Bridges | SwifQLNIO provider to Postgres and MySQL | Web Framework library
kandi X-RAY | Bridges Summary
kandi X-RAY | Bridges Summary
Work with Postgres and MySQL with SwifQL through their pure NIO drivers.
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Bridges Examples and Code Snippets
Lines of Code : 89
License : No License
Copystruct CreateUser: TableMigration {
/// set any custom name here
/// otherwise it will take the name of the migration struct (`CreateUser` in this case)
static var migrationName: String { "create_user_table" }
typealias Table = User
import Bridges
final class User: Table {
@Column("id")
var id: UUID
@Column("email")
var email: String
@Column("name")
var name: String
@Column("password")
var password: String
@Column("gender")
var gender // migrations.swift
import Vapor
import PostgresBridge
func migrations(_ app: Application) throws {
// create `migrations` object on your database connection
let migrator = app.postgres.migrator(for: .myDb1)
// Enums
migrator.add(C Community Discussions
Trending Discussions on Bridges
QUESTION
I am trying to get better understanding of Tarjan's algorithm for finding SCC, articulation points and bridges. I am considering a special case where the graph contains only 2 nodes with edges 0->1 and 1->0. The following code will output [0,1] as a bridge.
...ANSWER
Answered 2022-Apr-05 at 09:27A bridge in a directed graph is an edge whose deletion increases the graph's number of strongly connected components, and the number connected components when the graph is undirected. So when you remove any edge in your graph then the number of strongly connected components increases so the output of this code is correct in this case.
QUESTION
I would like to develop a smart contract for governing a medium sized online community. The contract may or may not have its own governance token and that's yet to be decided. There will be a web based front end but the members will be free to build their own front ends to interact with the contract.
This is an online community in a developing country so the gas fees in the local currency becomes quite significant and in many cases, unaffordable. That's the motivation for launching the project on a Testnet. The reason for using Ethereum is due to the large amount of developers, resources and community around it. Its easier for a novice like me to program on Ethereum.
Question1: Since this project doesn't involve any real money, can it reside on a Testnet permanently? If so, what would you recommend - Ropsten, Rinkeby or something else? What are the pitfalls in doing so?
Question2: Are there any bridges or APIs that enable a contract on a Testnet to communicate with a contract on Mainnet ? if so, can you provide any examples?
Thank you!
...ANSWER
Answered 2022-Apr-04 at 17:13Testnets can be reset any time, would not recommend using it for a real purpose.
You are not bound to mainnet/testnets to deploy a smart contract on ethereum. There are many EVM compatible chains that is far cheaper than mainnet.
QUESTION
In Hibernate Search 5 I had several custom bridges that populated the same field. That was handy so that I can perform a query on just one field. Now if I try to do it I receive this error:
...ANSWER
Answered 2022-Mar-31 at 07:10How can I reuse a field in several bridges in Hibernate Search 6?
At the moment, you cannot.
This limitation is a side effect from the (many) sanity checks that Hibernate Search 6 performs on startup, which prevent common mistakes and indirectly allow a more intuitive behavior in the Search DSL.
Your options are pretty much this:
- Either you refactor your bridges to regroup all code that contributes to the same field in a single bridge (either a
TypeBridge, or aPropertyBridgeapplied to a non-persisted getter that returns an aggregated list of all values you're interested in). - Or you change your bridges to each contribute to its own field, and change your search code to target all these fields at once; most (if not all) predicates allow targeting multiple fields in the same predicate.
The second solution is also the recommended way of indexing, since it produces more accurate relevance scores.
EDIT: If you go for solution 2, this (not yet implemented) feature might be of interest to you: https://hibernate.atlassian.net/browse/HSEARCH-3926
QUESTION
I have a application build with .NET Core. This application is very simple, but the problem is that I have to integrate a 2FA app (PingId) for double security instead of one simple Login. I am guided to use SAML, for building bridges between Service Provider and Identity Provider. I have found some solutions online, and one of them that is open source is itfoxtec.identity.saml2.
What I want to know is that, is there anyone who can clear the way how this works? I mean I cannot understand some url in appsetting.json file.
Here is a demo of this file:
https://github.com/ITfoxtec/ITfoxtec.Identity.Saml2/blob/master/test/TestWebAppCore/appsettings.json
For example IdPMetadata key is a xml file that has to be provided by Identity Provider administrator?
SigningCertificateFile is a generated certificate by my Service Provider app or is something builded inside the application, if that is how to generate it?
ANSWER
Answered 2022-Mar-30 at 19:38Yes, the identity provider (IdP) should expose a SAML 2.0 metadata endpoint, the URL is added in the IdPMetadata.
The TestIdPCore sample is for testing the samples and to show how to implement a SAML 2.0 based IdP.
Your application (relaying party RP) needs a certificate, which is e.g., added as a file in SigningCertificateFile.
