crud-app | ️ A simple and beautiful CRUD application built with React | Frontend Utils library
kandi X-RAY | crud-app Summary
kandi X-RAY | crud-app Summary
️ A simple and beautiful CRUD application built with React.
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Trending Discussions on crud-app
QUESTION
I read this answer, which clarified a lot of things, but I'm still confused about how I should go about designing my primary key.
First off I want to clarify the idea of WCUs. I get that WCU is the write capacity of max 1kb per second. Does it mean that if writing a piece of data takes 0.25 seconds, I would need 4 of those to be billed 1 WCU? Or each time I write something it consumes 1 WCU, but I could also write X times within 1 second and still be billed 1 WCU?
Usage
I want to create a table that stores the form data for a set of gyms (95% will be waivers, the rest will be incidents reports). Most of the time, each forms will be accessed directly via its unique ID. I also want to query the forms by date, form, userId, etc..
We can assume an average of 50k forms per gym
Options
First option is straight forward: having the formId be the partition key. What I don't like about this option is that scan operations will always filter out 90% of the data (i.e. the forms from other gyms), which isn't good for RCUs.
Second option is that I would make the gymId the partition key, and add a sort key for the date, formId, userId. To implement this option I would need to know more about the implications of having 50k records on one partition key.
Third option is to have one table per gyms and have the formId as partition key. This seems to be like the best option for now, but I don't really like the idea of having a a large number of tables doing the same thing in my account.
Is there another option? Which one of the three is better?
Edit: I'm assuming another option would be SimpleDB?
...ANSWER
Answered 2021-May-21 at 20:26For your PK design. What data does the app have when a user is going to look for a form? Does it have the GymID, userID, and formID? If so, make a compound key out of that for the PK perhaps? So your PK might look like:
QUESTION
Please find my code and error.
My App.js frontend code
...ANSWER
Answered 2021-Apr-22 at 06:38There is a typo. In the frontend code :
QUESTION
Trying to create CRUD opration with MEAN stack. Currently using Angular 11 cli, I've created lazy module. the lazy module has add/edit/list components. To list the data, I'm using Angular materials. The problem what here I'm facing is that am not able to navigate to due to below error on my front end.
Note: This may be duplicate, but I've already seen few SO solution, but unfortunatly i'm not able to fix this for more than 3 hrs.
May be some has good eyes to point the problem what i've done here
app-routing.module.ts
...ANSWER
Answered 2021-Apr-21 at 06:25Change your routerLink to
QUESTION
i am trying to make a CRUD app in DRF-Reactjs by following Tania rascia's example
i have successfully implemented add, delete, list view. but i am trying to edit a specific row which is not updating in DRF backend. but the edited row is shown in the frontend list. why it is not updating in django admin list?
in DRF side views.py:
...ANSWER
Answered 2021-Mar-12 at 23:51- Trying to update something should be done in a put request, not a post request. This is a REST API convention, but a discrepancy may have some consequence down the line.
- In this case, the error in your development tools is telling you that one of your components has an onChange/onSubmit etc property that is changing over the course of one mount from null to a function. This is not what's causing your issue, but I suspect it can be fixed by declaring the code in a handleSubmit function and then putting that into your onSubmit.
- I think the error that's actually causing your problem is that the updatedTodo is not being sent to the backend. All that is being sent is the id (second parameter of axios.post). So if you pause the backend during execution, you would see that request.data = the id only, when it should be TodoSerializer's readable fields.
PS:
- You can add a "debugger;" statement in the code after the updateToDo async request error to see what the error actually is (read more on the development tools debugging - browser dependent).
- Don't abuse fragments - in this case, it would make for a more accessibility-friendly experience if you use divs in most of these components. Wouldn't it make more sense if the heading of some content was grouped with the content? https://developers.google.com/web/fundamentals/accessibility/focus/dom-order-matters
QUESTION
I finished step 1 in this tutorial on how to set up a MERN stack project.
I have a .gitignore
with the following contents
ANSWER
Answered 2020-Nov-17 at 07:47If your repository is in the backend folder, meaning you have
QUESTION
Im trying to follow this article https://www.netlify.com/blog/2018/07/09/building-serverless-crud-apps-with-netlify-functions-faunadb/
its a reactjs app. we ran npm i netlify-lambda --save-dev then did this configuration in package.json
...ANSWER
Answered 2020-Nov-11 at 09:51pathRewrite
is a regular expression.
^
: indicates the beginning of a string.
This will redirect the requests made to /.netlify/functions
to the locally-running function server at port 9000
(due to target
configuration).
QUESTION
I am using router version 5.2 and I am trying to make routes in file app.js
.
My routes look like this:
ANSWER
Answered 2020-Jul-30 at 09:27The problem was with backend Laravel, beside routes in react, you should define routes in web.php
file
QUESTION
Background:
I followed this tutorial and built a working CRUD app using React hooks. Starting with the code in the tutorial I want to factor the state components out of each view and into a single class. My reason for doing this is to create a reusable, statically typed viewmodel object.
Problem:
In AddUserForm.tsx I am handling input changes in the function handleInputChange
. I am stepping through the code using VS Code debugger and I get this strange behavior: I put a breakpoint on the line that calls setCurrentUser
however when I start debugging the breakpoint moves to the line following which is the closing curly brace (all code files are saved to disk and the app builds in TS). For some reason setCurrentUser
never executes.
AddUserForm.tsx
...ANSWER
Answered 2020-Jul-21 at 19:09useState is a hook and only works in function components, not class components.
Please refer to https://reactjs.org/docs/hooks-state.html
On a separate note, your 'viewModel' should only be data and code. It does not have any 'State' and far as React is concerned. Only React components have state in that sense.
QUESTION
I am new at Angular and trying to build a small crud application using this link
https://overflowjs.com/posts/Angular-8-Understanding-Directory-Structure-and-Creating-CRUD-App.html
I have done exactly as it is mentioned. I am getting an error which I cant seem to understand. The error is below :
...ANSWER
Answered 2020-Jun-06 at 18:45That's because you have defined the method as:
QUESTION
I am doing a tutorial using laravel and vuew and okta. From here but when I run the command
...ANSWER
Answered 2020-Apr-08 at 09:44maybe you use
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