saggiyogesh

In computing, memoization or memoisation
is an optimization technique used primarily
to speed up computer programs by storing
the results of expensive function calls and  
returning the cached result when the same
inputs occur again.                                         
                                                     — wikipedia

saggiyogesh

#!/bin/bash
echo "Building NGINX along with Echo module"

# install prerequisites
yum -y install gcc gcc-c++ make zlib-devel pcre-devel openssl-devel

# download the Echo module
curl -L -O 'https://github.com/openresty/echo-nginx-module/archive/v0.58.tar.gz'
tar -xzvf v0.58.tar.gz && rm v0.58.tar.gz
mv echo-nginx-module-0.58 /tmp/echo-nginx-module

saggiyogesh

Node cordon / drain https://github.com/rancher/docs/issues/669#issuecomment-422127643

Node cleanup https://gist.github.com/superseb/2cf186726807a012af59a027cb41270d

https://rancher.com/docs/rancher/v2.x/en/cluster-admin/cleaning-cluster-nodes/

saggiyogesh

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saggiyogesh

#!/bin/sh
docker rm -f $(docker ps -qa)
docker volume rm $(docker volume ls -q)
cleanupdirs="/var/lib/etcd /etc/kubernetes /etc/cni /opt/cni /var/lib/cni /var/run/calico /opt/rke"
for dir in $cleanupdirs; do
  echo "Removing $dir"
  rm -rf $dir
done

saggiyogesh

#!/usr/bin/env bash

set -e

# find existing version of static.zip
cd ios;

name=$(ls | grep static)
echo 'grep name: '$name

saggiyogesh

function getNullKeysRecursively(doc, keyName, nullKeys) {
  for (var item_property in doc) {
    // SKIP BASE-CLASS STUFF
    if (!doc.hasOwnProperty(item_property)) continue;
    // SKIP ID FIELD
    if (item_property === '_id') continue;

    // FULL KEY NAME (FOR SUB-DOCUMENTS)
    var fullKeyName;
    if (keyName) fullKeyName = keyName + '.' + item_property;

saggiyogesh

• Add an app to code-push code-push app add myiosapp ios react-native

  Copy the Production deployment key. Use this key when asked in terminal after doing react-native link code-push

• Release a build for ios. code-push release-react myiosapp ios

• Promote the build to production. code-push promote myiosapp Staging Production

saggiyogesh

// This script is executed in mongo shell to replace all occurence of a STRING, with an objectId string
// and then using parse, converting objectId string to actual objectId

db.Dummy.find({}).forEach(function(doc) {
  console.log(doc._id);
  let newDoc = JSON.stringify(doc).replace('STRING', '5ab23ff3423159ad5d0251c0');
  print('newDoc', newDoc);

  let jsonDoc = JSON.parse(newDoc, (key, value) => {
    if (value === '5ab23ff3423159ad5d0251c0') {

saggiyogesh

docker run -d -p 9000:9000 -v /var/run/docker.sock:/var/run/docker.sock --restart always portainer/portainer -H unix:///var/run/docker.sock