Reachability | Uniform Framework for Ad-hoc Indexes | Database library
kandi X-RAY | Reachability Summary
kandi X-RAY | Reachability Summary
The implementation for the paper "A Uniform Framework for Ad-hoc Indexes to Answer Reachability Queries on Large Graphs." Installing and Using autopart, index and query. 1.2 How to install. 1.2.2 Linux For Linux machines with gcc, the installation is similar to 1.2.1. 1.3 How to Use Make sure a folder with name "Indexes" has been put in the same path with the index.exe file. The folder "Indexes" is used to store the graph indexes in the disk. option: -q: the number of queries. 1:read the multiple index and do the query. 2: read the hopi index and do the query. 3: read the interval index and do the query. -g: input graph file name. -b maximum buffer size (Mega).
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Reachability Examples and Code Snippets
Lines of Code : 62License : Permissive (MIT License)
Copydef tarjan(g):
"""
Tarjan's algo for finding strongly connected components in a directed graph
Uses two main attributes of each node to track reachability, the index of that node
within a component(index), and the lowest index reacha 
License : No LicenseCopypublic static int reachAGivenScore(int n) {
int[][] dp = new int[4][n + 1];
int[] val = { 3, 5, 10 };
for (int i = 0; i < 3; i++) {
int x = val[i];
for (int j = 0; j <= n; j++) {
if(j == 0) {
dp[i][j] = 1;
}else if(i = Community Discussions
Trending Discussions on Reachability
QUESTION
Well, I think my title states what the problem is.
DontDestroyOnLoad(); is pointless to use, because "bs" objects are different in the scenes, and AD Initialization should be called once. I get no error in the console. Initialization works as expected. In summary, everything works as it should, when I enter the new scene Initialization works as expected but when I click the button for reward nothing happens. The same happens after Reloading the scene.
What should I do next?
...ANSWER
Answered 2022-Apr-01 at 19:21FIXED Code:
QUESTION
gcloud builds submitfailed for me yesterday.- Then I tried
gcloud config set project, that also failed. - So I thought login might have expired so tried
gcloud auth login.
In all cases, it always throws following error:
...ANSWER
Answered 2022-Feb-14 at 01:40This problem is with Airtel India ISP and not Google Cloud CLI. Use a VPN, and it will work.
QUESTION
I want to check the reachability of about 100 ips addresses and set a limit of concurrent tasks with semaphore. But now I'm not sure how this works exactly or why it doesn't work in the code example. As I could observe the function "task_reachable" is still executed correctly. if no address is reachable, then in the "try_ssh_connection" "all" tasks are executed in parallel and this makes the code incredibly slow.
...ANSWER
Answered 2022-Mar-22 at 14:05Your problem is each running instance of boundary_task has its own semaphore.
QUESTION
I was trying to generate the ipa file to upload it on App Store but unfortunately it failed and says "Encountered error while archiving for device". I also tried Archiving from Xcode but, the Archive failed there too. It is working great in ios simulator (13)
Failed to build iOS app Error output from Xcode build: ↳ ** ARCHIVE FAILED **
Xcode's output: Writing result bundle at path:
...ANSWER
Answered 2022-Feb-21 at 07:45The problem here is that the Podfile that Flutter template creates by default has no specific iOS version set unfortunately.
Do this to fix this problem:
- in
ios/folder of your project, open thePodfile. - At top of
Podfile, make sure this line is not commented out and change the iOS version to 12.0.
change from:
QUESTION
TL/DR
Trying to create a Lambda trigger on a AmazonMQ (RabbitMQ) queue, using private subnets and VPC endpoints does not work.
POC Goal
I'm doing this POC: An AmazonMQ (RabbitMQ) in a private subnet and a Lambda triggered by incoming messages to the queue.
Disclaimer
All I'll state here is what I'm learning, any correction will be appreciated.
On networking
Since Amazon MQ is an AWS-managed service, it runs in its own network. So, when we ask AWS to place the broker in a subnet a network interface is created for this broker in the subnet, giving the broker access and reachability in the subnet.
Something similar goes for Lambda, the network interface gives lambda access to the subnet. But to invoke this lambda, since the invoking endpoints live outside our subnet, there is a need of creating a VPC endpoint exposing the lambda endpoints inside the subnet.
The other option is to grant broker with public access (creating public nats) so the broker can reach the public lambda endpoints.
