lagom | simplistic presentation generator

 by   reimertz JavaScript Version: Current License: MIT

kandi X-RAY | lagom Summary

kandi X-RAY | lagom Summary

lagom is a JavaScript library. lagom has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can install using 'npm i lagom' or download it from GitHub, npm.

Ease: lagom create and you have created a folder with a presentation in it. Simplicity: one , one slide. Maintainable: lagom server boots up your presentation in the browser. it comes with livereloading for easy edits. Magic: lagom deploy will inline all the content of the presentation into one single file, deploy it freely and anonymously on github and finally generate a short url.
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            kandi-support Support

              lagom has a low active ecosystem.
              It has 201 star(s) with 18 fork(s). There are 11 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 7 open issues and 7 have been closed. On average issues are closed in 18 days. There are 11 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of lagom is current.

            kandi-Quality Quality

              lagom has 0 bugs and 0 code smells.

            kandi-Security Security

              lagom has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              lagom code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              lagom is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              lagom releases are not available. You will need to build from source code and install.
              Deployable package is available in npm.
              Installation instructions are not available. Examples and code snippets are available.

            Top functions reviewed by kandi - BETA

            kandi has reviewed lagom and discovered the below as its top functions. This is intended to give you an instant insight into lagom implemented functionality, and help decide if they suit your requirements.
            • Create a Lorem gist .
            • Fetch content
            • shortens a gist URL
            • Check response .
            • Construct a mousedown handler
            • Finds a DOM element
            • Numeral
            • float number
            • sorts an array
            • turns an array into an array
            Get all kandi verified functions for this library.

            lagom Key Features

            No Key Features are available at this moment for lagom.

            lagom Examples and Code Snippets

            No Code Snippets are available at this moment for lagom.

            Community Discussions

            QUESTION

            Cannot clone remote git repo via ssh
            Asked 2021-Nov-06 at 22:50

            New installed Windows 11,created key pair with ssh-keygen -t rsa -C "my@email.com" command and uploaded the content in id_rsa.pub file to the git server, then run git clone git@server:user/repo in windows terminal powershell , then I got the note of Permission denied.

            • I have confirmed the public key I uploaded is correct, and the private key file can be correctly access from git bash, cygwin terminal and windows terminal powershell.

            • I tried to delete the key pair and regenerate one then upload, which is helpless.

            • I tried to change a git server including coding.net, gitee.com and github.com, and the reports are the same.(with Permission denied)

            • I confirm that the remote git repo is existent.

            • I confirm that I can correctly access the git repo via https and username-password authentication.

            • I tried clone the repo on my mac or linux, and they are ok.

            After I searched some posts on this site, I tried ssh -v git@gitee.com, then got the report below:

            ...

            ANSWER

            Answered 2021-Nov-06 at 22:50

            Hi username! You've successfully authenticated, but GITEE.COM does not provide shell access.

            Your keydoes work for basic authentication, but you are still unable to clone username/demo-repo.git (assuming that "username" is the same one as in the Hi username! message)

            As I mentioned before, you might need to create a ed25519 key instead:

            Source https://stackoverflow.com/questions/69865653

            QUESTION

            Difference between Lagom and Akka Projection
            Asked 2021-Nov-03 at 02:20

            Reading on Akka Projection project I can't get rid of the feeling that it serves the same purpose as Lagom (framework for building actor based reactive microservices).

            Other similarities:

            • Same company behind them
            • Same implementation principles (and often classes)
            • Same modules (Kafka, Event Journalization, Persistence etc.)

            Some differences:

            • Release cycles
              • Lagom got last release in April, before that in November 2020
              • Akka Projection 6 days ago, before that in May 2021
            • Akka Projection is designed for Lightbend's PAAS? They link to Akka Platform in the start guide
              • this is optional for Lagom
            • Service endpoint implementation

            All of this not to mention Akka Serverless which is a PAAS only that takes care of the following logic:

            • persistence
            • clustering
            • sharding

            ...but relies on the same programming and design model.

            Maybe someone more knowledgeable/with more insights could explain what is the relationship if any? Is one product being gradually abandoned in favour of the other (in which case it would be nice to let the community know)? If yes, is this due to the shift of Lightbend's business model? Knowing this is important before taking technical decisions about using either of the two products.

            ...

            ANSWER

            Answered 2021-Nov-03 at 02:20

            Lagom is an opinionated framework on top of Akka, especially around Cluster Sharding and Persistence (as well as a means to define HTTP interactions similarly to Play, and a defined approach to dependency injection). It included, in its ReadSideProcessor an opinionated way to project an event stream from persistence for CQRS.

