 2022-Feb-04 at 11:21The task at hand is about pointer juggling; that's it. The list is filled with nodes of even and odd values interspersed. The task is to wire them into a list of all even, then all odd, values, with NO reallocations, and NO node overwrites (e.g. pure pointer juggling).
There are multiple ways you can do this. A fairly easy one to understand is this:
Algorithm
- Setup two lists (initially empty), one "even", one "odd".
- As you walk the original list pruning nodes, put them on the "even" list or the "odd" list as warranted.
- When finished, link the odd list to the tail of the even list;
- The final result is not pointed to by the "even" list and you're done.
Walkthrough
In (admittedly dreadful) asci art, it looks something like this. Given an original list of
QUESTION
There is some margin to the right of the page, seemingly outside of the body itself (seen from inspecting in browser), which also causes a scrolling bar to appear on the bottom, but i can't understand what causes it.
I linked on both codepen and netlify
Codepen:
https://codepen.io/bladeranner5005/pen/QWObNpZ
Netlify:
https://lucid-kalam-398350.netlify.app
html
...ANSWER
Answered 2022-Jan-27 at 20:48It's caused by the margins of your middle logo, #animation. Setting --bs-gutter-x to 0 seems to fix it.
QUESTION
I'm facing with a Multivariate AI algoritm copied on the net.
After few adaption of my 2D data to the algoritm, I'm encounted in a strange error when computing TrainX and TrainY:
...ANSWER
Answered 2022-Jan-25 at 10:42The [] for dataframes only slices rows, to slice rows and columns, you need the iloc operator:
QUESTION
I am trying to use XElement to add new content to an existing XML data file.
For the most part it is working OK but I need to change it. This is what I have so far:
...ANSWER
Answered 2022-Jan-09 at 23:26You can take advantage of the fact that null nodes are ignored, so make a condition where you pass null when the condition is not met.
Here is the basic idea:
QUESTION
I recently updated my bot to v13, but all commands that use awaitMessages doesn't work anymore. Here is my code:
...ANSWER
Answered 2021-Dec-20 at 19:35QUESTION
I'm trying to authenticate via graph api to AD with Azure.Identity UsernamePasswordCredential but whenever I initialise the credential ctor, it throws the following exception:
...ANSWER
Answered 2021-Oct-05 at 11:07I had a similar issue with Azure.Storage.Blobs getting the exception
System.TypeInitializationException: The type initializer for 'Azure.Core.Pipeline.LoggingPolicy' threw an exception. ---> System.TypeInitializationException: The type initializer for 'Azure.Core.Diagnostics.AzureCoreEventSource' threw an exception. ---> System.NotImplementedException: The method or operation is not implemented.
I solved it by installing Azure.Core. I hope it might be useful to you.
QUESTION
I am trying to build a dataframe using Daily(Point(lat,lon), start-date, end-date), a function of the meteostat library that returns all the daily weather statistics for the location indicated by Point(lat,lon) using latitude and longitude, from the start-date to the end-date.
The issue is that (lat, lon) arguments needs to be float and so indicates only one location. I want to addres several locations and collect the daily metereological data for each of them.
...ANSWER
Answered 2021-Nov-30 at 02:00Here is a solution inspired by this github issue. It makes parallel requests for the different locations and then merges the results in a pandas dataframe.
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You can use esser 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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