envi | 基于多源遥感数据的土壤盐渍化诊断系统
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kandi X-RAY | envi Summary
基于多源遥感数据的土壤盐渍化诊断系统 (RS-based Soil Salinization Diagnosis System)
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QUESTION
I'm having some issues with the useState hook and i can't understand why this doesn't work.
I'm building a simple ticket system, and whenever a user clicks on a button it opens a modal and the user can write things about their issue.
I'm having problems getting this modal data to display on another page, where the user can see all the tickets, like a list.
If i do a console.log i can see the user input, but if a try to print this into the page itself it doesn't work.
Throws an error saying TypeError: addTicket is not a function
And lastly i'd like to show the modal info in a format(ID - Title - Status), how can i proceed about the id part, for it to iterate itself every submit event?
Many thanks!
Code on the list page
...ANSWER
Answered 2021-Mar-22 at 23:23I believe that you are missing to pass addTicket
function as prop to the CreateTicketModal
component
QUESTION
I have a dataframe "df1" composed of 1245 lines, with a column text (object type) and topic (object type). The topic column contain different number corresponding to text label. Here is an exemple :
...ANSWER
Answered 2021-Feb-09 at 14:48With only using pandas, you can do something like this:
QUESTION
While trying to implement role-based-authentication using JWT as default authentication scheme, I've encountered a situation where roles defined in the Authorize
attribute are being ignored, allowing any request (with a valid token) to pass, even if not in those roles, (what interesting is that other policies with custom requirements defined in the very same Authorize
attribute are working fine)
Reading jerrie's artical he mentions that
Here is a great find: The JWT middleware in ASP.NET Core knows how to interpret a “roles” claim inside your JWT payload, and will add the appropriate claims to the
ClaimsIdentity
. This makes using the[Authorize]
attribute with Roles very easy.
And:
Where this gets really interesting is when you consider that passing Roles to the
[Authorize]
will actually look whether there is a claim of type http://schemas.microsoft.com/ws/2008/06/identity/claims/role with the value of the role(s) you are authorizing. This means that I can simply add[Authorize(Roles = "Admin")]
to any API method, and that will ensure that only JWTs where the payload contains the claim “roles” containing the value of Admin in the array of roles will be authorized for that API method.
does that still hold true? (This article is several years old)
Am I doing anything wrong?
StartUp (ConfigureServices)
...ANSWER
Answered 2020-Dec-10 at 04:46Here is the whole working demo about how to use JWT role based authentication:
Startup.cs
QUESTION
I am basically getting a runtime error when using the below dependency:
...ANSWER
Answered 2020-Nov-30 at 13:30Replacing all the mapbox dependencies with this solved my problem :
QUESTION
I'm making a program to scrap some websites, and I'm finding a problem when scraping one of them. On the others I've found my way using Selenium + BS4 to get the information I need and navigating the pages.
The page is this one: https://www.borm.es/#/home/sumario/21-11-2020
Now, the objective is to get all the paragraphs from the class: ng-binding, and the links of each "VER ANUNCIO" that each one has below them.
Usually I would use soup.find_all() to get all of them and navigate the tree or use Selenium to get all the elements using XPATH/CSS SELECTOR.
The problem I'm facing is that find_all(), or find() is returning nothing, (empty list or None), and Selenium returns None too.
I've tried checking if the elements are inside a frame, which I think they're not. I've tried WebDriver wait to see if the page should stop to load before doing something. Different classes/tags give same result.
Now, when I print the BeautifulSoup object, it returns this instead of the HTML code I see inspecting the page:
...ANSWER
Answered 2020-Nov-21 at 12:57What is going on is that the page content that you are viewing is actually being loaded by JavaScript code that is being executed after the initial page content (which you have printed out and are searching) has loaded and that is why you are not finding the elements you are expecting. There are two ways of dealing with this:
- Use
Selenium
to drive a web browser such as Chrome to load the page and wait for an element that you are looking for to be loaded using a Selenium call. Then you can get fromSelenium
the current page source and initializeBeautifulSoup
with that and proceed as usual. This is the "standard" approach. - Using a browser inspector you can look at the network XHR requests that are being made after the page has loaded. One or more of these will be the cause of fetching additional data for updating the DOM. You can then note what the GET or POST request(s) was, make the request yourself and process the data directly.