            Many recent advances in Akka are partially based on incorporating some learning from Lagom around being more opinionated. Projection brings something similar though more general (as it can project, e.g. events from Kafka) to the ReadSideProcessor to Akka; it may be noteworthy that Projection is largely the work of one of the core maintainers of Lagom.

            I wouldn't really categorize Akka Platform as a PaaS, but more of an alternative pricing/consumption model for a subset of the "Lightbend Subscription" (Akka Platform is usage-based without as much of a consulting-type arrangement; the Subscription's pricing might fairly be described as "if you have to ask how much it costs, you probably can't afford it", but it does include some level of consulting engagement from a group that really knows the Akka/Lagom/Play stack). Otherwise the Akka Platform is Akka.

            Akka Serverless's PaaS is Akka under the hood, but the Akka-ness is hidden (for better or for worse) behind a gRPC API. As in Lagom, you're defining domain entities' behavior and a framework layer is manifesting that as an Akka actor; Akka Serverless more strictly separates that manifestation than Lagom (it's quite possible and sometimes even useful in Lagom to strip away the Lagom veneer to expose more Akka), but that in turn allows the behavior to be defined in any language that can speak gRPC.

            I can't speculate on what the future holds. Akka itself is pure open source (and not a small portion of its contributors aren't employed by Lightbend): so it's somewhat immune from whatever happens with Lightbend (the scope of the commercial add-ons has also decreased over the years, most notably with the multi-region persistence and the split-brain resolver being open-sourced). There are use cases for Akka that will probably never effectively be useful in Akka Serverless. As for Lagom, it's possible that it's achieved its goals and will be considered mature (joining various other microservice-first frameworks).

            I personally would tend to use vanilla Akka: I'd consider the recommended Typed APIs (especially in Scala) to provide "just the right amount" of opinionation, albeit less than Lagom. Coming from a Scala background, the lack of DI is also appreciated. If you decide you want the commercial add-ons and are running in a public cloud on Kubernetes, then the Akka Platform is probably worth getting; for other deployments, the Subscription might be worth it.

            Source https://stackoverflow.com/questions/68927213

            QUESTION

            Lagom - Add header to response in service call composition
            Asked 2021-Sep-10 at 11:44

            i want to write code which will refresh cookie (via set-cookie http header) in Lagom.
            For clarification Cookie is an encoded string (for example AES).
            Lets take lagom service call composition for authentication from Implementing services and edit it

            ...

            ANSWER

            Answered 2021-Sep-10 at 11:44

            You can return the modified Header and the Response as a Tuple:

            Source https://stackoverflow.com/questions/68759287

            QUESTION

            play.application.loader [class java.lang.Class}] does not implement interface play.api.ApplicationLoader or interface play.ApplicationLoader
            Asked 2021-Aug-10 at 04:04

            My service is running fine until I hit api endpoint request with this error-

            ...

            ANSWER

            Answered 2021-Aug-10 at 04:04

            You should set play.application.loader to the name of your loader class, rather than your persistent entity class:

            Source https://stackoverflow.com/questions/68712615

            QUESTION

            In lagom: on increasing concurrent http calls, thread count (akka.actor.default-dispatcher) keeps increasing. How to control this behaviour?
            Asked 2021-Apr-12 at 06:51

            We observe that on increasing concurrent http calls to our service, thread count (akka.actor.default-dispatcher) keeps increasing (see screenshot from visualVM). Also after the requests stop, the thread count don’t go down. And most of these remain in PARK state. Is this proportional increase of threads an expected behaviour? How do we control this and reuse the same actors or kill the actors after request has been served.

            I’m running the shopping-cart example from lagom-samples.

            ...

            ANSWER

            Answered 2021-Apr-12 at 06:51

            Are you blocking in your calls? Eg, are you calling Thread.sleep? Or using some synchronous IO? If so, then what you're seeing is entirely expected.

            Lagom is an asynchronous framework. All the IO and inter-service communication mechanisms it provides are non blocking. Its thread pools a tuned for non blocking. If you only using non blocking calls, you will see the thread pools behave with very low thread counts, and you won't find things going unresponsive.

            But the moment you start blocking, all bets are off. Blocking requires one thread per request.

            The default dispatcher that Akka uses is a fork join pool. It is designed for asynchronous use. If you block in a thread in its pool, it will start another thread to ensure other tasks can continue. So, that's why you see the thread pool grow. Don't block, and this won't happen.

            The thread pool executor on the other hand uses a fixed number of threads. If you block on this, then you risk deadlocking the entire application. Don't block, and this won't happen.

            Source https://stackoverflow.com/questions/66939447

            QUESTION

            akka.pattern.AskTimeoutException is thrown while persisting an event
            Asked 2020-Aug-31 at 21:31

            I just started with Lagom & Akka. I am following the design decribed in Domain Modelling with Akka Persistence Typed

            I am trying to create a brand new instance of an entity (EntityState). But the event is not getting persisted, and I am getting the following error:

            ...

