wingkwong

sqlite3 db.sqlite3
sqlite>  .mode csv
sqlite>  .separator ","
sqlite>  .import table1.csv table1
sqlite>  .import table2.csv table2
sqlite>  .import table3.csv table3
sqlite>  .import table4.csv table4
sqlite>  .exit

wingkwong

GITHUB := "github.com"
PROJECTNAME := $(shell basename "$(PWD)")
PACKAGENAME := $(GITHUB)/$(shell basename "$(shell dirname "$(PWD)")")/$(PROJECTNAME)
GOBASE := $(shell pwd)

.PHONY .SILENT: relocate
## relocate: Relocate packages
relocate:
	# Example: make relocate TARGET=github.com/wingkwong/myproject
	@test ${TARGET} || ( echo ">> TARGET is not set. Use: make relocate TARGET=<target>"; exit 1 )

wingkwong

version: '2'

tasks:
  relocate:
    cmds:
      - echo " *** Relocating packages to {{.TARGET_PATH}} ***"
      - task: replace-string
        vars: {
          SOURCE_STR: "{{.PACKAGE_NAME}}",
          TARGET_STG: "{{.TARGET_PATH}}"

wingkwong

import pandas as pd

d = pd.read_csv('CSV_FILE.csv', keep_default_na = False)
d.drop_duplicates(subset = ['COMPOSITE_KEY1', 'COMPOSITE_KEY2', 'COMPOSITE_KEY3', 'COMPOSITE_KEY4', 'COMPOSITE_KEY5', 'COMPOSITE_KEY6', 'COMPOSITE_KEY7', 'COMPOSITE_KEY8', 'COMPOSITE_KEY9', 'COMPOSITE_KEY10'], inplace = True, keep = 'first')
d.to_csv('CSV_FILE_PROCESSED.csv', index = False)

wingkwong

#!/bin/bash

sudo tar xjf parallel-latest.tar.bz2
cd parallel-yyyymmdd
sudo ./configure && make
sudo make install
# in case you need to relink the executable file 
sudo ln -s /usr/bin/parallel /usr/local/bin/parallel

wingkwong

RewriteEngine on
RewriteCond %{HTTPS} on
RewriteCond %{HTTP_HOST} !^www\.
RewriteRule ^(.*)$ https://www.%{HTTP_HOST}/$1 [R=301,L]

wingkwong

select df.tablespace_name "Tablespace",
totalusedspace "Used MB",
(df.totalspace - tu.totalusedspace) "Free MB",
df.totalspace "Total MB",
round(100 * ( (df.totalspace - tu.totalusedspace)/ df.totalspace))
"Pct. Free"
from
(select tablespace_name,
round(sum(bytes) / 1048576) TotalSpace
from dba_data_files 

wingkwong

select
   c.owner,
   c.object_name,
   c.object_type,
   b.sid,
   b.serial#,
   b.status,
   b.osuser,
   b.machine
from

wingkwong

Updates on 22 Feb 2020

• Updated version to 1.17.3-00 for kubelet, kubeadm and kubectl
• Updated kube-flannel as extensions/v1beta1 was removed

Creating a cluster

# Setup Docker & Kubernetes repositories
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

wingkwong

func GetS3PresignedUrl(bucket string, key string, region string, expiration time.Duration) string {
	// Initialize a session in the target region that the SDK will use to load
	// credentials from the shared credentials file ~/.aws/credentials.
	sess, err := session.NewSession(&aws.Config{
		Region: aws.String(region)},
	)

	// Create S3 service client
	svc := s3.New(sess)