# Solid App Development FAQs **URL:** https://forum.solidproject.org/c/build-a-solid-app/solid-app-development-faqs/6.md?page=2 [Latest](https://forum.solidproject.org/latest.md) · [Categories](https://forum.solidproject.org/categories.md) · [Tags](https://forum.solidproject.org/tags.md) **Page:** 3 --- ## [How to manipulate private data using Shighl](https://forum.solidproject.org/t/how-to-manipulate-private-data-using-shighl/3943)
**Author:** [@KyoSch](https://forum.solidproject.org/u/KyoSch)\ **Replies:** 8\ **Last updated:** [February 12, 2021, 5:04pm UTC](https://forum.solidproject.org/t/how-to-manipulate-private-data-using-shighl/3943 "2021-02-12T17:04:06Z")
As a project for school, I am creating a web app using Solid/Shighl. I have no experience using either, but Shighl looks like the easier to use JS solution. I understand most examples of Shighl, but I have no clue how I… --- ## [Data Modeling using Pods \[Support for Subsidiary Ledgers and Business Documents\]](https://forum.solidproject.org/t/data-modeling-using-pods-support-for-subsidiary-ledgers-and-business-documents/3845)
**Author:** [@mwherman](https://forum.solidproject.org/u/mwherman)\ **Replies:** 0\ **Last updated:** [January 24, 2021, 4:05pm UTC](https://forum.solidproject.org/t/data-modeling-using-pods-support-for-subsidiary-ledgers-and-business-documents/3845 "2021-01-24T16:05:54Z")
Context This is partly a user experience issue/question dealing with the ability to project/support: some sort of automatic decentralized registry where I can find all of my pods (something like this experience in Gro… --- ## [Blazor:Solid integration?](https://forum.solidproject.org/t/blazor-solid-integration/3793)
**Author:** [@mwherman](https://forum.solidproject.org/u/mwherman)\ **Replies:** 0\ **Last updated:** [January 14, 2021, 1:51am UTC](https://forum.solidproject.org/t/blazor-solid-integration/3793 "2021-01-14T01:51:11Z")
Has anyone been successful integrating a Blazor web front end with a Solid backend? …preferably using the Server hosting model but the Blazer WebAssembly hosting model would be interesting too (but more complicated). I… --- ## [Providing Solid as an opt-in alternative](https://forum.solidproject.org/t/providing-solid-as-an-opt-in-alternative/3600)
**Author:** [@Parakoos](https://forum.solidproject.org/u/Parakoos)\ **Replies:** 6\ **Last updated:** [November 25, 2020, 12:04am UTC](https://forum.solidproject.org/t/providing-solid-as-an-opt-in-alternative/3600 "2020-11-25T00:04:14Z")
Hello, I’m the developer behind Phojo, a daily photo journal. I currently use Google’s Firestore as the database and Google Storage for storing photo files, but I am considering incorporating Solid as an opt-in feature … --- ## [Solid App development in Java (JVM) or other ecosystems?](https://forum.solidproject.org/t/solid-app-development-in-java-jvm-or-other-ecosystems/221)
**Author:** [@labra](https://forum.solidproject.org/u/labra)\ **Replies:** 9\ **Last updated:** [November 7, 2020, 5:45am UTC](https://forum.solidproject.org/t/solid-app-development-in-java-jvm-or-other-ecosystems/221 "2020-11-07T05:45:56Z")
I would like to know if there is any attempt or project to develop a Solid pod in the Java or JVM ecosystem (Scala or similar languages). Looking at some old references like this paper: http://ds.qcri.org/publications/2… --- ## [How would I use Solid in a Java/Scala application](https://forum.solidproject.org/t/how-would-i-use-solid-in-a-java-scala-application/2991)
