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php - How can I display subcategories of specific category id in a dropdown. Within laravel

So after figuring out how to display categories and sub categories in a dropdown. I have been trying to figure out if its ... {{$category -> name}}</option> @endforeach </select> &...

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

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vue.js - import custom worker into component vuejs with webpack dev-server (vue-cli-service)

In a vuejs application I need to read pdf file. I installed pdfjs-dist library. But this library need to ... worker-into-component-vuejs-with-webpack-dev-server-vue-cli-servi...

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

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spring mvc - How to inject Hibernate validator bean in Controller while unit testing?

I have controller with field Validator(hibernate-validator) public class AuthorController { @Autowired private ... hibernate-validator-bean-in-controller-while-unit-testing...

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visual studio code - Can I add a remote Python interpreter (via SSH) to a local VSCode environment (i.e. a hybrid local/remote SSH setup)?

I have VSCode set up with the "Remote - SSH" extension, and I am able to run a local VSCode window as the ... -a-remote-python-interpreter-via-ssh-to-a-local-vscode-environment-i...

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

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join - HQL: illegal attempt to dereference collection ManyToMany

I get HQL: illegal attempt to dereference collection exception when trying to execute the query below, ... /65927491/hql-illegal-attempt-to-dereference-collection-manytomany...

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I have worked on this issue and looked for similar threads but could not find any solution yet. I have ... a-column-value-by-subtracting-previous-running-total-from-current-row...

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blazor - Use different layout in lazy loaded assembly

I separated admin section of my Blazor WA app to own project. It's lazy loaded when user access the ... .com/questions/65927825/use-different-layout-in-lazy-loaded-assembly...

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

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python - count appearnce of multi-word substring in some text

So for a single word substring count in some text, I can use some_text.split().count(single_word_substring). How ... /65928241/count-appearnce-of-multi-word-substring-in-some-text...

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

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reactjs - Single custom hook for fetching weekly and monthly data

I'm calling an API (one url with different dates as query parameters) and I want to display weekly data ... /65929512/single-custom-hook-for-fetching-weekly-and-monthly-data...

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javascript - How can I clone a form and change the id of its inputs for 2,3 times?

I've been trying to clone an element of a form and change the id of its children. The thing I've not achieved is to ... clone-a-form-and-change-the-id-of-its-inputs-for-2-3-times...

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loops - Can I name files recursively in Stata?

I am creating 1 test file for each year from 2001 to 2010. I define some variables for my 2001 file, ... /stackoverflow.com/questions/65927622/can-i-name-files-recursively-in-stata...

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

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python - Pandas: What determines index order when creating a frame from a dict?

I'm wondering why the index in the below data frame is not sorted when created via a nested dict of dicts? ... pandas-what-determines-index-order-when-creating-a-frame-from-a-dict...

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

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c - Why does assignment persist outside of scope but declaration does not

I was wondering if someone could explain why the following behavior occurs in C. In the following I declare a ... -does-assignment-persist-outside-of-scope-but-declaration-does-not...

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

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c++ - header file for exporting class from shared library

I have built a shared lib (.so) that contains several classes. I now need to create the header file ... com/questions/65927753/header-file-for-exporting-class-from-shared-library...

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

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ruby on rails - Where is the NoMethodError?

I'm using Rails 6.0.3.4 and I can't find the "NoMethodError in Ga::Districts#index": undefined ... from:https://stackoverflow.com/questions/65927731/where-is-the-nomethoderror...

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

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Kubernetes operators

https://www.openshift.com/learn/topics/operators An Operator is a method of packaging, deploying and ... from:https://stackoverflow.com/questions/65929496/kubernetes-operators...

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

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python - How do I specify areas of 0 probability in a contour plot produced from a Gaussian process classifier?

I am applying a Gaussian process classifier via the following code. I then produce the figure seen below. My x_2 ... of-0-probability-in-a-contour-plot-produced-from-a-gaussi...

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

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Do c++ concepts cause template instantiations to be written to build output?

For libraries with many large and complex template instantiations, it seems to me that one of the major ... concepts-cause-template-instantiations-to-be-written-to-build-output...

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

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sql - Setting browser cookie value to a query or variable

Is there a way to read a value of a cookie with a SQL statement. URL: x.whatever.com I have an ... com/questions/65927650/setting-browser-cookie-value-to-a-query-or-variable...

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

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Can't find table on website when using JSoup

So I'm pretty new to getting information from websites with JSoup and I've run into a problem where I can ... .com/questions/65927592/cant-find-table-on-website-when-using-jsoup...

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

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javascript - How to get code from Facebook Authorization request?

I need to pass the Facebook Authorization code as a value to my back-end during a sign in. I've ... .com/questions/65928347/how-to-get-code-from-facebook-authorization-request...

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

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awk - Cross-reference multiple lists with master list to produce merged output with missing values as NA

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java - Given a stream with two objects, I want to get the max, but if they are equal I want null

Here's my try: Stream.of(Map.entry(Stone.WHITE, countIntersectionsOfColor(intersectionsSurroundingTerritory, Stone.WHITE)), Map.entry( ... to-get-the-max-but-if-they-are-equal-i...

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mongodb - Handling simultaneous client requests in Node/Express

I want to handle simultaneous user requests in my express server, and store data from them in a ... com/questions/65927794/handling-simultaneous-client-requests-in-node-express...

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

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Firebase/Firestore: Value of type 'DocumentReference' has no member 'get'

I am trying to access a document and get value from the fields so I can login as a user and ... 65929339/firebase-firestore-value-of-type-documentreference-has-no-member-get...

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

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node.js - SQL query to PostgeSQL tables

This question already has answers here: question from:https://stackoverflow.com/questions/65927588/sql-query-to-postgesql-tables...

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

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security - Credentials in the realms export data of keyCloak

As per my understanding , we can do import or export realms data of keycloak by specifying some java opts ... /questions/65929290/credentials-in-the-realms-export-data-of-keycloak...

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

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javascript - Angular Firebase query is executed multiple times

I currently have a bug within my project where my Firebase queries are being executed multiple times. This ... /questions/65927764/angular-firebase-query-is-executed-multiple-times...

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

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