            ANSWER

            Answered 2020-Aug-31 at 21:31

            It seems that the real cause for the exception was because I should have added logic for handling the event as follows: in helloEvents(), I needed to add logic similar to the following:

            Source https://stackoverflow.com/questions/63622186

            QUESTION

            Slick PostgreSQL Integration
            Asked 2020-Jul-30 at 09:19

            I'm new to scala and I'm trying to integrate a PostgreSQL database to a Lagom application written in scala.I'm trying to utilise the persistence API of Lagom. Lagom has inbuilt support for slick.

            My table has 3 fields id of type int, name of type string, data of type jsonb

            Since Slick doesn't support json format I'm trying to use slick-pg .

            Below is my implementation

            My custom profile class

            ...

            ANSWER

            Answered 2020-Jul-27 at 09:59

            Your object CustomPostgresProfile extends PostgresProfile instead of CustomPostgresProfile. If you fix that, it works.

            Source https://stackoverflow.com/questions/63109364

            QUESTION

            How to write logs to a file in a lagom application
            Asked 2020-May-30 at 06:03

            As part of deploying my lagom application to the kubernetes production environment, I am trying to publish all my logs to a file besides writing to the standard output. For this I created a logback.xml under resources directory adding file appender as per suggestion here.

            ...

            ANSWER

            Answered 2020-May-30 at 06:03

            Writing to a file in a container is bad for two reasons: 1. Logs are available only within the container i.e.,would require to get into the container to see the logs 2. They are not available via kubectl log command 3. They are ephemeral in nature i.e., if container crashes, logs will disappear

            Instead writing to STDOUT and STDERR is considered as best practise in a container environment. The logs written to STDOUT and STDERR are redirected by docker engine to a location in the node (/var/log/containers/). Moreover, these logs are also available via kubectl logs command.

            Practically logs are not even preserved at even a node but are instead moved to a central logging system. You can read more about it here.

            Source https://stackoverflow.com/questions/62024850

            QUESTION

            How to setup a domain model with Lagom?
            Asked 2020-May-11 at 07:35

            I'm currently trying to build an application that handles personal finances. I'm struggling with Lagom ways of doing because I can't find any example of "real" application built with Lagom. I have to guess what are best practises and I'm constantly afraid of falling into pitfalls.

            My case is the following: I have Users, Accounts and Transactions. Accounts belong to users but can be "shared" between them (with some sort of authorization system, one user is admin and other can read or edit the account). Transactions have an optional "debit" account, an optional "credit" account and an amount which is always positive.

            The scenarios I was considering are the followings:

            1. I consider that transactions belong to accounts and are parts of the account entity as a list of entries. In that scenario, a transfert transaction must have a "sister" entry in the other account. This seems easy to implement but I'm concerned by :
              • the potential size of the entity (and the snapshots). What happen if I have accounts that contain thousands of ten of thousands of transactions?
              • the duplication of the transaction in several accounts.
            2. I consider that transactions have their own service. I that case I can use Kafka to publish events when transactions are recorded so the Account entity can "update" it's balance. In that case does it make sense to have a "balance" property in the entity or a read-side event listener for transaction events that update the read-database?
            3. I can have two Persistent Entities in the same service but in that case I'm struggling with the read-side. Let say I have a transaction, I want to insert into the "transactions" table and update the "accounts" table. Should I have multiple read-side processors that listen to different events but write in the same db?

            What do you think?

            ...

            ANSWER

            Answered 2020-May-11 at 07:35

            I think that you shouldn't have a different entity 'Transactions' because it is tightly coupled to the account entity, in fact, the transactions of an account is no more than the event log of this account. So I recommend persisting the balance with a unique transaction id and the id of the other account when it is a transfer transaction, and make the read processor to listen the events of the account changes to store them in the read model.

            Doing this, a transfer is just a message between the two accounts that results in a modification of the balance that later will be persistent as part of the event log of each of them. This way seems more natural and you don't have to manage a sepparate aggregate root that, in addition, is tightly coupled to the account entities.

            Source https://stackoverflow.com/questions/61711983

            QUESTION

            Gradle Build File org.openapi.generator openApiGenerate Listing Generators openApiGenerators No Output No Error
            Asked 2020-May-08 at 21:36

            I have the following configuration in my build.gradle file

            ...

            ANSWER

            Answered 2020-May-08 at 21:36

            I was calling the wrong method. The openApiGenerators just list the generators which is what it was doing. To generate the output, you have to call the task created above openApiGenerate. Thanks @philonous for the answer.

            Source https://stackoverflow.com/questions/61687998

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install lagom

            You can install using 'npm i lagom' or download it from GitHub, npm.

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