**Author:** [@hughgearse](https://forum.solidproject.org/u/hughgearse)\ **Replies:** 31\ **Last updated:** [November 4, 2020, 8:52am UTC](https://forum.solidproject.org/t/how-would-i-use-solid-in-a-java-scala-application/2991 "2020-11-04T08:52:28Z")
Hi I am writing an App that is written in Scala. As far as I am aware there are no tools available for authenticating a user that are not browser based? I am guessing I could use the Apache Jena library for manipulating… --- ## [When a Solid Pod meet a SemApps instance and a Startinblox one](https://forum.solidproject.org/t/when-a-solid-pod-meet-a-semapps-instance-and-a-startinblox-one/3469)
**Author:** [@Smag0](https://forum.solidproject.org/u/Smag0)\ **Replies:** 4\ **Last updated:** [October 18, 2020, 4:05pm UTC](https://forum.solidproject.org/t/when-a-solid-pod-meet-a-semapps-instance-and-a-startinblox-one/3469 "2020-10-18T16:05:34Z")
https://scenaristeur.github.io/solid-vue-panes/semapps --- ## [Error 403 for PATCH after creating document ACL](https://forum.solidproject.org/t/error-403-for-patch-after-creating-document-acl/3426)
**Author:** [@FlorSanders](https://forum.solidproject.org/u/FlorSanders)\ **Replies:** 9\ **Last updated:** [September 4, 2020, 3:24pm UTC](https://forum.solidproject.org/t/error-403-for-patch-after-creating-document-acl/3426 "2020-09-04T15:24:10Z")
Hi I’m working on a project where I need to change the ACL for some files and I’ve run into an issue, hoping I can find some help here in debugging it because I can’t seem to find where it goes wrong. I have a script r… --- ## [Storage of application-specific settings](https://forum.solidproject.org/t/storage-of-application-specific-settings/532)
**Author:** [@pheyvaer](https://forum.solidproject.org/u/pheyvaer)\ **Replies:** 10\ **Last updated:** [February 6, 2019, 5:57pm UTC](https://forum.solidproject.org/t/storage-of-application-specific-settings/532 "2019-02-06T17:57:52Z")
Are there any suggestions/guidelines regarding where to store application-specific settings for a user on his/her POD? For example, the theme of an application, the size of the font used, and the language. Is this also d… --- ## [State of the art for querying large containers](https://forum.solidproject.org/t/state-of-the-art-for-querying-large-containers/3320)
**Author:** [@NoelDeMartin](https://forum.solidproject.org/u/NoelDeMartin)\ **Replies:** 12\ **Last updated:** [August 2, 2020, 11:04am UTC](https://forum.solidproject.org/t/state-of-the-art-for-querying-large-containers/3320 "2020-08-02T11:04:01Z")
Hi there, I just finished the first version of a Solid app for tracking movies that I’ve been working on. I’ll post about that next week, but now I’d like to discuss on the state of the art for querying large containers… --- ## [Using Solid to power a "community hub" website - does this fit the Solid use case?](https://forum.solidproject.org/t/using-solid-to-power-a-community-hub-website-does-this-fit-the-solid-use-case/3311)
**Author:** [@BirdOfPraise](https://forum.solidproject.org/u/BirdOfPraise)\ **Replies:** 3\ **Last updated:** [July 21, 2020, 7:35am UTC](https://forum.solidproject.org/t/using-solid-to-power-a-community-hub-website-does-this-fit-the-solid-use-case/3311 "2020-07-21T07:35:50Z")
Hi all, I’m investigating Solid as a potential tool for the following: A platform that provides websites for virtual research groups, where members contribute data, articles and media about a particular topic, which are… --- ## [App generator litelement](https://forum.solidproject.org/t/app-generator-litelement/3242)
**Author:** [@Smag0](https://forum.solidproject.org/u/Smag0)\ **Replies:** 0\ **Last updated:** [June 23, 2020, 9:10pm UTC](https://forum.solidproject.org/t/app-generator-litelement/3242 "2020-06-23T21:10:45Z")
As the @inrupt/solid-generator-react and and solid-generator-angular, I build one with litelement if someone want to give it a try --- ## [Using acl files to define access rights](https://forum.solidproject.org/t/using-acl-files-to-define-access-rights/3121)
