Author archive: ZERIN

Commands Linux CentOS
Linux Centos: How to Zip All Folders except Garbage Folder
September 29, 2019
0
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/**\*
Commands MySQL
Upgrading MySQL 5.6 to 5.7 – Group By Does not work anymore
September 17, 2019
0
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 […]
Learn Startup
Usability Question
May 16, 2019
0
Can they do it? Understand it? Discover Features
Measure Startup
Calculating Startup Growth
May 16, 2019
0
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:
Startup
Retention (Monthly)
May 16, 2019
0
Startup
Churn
May 16, 2019
0
Startup
Funnel (Normalized)
May 16, 2019
0
Startup
Stacked Bars
May 15, 2019
0
Startup
Funnel Progression
May 15, 2019
0
Startup
Layer Cake
May 15, 2019
0

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