The problem
Simply it doesn't work with VPC endpoints option (it does with the public NATs).
Here is the code I'm using: https://gitlab.com/templates14/terraform-templates/-/tree/master/lambda_rabbitmq_trigger
If you want to test just change the AWS account here:
...ANSWER
Answered 2022-Feb-28 at 13:08As @jarmod mentioned (thanks for this), I missed the VPC endpoints for STS and SecretsManager.
Basically, the solution was ok, but this had to be added:
QUESTION
I'm new to JSON and PowerShell. I'm wanting to receive a JSON object from AWS that indicates a server instance's status, and then read that status property programmatically so I can execute different logic based upon whether or not the instance is running.
Here's my PowerShell script:
...ANSWER
Answered 2022-Jan-18 at 19:24According to the AWS CLI doc, the command aws ec2 describe-instance-status --instance-id ... already yields a Json, from what we can see on your code, you are capturing that Json on your $json variable and then converting it again to Json to then export it to a file and then read it back. Lastly, attempting to convert it from Json to a PowerShell object, however as explained before this doesn't work because the output has been converted to Json 2 times.
The steps you should follow to get the status from your Json would be much simpler:
QUESTION
Specs:
- The serverless Amazon MSK that's in preview.
- t2.xlarge EC2 instance with Amazon Linux 2
- Installed Kafka from https://dlcdn.apache.org/kafka/3.0.0/kafka_2.13-3.0.0.tgz
- openjdk version "11.0.13" 2021-10-19 LTS
- OpenJDK Runtime Environment 18.9 (build 11.0.13+8-LTS)
- OpenJDK 64-Bit Server VM 18.9 (build 11.0.13+8-LTS, mixed mode, sharing)
- Gradle 7.3.3
- https://github.com/aws/aws-msk-iam-auth, successfully built.
I also tried adding IAM authentication information, as recommended by the Amazon MSK Library for AWS Identity and Access Management. It says to add the following in config/client.properties:
...ANSWER
Answered 2022-Jan-17 at 05:00The created properties file is not automatically used; your command needs to include --command-config client.properties, where this properties file is documented at the MSK docs on the linked IAM page.
Extract...
QUESTION
I'm getting an error trying to build a flutter app with crashlytics
(but somehow builds successfully on codemagic)
I did
- follow the official steps
- try to use this fix without success
these are my logs
...ANSWER
Answered 2022-Jan-13 at 13:21rm pubspec.lock && \
flutter clean && \
cd ios && \
pod cache clean --all && \
cd .. && \
flutter pub get && \
cd ios && \
pod update && \
cd ..
QUESTION
I had "successfully" made an SMTP server. The code works fine connecting to SMTP clients. But it is neither able to recieve emails nor send it. I tried with various test servers and also the standard gmail/yahoo etc. Here is the code:
...ANSWER
Answered 2021-Dec-25 at 04:45SMTP 250 code means that a successful connection has been established however the remote host you are sending mails to might have categorized the domain the mail is being sent from as not legitimate.
This can happen if your domain is not authenticated/verified. You can relay your messages through a trusted SMTP service like sendgrid
You can also check if your domain is verified by sending a mail from your service to check-auth@verifier.port25.com. Port25 is an automated tool that verified your DNS records, SPF records etc.
Hope this works for you!
QUESTION
Infrastructure description: I have a dynamo db table in one AWS account (Say A1) and an application hosted in EC2 in another account (say A2) /VPC-private subnet. This app (in account A2) reads/writes that dynamo db table in account A1. Both accounts are under same organization and the table and app are in same AWS region. I created a VPC endpoint (say VPC-E1) for the dynamo db in the application's account (A2) and the route table is correctly populated with the VPC endpoint targets. The app authorizes itself using AssumeRole method. I created an role policy to the same IAM account that the EC2 uses to allow connecting to the DynamoDB only if the source VPC endpoint is the one I created (VPC-E1). NOTE: the EC2 has internet connectivity via NAT gateway.
IAM policy:
...ANSWER
Answered 2021-Dec-23 at 05:20Yes. DynamoDb is a SaaS and is not hosted inside your VPC. I removed the condition in the IAM policy. I created a cloudtrail logs at account (A2 - where dynamodb belongs to) to capture the data events from specific dynamodb table . The VPC endpoint created in the consumer account (A2) appears in the cloudtrail logs (Data events from specific DynamoDb table/index) in the target AWS account (A1). Hence this works.
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