**Author:** [@terraventuras](https://forum.solidproject.org/u/terraventuras)\ **Replies:** 8\ **Last updated:** [June 18, 2020, 12:49pm UTC](https://forum.solidproject.org/t/using-acl-files-to-define-access-rights/3121 "2020-06-18T12:49:35Z")
I am working on a app where I want to share resources with other people. For this, I created a new folder which is to contain my shared triples in /private/data. I managed to create an .acl file on /private/data/.acl an… --- ## [Need help getting started on app development for SOLID](https://forum.solidproject.org/t/need-help-getting-started-on-app-development-for-solid/3166)
**Author:** [@julien\_leicher](https://forum.solidproject.org/u/julien_leicher)\ **Replies:** 17\ **Last updated:** [June 5, 2020, 2:32pm UTC](https://forum.solidproject.org/t/need-help-getting-started-on-app-development-for-solid/3166 "2020-06-05T14:32:04Z")
Hi there! I’m a french software developer for almost 8 years and I’ve been trying to get my head around Linked Data and SOLID recently. I’ve read a lot of specs and think it’s time to write some apps to get a feel of how… --- ## [Solid Outbox - how to keep track of sent messages](https://forum.solidproject.org/t/solid-outbox-how-to-keep-track-of-sent-messages/3130)
**Author:** [@aveltens](https://forum.solidproject.org/u/aveltens)\ **Replies:** 5\ **Last updated:** [June 1, 2020, 10:39am UTC](https://forum.solidproject.org/t/solid-outbox-how-to-keep-track-of-sent-messages/3130 "2020-06-01T10:39:48Z")
How can I keep track of messages I sent to someone else’s inbox? As far as I know we do not have something like an outbox in Solid / LDP. E.g. in Solid Groups I am sending join requests to the group’s inbox. I want to … --- ## [How to give other users access to parts of a user's POD](https://forum.solidproject.org/t/how-to-give-other-users-access-to-parts-of-a-users-pod/3086)
**Author:** [@hughgearse](https://forum.solidproject.org/u/hughgearse)\ **Replies:** 9\ **Last updated:** [May 22, 2020, 11:47am UTC](https://forum.solidproject.org/t/how-to-give-other-users-access-to-parts-of-a-users-pod/3086 "2020-05-22T11:47:50Z")
Hi I am wondering what is the recommended approach to allowing a user to share parts of their POD with other users. As a concrete example - say we have an app for managing a user’s music library. The User might want to… --- ## [What is required to make changes to an acl file](https://forum.solidproject.org/t/what-is-required-to-make-changes-to-an-acl-file/3057)
**Author:** [@hughgearse](https://forum.solidproject.org/u/hughgearse)\ **Replies:** 6\ **Last updated:** [May 17, 2020, 9:39am UTC](https://forum.solidproject.org/t/what-is-required-to-make-changes-to-an-acl-file/3057 "2020-05-17T09:39:17Z")
Hi I want my solid app to create a folder and then change the acl file allow other solid users access. I create the folder and then access the Link header which gives me the name “.acl”. But when I try to create this fi… --- ## [How can I listen for new messages in my Inbox](https://forum.solidproject.org/t/how-can-i-listen-for-new-messages-in-my-inbox/3043)
**Author:** [@hughgearse](https://forum.solidproject.org/u/hughgearse)\ **Replies:** 9\ **Last updated:** [May 14, 2020, 2:05pm UTC](https://forum.solidproject.org/t/how-can-i-listen-for-new-messages-in-my-inbox/3043 "2020-05-14T14:05:27Z")
I want to listen for new messages in my inbox. I have tried doing the following (for a hypothetical “user1”): Open a web socket at “wss://user1.solid.community” Send the following string: “sub https://user1.solid.commun… --- ## [Can multiple users read and write to a common document](https://forum.solidproject.org/t/can-multiple-users-read-and-write-to-a-common-document/3049)
