kgrvamsi

# $Id: screen-keys.conf,v 1.7 2010-07-31 11:39:13 nicm Exp $
#
# By Nicholas Marriott. Public domain.
#
# This configuration file binds many of the common GNU screen key bindings to
# appropriate tmux key bindings. Note that for some key bindings there is no
# tmux analogue and also that this set omits binding some commands available in
# tmux but not in screen.
#
# Note this is only a selection of key bindings and they are in addition to the

kgrvamsi

func readLine(path string) {
  inFile, _ := os.Open(path)
  defer inFile.Close()
  scanner := bufio.NewScanner(inFile)
	scanner.Split(bufio.ScanLines) 
  
  for scanner.Scan() {
    fmt.Println(scanner.Text())
  }
}

kgrvamsi

Types

type Vertex struct {
    Lat, Long float64
}

Maps

kgrvamsi

#!/bin/sh
# Originally from:
# https://github.com/blankpage/e5UNIXBuilder/blob/master/build-akili.sh

# Linux and similar...
CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
# FreeBSD and similar...
[ -z "$CPUS" ] && CPUS=`getconf NPROCESSORS_ONLN`
# Solaris and similar...
[ -z "$CPUS" ] && CPUS=`ksh93 -c 'getconf NPROCESSORS_ONLN'`

kgrvamsi

#!/bin/bash

unshared () {
    grep '^[0-9]\+$' "$1" > /dev/null
}

for cpu in $(ls -d /sys/devices/system/cpu/cpu[0-9]* | sort -t u -k 3 -n); do
    echo "${cpu##*/}: [Package #$(cat $cpu/topology/physical_package_id), Core #$(cat $cpu/topology/core_id)]"
    if ! unshared $cpu/topology/core_siblings_list; then
        echo "  same package as $(cat $cpu/topology/core_siblings_list)"

kgrvamsi

// https://blogs.oracle.com/janp/entry/how_the_scp_protocol_works
package main

import (
	"fmt"

	"golang.org/x/crypto/ssh"
)

const privateKey = `content of id_rsa`

kgrvamsi

package main

import (
	"database/sql"
	"fmt"
	_ "github.com/denisenkom/go-mssqldb"
)

func main() {
	DB, err := sql.Open("mssql", "server=172.16.32.1**;port=1433;user id=sa;password=*****;database=demo;")

kgrvamsi

Emacs Cheatsheet

C : Control key

M : Meta key

General

C-g - Exit command

kgrvamsi

#!/bin/bash
apt-get -y update
apt-get -y install nginx-extras build-essential libpcre3-dev libssl-dev libgeoip-dev libpq-dev libxslt1-dev libgd2-xpm-dev
wget -c https://openresty.org/download/openresty-1.9.15.1.tar.gz
tar zxvf openresty-1.9.15.1.tar.gz
cd openresty-1.9.15.1

./configure \
--sbin-path=/usr/sbin/nginx \
--conf-path=/etc/nginx/nginx.conf \

kgrvamsi

PSQL

Magic words:

psql -U postgres

If run with -E flag, it will describe the underlaying queries of the \ commands (cool for learning!).

Most \d commands support additional param of __schema__.name__ and accept wildcards like *.*