mcrumm

Deploying to Fly.io with SQLite

Deploying a Phoenix app to Fly.io is a breeze...is what everyone kept telling me. In fairness, I imagine the process would have been breezier had I just used postgres, but all the sqlite and litestream talk has been far too intriguing to ignore. "Wait", you say. "It is just a flat file. How much harder can it be?"

It is easy to make something harder than it should be. It is hard to take something complex and make it truly simple. flyctl launch does an amazing job at providing a simple interface to the utterly complex task of generating deployment resources, especially now that we are living in a containerd (erm, firecracker) world.

This gist is for anyone who, like me, thinks they know better than to read all of the documentation and therefore necessari

MineRobber9000

githubimport

Allows you to import Python modules from the top level of a GitHub repository. Basically, golang's import semantics but in Python fashion.

>>> import githubimport
>>> from MineRobber9000.test_modules import blah
>>> blah.foo()
"bar"

justinvanwinkle

# I was looking for a rate limiting library to call rate limited apis as closely 
#   as possible to their enforced limits.  I looked at the first few python libraries
#   that I found, and when I glanced at the source, they were all clearly broken.
# Curious how this could be, I took all the top google and pip search results for: python rate limiting
#   and tried to get them to do the wrong thing and fail to rate limit in situations that could come up 
#   in normal use (though in some cases very specific use)


# https://github.com/tomasbasham/ratelimit
# Where broken:

magnetikonline

Add user ssh-agent as daemon to Ubuntu 18.04LTS server

Create a new systemd user unit, which starts ssh-agent upon login to server. Will remain resident until the final session for the user has logged out.

Steps

• Create /etc/systemd/user/ssh-agent.service.

• Run the following commands (under your user account, not root) to install the systemd unit and start:

gene1wood

import boto3

def role_arn_to_session(**args):
    """
    Usage :
        session = role_arn_to_session(
            RoleArn='arn:aws:iam::012345678901:role/example-role',
            RoleSessionName='ExampleSessionName')
        client = session.client('sqs')
    """

robertberry-zz

function countChars(word) {
  var counts = {};

  for (var i = 0; i < word.length; i++) {
    var letter = word[i];

    if (letter in counts && counts.hasOwnProperty(letter)) {
      counts[letter]++;
    } else {
      counts[letter] = 1;

kenoir

aws cloudformation list-stacks | jq ".StackSummaries[].StackId" -r | grep "PROD"
aws ec2 describe-instances --filters Name=tag:Stage,Values=PROD | jq ".Reservations[].Instances[].InstanceId" -r
aws elb describe-load-balancers  | jq ".LoadBalancerDescriptions[].LoadBalancerName" -r
aws autoscaling describe-auto-scaling-groups | jq ".AutoScalingGroups[].AutoScalingGroupName" -r | grep "PROD"
aws s3 ls | grep "prod" | awk '{print $3}'
aws ec2 describe-vpcs | jq ".Vpcs[].VpcId" -r 
aws dynamodb list-tables | jq ".TableNames[]" -r | grep "PROD"
aws sqs list-queues | jq ".QueueUrls[]" -r | grep "PROD"
aws sns list-topics | jq ".Topics[].TopicArn" -r | grep "PROD"

macournoyer

$ python xor.py
Training:
  Epoch   0   MSE: 1.765
  Epoch 100   MSE: 0.015
  Epoch 200   MSE: 0.005
  * Target MSE reached *
Evaluating:
  1 XOR 0 = 1 ( 0.904)   Error: 0.096
  0 XOR 1 = 1 ( 0.908)   Error: 0.092
  1 XOR 1 = 0 (-0.008)   Error: 0.008

roylines

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "s3:*"
            ],
            "Resource": [
                "arn:aws:s3:::my.bucket",

treeder

Put all your static files in /static directory. If you put index.html into /static, it will be served up as welcome file.