**Author:** [@hughgearse](https://forum.solidproject.org/u/hughgearse)\ **Replies:** 1\ **Last updated:** [May 14, 2020, 1:50pm UTC](https://forum.solidproject.org/t/can-multiple-users-read-and-write-to-a-common-document/3049 "2020-05-14T13:50:23Z")
Hi I want to share data between many different users. The task would be simplified if all the users could read and write to the same document. But I don’t know of any way I can write to another user’s POD so is this app… --- ## [How should embedded entities be declared in the Type Index Registry?](https://forum.solidproject.org/t/how-should-embedded-entities-be-declared-in-the-type-index-registry/3023)
**Author:** [@NoelDeMartin](https://forum.solidproject.org/u/NoelDeMartin)\ **Replies:** 35\ **Last updated:** [May 11, 2020, 6:50am UTC](https://forum.solidproject.org/t/how-should-embedded-entities-be-declared-in-the-type-index-registry/3023 "2020-05-11T06:50:54Z")
I am developing an application that creates embedded entities, and I’m unsure how to declare these in the type index registry. Maybe “embedded” is not the correct nomenclature for this, please correct me if there is a s… --- ## [Question regarding the Tripledoc](https://forum.solidproject.org/t/question-regarding-the-tripledoc/3017)
**Author:** [@hughgearse](https://forum.solidproject.org/u/hughgearse)\ **Replies:** 2\ **Last updated:** [May 7, 2020, 4:25pm UTC](https://forum.solidproject.org/t/question-regarding-the-tripledoc/3017 "2020-05-07T16:25:06Z")
Hi I have been looking over the Tripledoc solid tutorial which I’ve found very instructive (wish I had found this earlier!). But I am a little unsure about something in Step 4. To check if the Document tracking our not… --- ## [Sharing files in private folders programmatically (React/JavaScript)](https://forum.solidproject.org/t/sharing-files-in-private-folders-programmatically-react-javascript/1347)
**Author:** [@aorumbayev](https://forum.solidproject.org/u/aorumbayev)\ **Replies:** 3\ **Last updated:** [May 1, 2020, 12:24pm UTC](https://forum.solidproject.org/t/sharing-files-in-private-folders-programmatically-react-javascript/1347 "2020-05-01T12:24:46Z")
Hello to all members of SOLID Community ! :slight\_smile: I have a question on SOLID file sharing, any references are welcome! Basically, assume a simple use-case described as follows: Given a private folder that conta… --- ## [Web components and Solid](https://forum.solidproject.org/t/web-components-and-solid/1390)
**Author:** [@akuckartz](https://forum.solidproject.org/u/akuckartz)\ **Replies:** 2\ **Last updated:** [April 26, 2020, 7:25pm UTC](https://forum.solidproject.org/t/web-components-and-solid/1390 "2020-04-26T19:25:57Z")
Is anybody creating or using Web Components with Solid? --- ## [How a SOLID app can have persistent access to all the pods of the users who registered to the app?](https://forum.solidproject.org/t/how-a-solid-app-can-have-persistent-access-to-all-the-pods-of-the-users-who-registered-to-the-app/2880)
**Author:** [@walter.almeida](https://forum.solidproject.org/u/walter.almeida)\ **Replies:** 24\ **Last updated:** [April 25, 2020, 2:07pm UTC](https://forum.solidproject.org/t/how-a-solid-app-can-have-persistent-access-to-all-the-pods-of-the-users-who-registered-to-the-app/2880 "2020-04-25T14:07:00Z")
I have a server application, where a user can register and create a list of favorite places. This user can invite friends to see his favorite places. Let’s call it PlaceBook. First time a user connects to the app, he l… --- ## [Problem with ProviderLogin](https://forum.solidproject.org/t/problem-with-providerlogin/2935)