For example:
QUESTION
I'm still learning jquery and I'm facing an issue that probably a lot of people have been facing which is just logic but I can't seem to find a good way to learn how to do that.
So my issue is the following:
I'm creating elements called .lieu
on the page using jquery. Basically, when you enter a text and click "OK" you created another .lieu
that is supposed to display the text "en passant par le bois des lutins" in the destinations
tab.
The first one that is created with html is working but not the other ones.
It seems the script is able to execute on the elements created using html (that's probably due to:)
ANSWER
Answered 2020-Nov-17 at 04:12A think I see your problem.
When a document (webpage) loads, specific targeted jQuery functions like yours..
QUESTION
I have runned the webpack --mode production to build the dist folder, but it is showing this error when i run the server, the app is running on the developer mode.
I got this error:
C:\Users\Bymet\Documents\Gestor de Inventario\frontend-admin\node_modules\webpack\lib\webpack.js:31 throw new WebpackOptionsValidationError(webpackOptionsValidationErrors); ^
WebpackOptionsValidationError: Invalid configuration object. Webpack has been initialised using a configuration object that does not match the API schema.
- configuration should be an object.
and next something like this:
validationErrors: [ { keyword: 'type', dataPath: '', schemaPath: '#/type', params: { type: 'object' }, message: 'should be object', schema: 'object', parentSchema: { definitions: { ArrayOfStringOrStringArrayValues: { type: 'array', items: [Object] }, ArrayOfStringValues: { type: 'array', items: [Object] }, Entry: { anyOf: [Array] }, EntryDynamic: { description: 'A Function returning an entry object, an entry string, an entry array or a promise to these things.', instanceof: 'Function', tsType: '(() => EntryStatic | Promise)'
I have changed the dotenv to the dependencies to deploit on heroku but it "work"
here is my server and my webpack config
...ANSWER
Answered 2020-Nov-10 at 16:50It looks like you're exporting a function to create the configuration object which means you have to call it first before passing to webpack
:
QUESTION
I have a big issue because I have an event listener that sometimes works and other does not and I really do not know what is going on, hope someone can help me understand what is going on.
here is the code for my php form
...ANSWER
Answered 2020-Oct-11 at 14:39You are binding the submit event to a hidden input not the form.
QUESTION
OS:Ubuntu 20 python: 3.8.2 IDE:Pycharm CE
Generally speaking, situation is that I can import dbus in terminal via /usr/bin/python3, but I have to init my project in pycharm and tried to build a venv, which is based on interpreter(/usr/bin/python3).
However, in pycharm's terminal(venv activated), I failed to import dbus. But if I choose system interpreter directly without venv, everything is ok.
Already tried to copy dbus folder from system package root to venv but no effort. Don't think reinstall dbus-python can resolve this problem because it works fine in real-envi, and I've installed dbus-python in venv already.
Just wondering why... cause it's still a little trouble without venv.
...ANSWER
Answered 2020-Sep-17 at 10:23There is a requirement with dbus-python to create the Python virtual environment with the --system-site-packages
because it is dependent on packages installed with a system package manager.
In Pycharm it means checking the Inherit global site-packages
box when creating the virtual environment.
You could look at using a different Python D-Bus binding that don't have the same dependency such as pydbus.
QUESTION
I'm trying to deploy my application to a production environment, but having some trouble wiring it all together.
I've got a create-react-app
for my frontend, which is served up by a simple express/serve server. On the backend, I've got NGINX
proxying successfully to my API server, which is using Apollo to serve my data. The API is running on port 4000.
The Apollo-Server is as-follows, and works fine:
...ANSWER
Answered 2020-Sep-14 at 04:04Adding it here, because the suggestion requires some code.
Try adding :
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