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flutter - Failed assertion: line 201 pos 16: 'create != null': is not true related to Authentication Provider

I'm getting the above error whenever my app first loads. It doesn't stop it from loading but I'd like to know ... assertion-line-201-pos-16-create-null-is-not-true-related-to-auth...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Sending requests with fetch/axios and avoid being detected as "bot"? (nodeJS)

I'm trying to get into web-scraping more deeply and I run into issues scarping a site, that seems to detect ... -requests-with-fetch-axios-and-avoid-being-detected-as-bot-nodejs...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - Updating React state after updating Mongo DB via Express endpoint

I have a React frontend that lists some activities, grouped by date into events. The user can click a button ... /updating-react-state-after-updating-mongo-db-via-express-endpoint...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Vuex sore lost when manually navigate vue-router route

ONLY ON SAFARI BROWSER. When I manually write the url on navigation bar after logged in, ex: "http://x ... questions/65866023/vuex-sore-lost-when-manually-navigate-vue-router-route...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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flutter - How to replace initState in Stateful Widget with provider mode and replace stateless to stateful

How to use initState() in provider mode instead of using statefull widget, this is the provider class I have: ... -initstate-in-stateful-widget-with-provider-mode-and-replace-state...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache - PHP: Can't Set Open_basedir

I try to execute: var_dump(ini_set("open_basedir",ini_get("open_basedir"))); with PHP and get false. Apache 2 ... ://stackoverflow.com/questions/65865846/php-cant-set-open-basedir...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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api - connection failed while receiving data in flutter

I am working in flutter using flask API for getting requests. But while receiving data it throws the ... com/questions/65865547/connection-failed-while-receiving-data-in-flutter...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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powershell 2.0 - How to check files exist in today,s folder if existsexecute sql query using power shell script?

My requirement is How to verify x files are exist in today,s folder if exists or if not exists execute SQL query ... -exist-in-today-s-folder-if-existsexecute-sql-query-using-powe...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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csv - How do I get pandas.read_csv to interpret a null entry as integer 0?

With pandas.read_csv, I am reading a CSV which includes null entries, e.g., col1,col2,col3 2,3,4 8,,9 read_csv ... -i-get-pandas-read-csv-to-interpret-a-null-entry-as-integer-0...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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PayPal API endpoint to fetch Customers data

I am building an integration with PayPal REST API and looking to fetch Customers data of a merchant. From ... .com/questions/65865890/paypal-api-endpoint-to-fetch-customers-data...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Running powershell script through the system command - output creates a file that is empty

I am attempting to run a powershell script through the system command. This is the code I am using status ... -script-through-the-system-command-output-creates-a-file-tha...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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performance - Need help figuring out time complexity of this pseudocode

I am trying to figure out how many primitive operations there are in this code and how many primitive ... 65866356/need-help-figuring-out-time-complexity-of-this-pseudocode...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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dictionary - Quick-Dict or Hash-List : value by key and key by value?

Invented quick and dirty Hash-like using a list i.e. [ key1:val1,key2:val2, ....] I can get the keys and values ... /65866311/quick-dict-or-hash-list-value-by-key-and-key-by-value...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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xcode - In SwiftUI Textfield inside HStack which is inside VStack generates runtime Error in macOS

I'm working with Xcode 12.3 and MacOS 11.1. A Textfield is embedded in a HStack and this one is ... -swiftui-textfield-inside-hstack-which-is-inside-vstack-generates-runtime-erro...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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React Native error - Unable to resolve module `./tab-bar-item-ios`

Ive just upgraded react-native-vector-icons from version 7.1 to 8.0......and now Im getting the following ... 65865260/react-native-error-unable-to-resolve-module-tab-bar-item-ios...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mysql - Query in Wordpress of a Custom Post Type with the postmeta

I am trying to make a wordpress shortcode with a query. I have to make a query of how many orders were made ... 65865869/query-in-wordpress-of-a-custom-post-type-with-the-postmeta...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Octave: How to assign the right dimensionality to an existing cell array to avoid "error: =: nonconformant arguments (op1 is 2x2x2, op2 is 2x2x2)"?

I am a beginner at Octave, that is why I will share something too obvious for the most. cell_arr = cell(2,2 ... to-assign-the-right-dimensionality-to-an-existing-cell-array-to-avoi...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Batch convert jpg to Google Docs in more than 6 minutes?

I've read an article in the link below: Batch convert jpg to Google Docs Batch convert jpg to Google Docs in ... 65865249/batch-convert-jpg-to-google-docs-in-more-than-6-minutes...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - I am using following code.my server.js file is working fine but ContactForm is showing message "cannot post"

I am using following code using react js, Nodemailer.my server.js file is working fine and sending email but whenever I ... -my-server-js-file-is-working-fine-but-contactform-is-s...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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optimization - I can not reach the array' s previous iteration values in OPL Script

I have a MIP model in CPlex. In each iteration I use different .dat files and solve the problem. I hold the ... -can-not-reach-the-array-s-previous-iteration-values-in-opl-script...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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extjs - Ext JS - how to preview local video file?

Playing video from given url in extjs is quite easy: Ext.application({ name : 'Fiddle', launch : function() { ... .com/questions/65865914/ext-js-how-to-preview-local-video-file...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - HttpResponse.notFound with error message in Micronaut

I have a simple Rest API where it checks the category id is present or not in the database as ... .com/questions/65865503/httpresponse-notfound-with-error-message-in-micronaut...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Access Route Parameter from Blazor Navmenu

I have a dropdown in the NavMenu, whose selected value is passed in as a route parameter to all ... stackoverflow.com/questions/65865265/access-route-parameter-from-blazor-navmenu...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How would you reduce this array? (Read description for more info)

My mind is boggled, maybe because i've been stuck on this issue for a bit. I have an array (redacted for ... 65865752/how-would-you-reduce-this-array-read-description-for-more-info...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Django static file not working properly in production

This is the first time to deploy a project for development. Here are the steps that I have made to ... com/questions/65865683/django-static-file-not-working-properly-in-production...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - Install yarn global on Docker file

I'm trying to get a global package recognized by yarn and the docker image. FROM ruby:2.7.2 RUN apt- ... ://stackoverflow.com/questions/65865361/install-yarn-global-on-docker-file...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - PdfBoxRenderer with custom width and height

I am having html content store as a raw string in my database and I like to print it in pdf, ... //stackoverflow.com/questions/65866039/pdfboxrenderer-with-custom-width-and-height...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Best architecture for Kafka consumer

Closed. This question is opinion-based. It is not currently accepting answers. question from:https://stackoverflow.com/questions/65865284/best-architecture-for-kafka-consumer...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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