QUESTION
I need to redirect any bridges.edu URLs to losangeles.bridges.edu EXCEPT for the www.bridges.edu itself, the wp-admin directory, and wp-login.php. The first objective (site redirect save for www.bridges.edu) works fine with following coding:
...ANSWER
Answered 2022-Mar-23 at 04:37You can use the following :
QUESTION
I create tools/bridges between my app/project and 3rd party integrations (like Mailchimp, Calendly a.o.) many of which have their own vendor folder with files.
A typical integration looks like this:
...ANSWER
Answered 2022-Mar-22 at 10:11It these are really completely independent tools, keep them separated, with their own discrete dependencies.
Trying to merge multiple composer.json files will take you down into dependency-hell, with different tools requiring incompatible dependencies and not being able to install/update.
And trying to have a single vendor for multiple projects will be a fool's errand, since many tools will use slightly different versions of the same dependencies.
The only reason to move everything to the same composer.json file is that if everything was actually one single project, and you need to guarantee a set of version constraints to keep the application working correctly
QUESTION
Abstract: I can connect a docker container to another container (that's in a docker-compose file) using a (custom) docker network, only with IP address. Using the container name as DNS results in "Bad gateway" error.
I am trying to make Grafana (as a docker-compose) work with a Prometheus (as a docker container). I connected the prometheus container to the network defined by the Grafana docker compose. This way, I can use the prometheus server as a datasource for Grafana, as long as I am using it's IP address. How can I make it work using DNS names? Using the container name as a DNS name results in a "Bad Gateway" error.
docker-compose.yml
...ANSWER
Answered 2022-Mar-18 at 08:41It turns out, that this doesn't work with docker generated names. The "practical_lalande" container name was generated by docker. Creating a container with a custom name with the "--name" option solves the problem.
QUESTION
I have just started using Docker as it has been recommended to me as something that makes development easy, but so far it has been nothing but pain. I have installed docker engine (v20.10.12) and docker composer (v 2.2.3) as per the documentation given by docker for Ubuntu OS. Both work as intended.
Whenever I new up a new container with docker compose, no matter the source, I have writing privilege issues to files generated by the docker container (for example a laravel application where I have used php artisan to create a controller file). I have so far pinpointed the issue to be as follows:
By default docker runs as root within the container. It "bridges" the root user to the root user on the local machine and uses root:root to create files on the Ubuntu filesystem (my workspace is placed in ~/workspace/laravel). Then when opening the files in an IDE (vscode in this instance) I get the error:
ANSWER
Answered 2022-Mar-15 at 15:27In general, this is not possible, but there are workarounds (I do not recommend them for production). The superuser UID is always 0, this is written in the kernel code. It is not possible to automatically change the ownership of non-root files. In this case, when developing, you can use these methods:
If superuser rights are not required: You can create users dynamically, then docker-compose.yml:
QUESTION
How to handle this scenario? Here is the property defined in my entity class
...ANSWER
Answered 2022-Mar-02 at 07:31Do I need to create two separate fields as shown in the documentation like:
Yes, indeed, you do.
If I tried this getting below exception:
Invalid value. Expected 'lowercaseWhitespaceAnalyzer', actual is 'null' field 'context': attribute 'type': failures: - Invalid value. Expected 'text', actual is 'keyword' attribute 'analyzer': failures: - Invalid value. Expected 'lowercaseWhitespaceAnalyzer', actual is 'null' field 'context_sort': failures: - Missing property mapping
If you look at the full context of this error (which you didn't include here), you'll notice it says something like "Elasticsearch schema validation failed".
In short, the schema of the index that already exists on Elasticsearch doesn't match what Hibernate Search needs to implement what you described with annotations.
You should drop the Elasticsearch schema and re-create it (you'll lose all indexed data and will need to reindex). You can do it manually, or you can let Hibernate Search do it for you; see this section of the documentation.
QUESTION
You are given a connected graph G and a series of edges S. One at a time, an edge from S is removed from G. You then check to see if G is still connected. If G is no longer connected, you return the edge. Otherwise, you remove the edge from the graph and continue.
My initial thought was to use Tarjan's bridge finding algorithm, which builds a DFS tree and then checks to see if a given vertex has a back-edge connecting one of its descendants to it or one of its ancestors. If it does not, then it is a bridge.
You can find all of the bridges in O(V+E) time while building the tree, but I am having problems adapting Tarjan's algorithm to account for deletions. Every time you delete an edge, the tree changes, and I am having trouble keeping the algorithm at O(V+E) time. Any thoughts?
...ANSWER
Answered 2022-Feb-15 at 21:22Find the bridge edges
FOR E in S
IF E is a bridge
STOP
remove E
IF E1 is disconnected ( zero edges on E1 )
STOP
IF E2 is disconnected
STOP
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