dfang

Using the -ldflags parameter can help set variable values at compile time.

Using the example provided here:

1. Running make build will create a build executable. Running it will result in:

$> ./build
no version (Mon YYYY)
$>

dfang

# Get Sudo.
if [ $EUID != 0 ]; then
    sudo "$0" "$@"
    exit $?
fi

# Install Xcode first - https://itunes.apple.com/us/app/xcode/id497799835?ls=1&mt=12
# Install Xcode command line tools.
xcode-select --install

dfang

default_platform(:android)

platform :android do

  desc "Submit a new QA Build to Crashlytics Beta"
  lane :qa do
    crashlytics(
        api_token: 'CRASHLYTICS_API_TOKEN',
        build_secret: 'CRASHLYTICS_BUILD_SECRET',
        notes_path: 'qa-change.log',

dfang

Shadowsocks Proxy

Server-side setup

apt-get install python-pip
pip install shadowsocks

sudo ssserver -p 443 -k password -m aes-256-cfb --user nobody -d start

dfang

minikube start --extra-config=apiserver.authorization-mode=RBAC
kubectl create clusterrolebinding add-on-cluster-admin --clusterrole=cluster-admin --serviceaccount=kube-system:default

minikube dashboard

dfang

#!/bin/sh
# install needed curl package
sudo apt install --no-install-recommends curl  -y
# install kubectl
curl -Lo /tmp/kubectl https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl && \
 chmod +x /tmp/kubectl && \
 sudo mv /tmp/kubectl /usr/local/bin/kubectl
# kubectl tab completion
sudo sh -c 'echo "source <(kubectl completion bash)" > /etc/bash_completion.d/kubectl'
# install needed packages for kvm (see https://github.com/kubernetes/minikube/blob/master/docs/drivers.md#kvm2-driver)

dfang

Postgres push triggers

Watch a table for changes and push a notification with a payload describing the change.

Example

In the Postgres shell:

-- Create the functions

dfang

package main

import "strconv"
import "fmt"

type Color string
type Make string
type Model string

const (

dfang

package main

import (
	"fmt"
	"github.com/codegangsta/negroni"
	"github.com/gorilla/mux"
	"log"
	"net/http"
)

dfang

import(
  "reflect"
  "time"
  "github.com/gorilla/schema"
)
func ConvertFormDate(value string) reflect.Value {
	s, _ := time.Parse("2006-01-_2", value)
	return reflect.ValueOf(s)
}