**Author:** [@PabloCanalSuarez](https://forum.solidproject.org/u/PabloCanalSuarez)\ **Replies:** 4\ **Last updated:** [April 25, 2020, 1:34pm UTC](https://forum.solidproject.org/t/problem-with-providerlogin/2935 "2020-04-25T13:34:02Z")
Hi, I’m developing an application with React, and I’m trying to use the ProviderLogin component of inrupt/solid-react-components as the way of authentication. I’ve managed to include this new component in the application… --- ## [How to discover ACL document of a resource using common libs](https://forum.solidproject.org/t/how-to-discover-acl-document-of-a-resource-using-common-libs/2929)
**Author:** [@aveltens](https://forum.solidproject.org/u/aveltens)\ **Replies:** 4\ **Last updated:** [April 20, 2020, 6:42am UTC](https://forum.solidproject.org/t/how-to-discover-acl-document-of-a-resource-using-common-libs/2929 "2020-04-20T06:42:30Z")
How can I find out the URI of the ACL document of a given resource? On HTTP level this means to look at the Link header rel="acl", but how can it be done using common libraries? solid ldflex: has an open issue about th… --- ## [RDF in Graphql in javascript](https://forum.solidproject.org/t/rdf-in-graphql-in-javascript/2790)
**Author:** [@tasnim](https://forum.solidproject.org/u/tasnim)\ **Replies:** 2\ **Last updated:** [March 25, 2020, 3:43pm UTC](https://forum.solidproject.org/t/rdf-in-graphql-in-javascript/2790 "2020-03-25T15:43:09Z")
Please i want your help , I spent a lot of time searching and asking, but I didn’t get an answer I hope for help I have a problem with my project GraphQl in javaScript that I want to link a file RDF with my code in G… --- ## [Is \`dct:references\` necessary to index Subjects in a Document?](https://forum.solidproject.org/t/is-dct-references-necessary-to-index-subjects-in-a-document/2595)
**Author:** [@Vincent](https://forum.solidproject.org/u/Vincent)\ **Replies:** 4\ **Last updated:** [February 2, 2020, 1:38pm UTC](https://forum.solidproject.org/t/is-dct-references-necessary-to-index-subjects-in-a-document/2595 "2020-02-02T13:38:53Z")
I noticed that when Markbook adds a new Subject representing a Bookmark, it also adds a link to that Subject from the Document itself using dct:references. So far when developing apps, I haven’t done that - I’ve just add… --- ## [App developers wanted](https://forum.solidproject.org/t/app-developers-wanted/1854)
**Author:** [@elasticheart](https://forum.solidproject.org/u/elasticheart)\ **Replies:** 1\ **Last updated:** [January 28, 2020, 2:19pm UTC](https://forum.solidproject.org/t/app-developers-wanted/1854 "2020-01-28T14:19:01Z")
Hi! I’m starting a project, it’s my first one, and I need some advices on hiring developpers. I’ve heard there are some nuances, so maybe someone enlighten me? --- ## [Listing using LDFlex](https://forum.solidproject.org/t/listing-using-ldflex/1874)
**Author:** [@akashdeep-singh](https://forum.solidproject.org/u/akashdeep-singh)\ **Replies:** 6\ **Last updated:** [January 16, 2020, 5:28pm UTC](https://forum.solidproject.org/t/listing-using-ldflex/1874 "2020-01-16T17:28:41Z")
Hi I’ve been playing with Query-LDFlex and one of my use cases is the one provided by globbing in the REST API. Assuming I have a container named /posts in my POD and this container contains resources matching /posts/p… [Previous page](https://forum.solidproject.org/c/build-a-solid-app/solid-app-development-faqs/6.md?page=1) [Next page](https://forum.solidproject.org/c/build-a-solid-app/solid-app-development-faqs/6.md?page=3)