Getting Passport + Visa Ready In order to travel Sikkim (India) from Bangladesh by Bus, you need to have “PHULBARI” Port mentioned in your Indian Visa. You can apply for Indian Visa Online (https://indianvisa-bangladesh.nic.in/visa/Registration) in case you do not have any Indian Visa now. If you do not have port “PHULBARI” mentioned in your passport, […]

I am Mac USER, I need to install AWS Set up the Elastic Beanstalk Command Line Interface first. Details can be found: https://aws.amazon.com/getting-started/tutorials/set-up-command-line-elastic-beanstalk/ Start the MacOS terminal application ———————————————————————————- If you have the Homebrew package manager on your mac, update your homebrew fomulae by running the following command in Terminal: $ brew update Using Homebrew, install […]

Making Zip files of folders except some garbage folders which I do not need: I do not need tmp folder & tmp2 folder but I need all other folder f zip -r mybackup.zip dir1 -x tmp/ignoreDir1/**\* tmp2/ignoreDir2/**\*

Recently I have updated one of my server MySQL, then I have found that old MySQL Group By Query is not running anymore. It happens because of  notorious nonstandard MySQL extension to GROUP BY Go To Mysql console: Type the below command & see what are current SQL mode: SELECT @@GLOBAL.sql_mode; Type the below command to […]

Can they do it? Understand it? Discover Features

Active customers by 7, 30, 90 day churn Funnel State Progression Inventory Balance of Supply / Demand Demand by Survey Question Type Lifetime User Value Customer Retention by Funnel State   Remember: 1. Find the metrics that matter 2. Take Action, Measure Impact 3. Segment your customers. Tools: http://bslatkin.github.io/cohorts/ Referece: