Monthly Archives: January 2020

x/ubuntu 20 beta first looks

x/ubuntu 20 beta first looks

  • seems to need a UEFI bios
  • vscode & android studio listed as recommended apps

wierd node webpack error

wierd node webpack error

$ NODE_PATH=/usr/local/lib/node_modules webpack
Invalid configuration object. Webpack has been initialised using a configuration object that does not match the API schema.
- configuration.module.rules[0].exclude should be one of these:
RegExp | string | function | [(recursive)] | object { and?, exclude?, include?, not?, or?, test? } | [RegExp | string | function | [(recursive)] | object { and?, exclude?, include?, not?, or?, test? }]
-> One or multiple rule conditions
Details:
* configuration.module.rules[0].exclude[1]: The provided value "!/node_modules/idb-file-storage" is not an absolute path!
* configuration.module.rules[0].exclude[1]: The provided value "!/node_modules/idb-file-storage" is not an absolute path!

and

# npm -g install babel-loader
/usr/local/lib
├── UNMET PEER DEPENDENCY @babel/core@^7.0.0
├── babel-loader@8.0.6 
└── UNMET PEER DEPENDENCY webpack@>=2

website performance monitoring with #pagespeed

website performance monitoring with #pagespeed

browser extensions DIY

browser extensions DIY

docs and github

dev.to articles

so far so  good but just got an error

webpack --display-error-details --progress --colors

Invalid configuration object. Webpack has been initialised using a configuration object that does not match the API schema.
 - configuration.module.rules[0].exclude should be one of these:
   RegExp | string | function | [(recursive)] | object { and?, exclude?, include?, not?, or?, test? } | [RegExp | string | function | [(recursive)] | object { and?, exclude?, include?, not?, or?, test? }]
   -> One or multiple rule conditions
   Details:
    * configuration.module.rules[0].exclude[1]: The provided value "!/node_modules/idb-file-storage" is not an absolute path!
    * configuration.module.rules[0].exclude[1]: The provided value "!/node_modules/idb-file-storage" is not an absolute path!

apis from apilayer include aviationstack and scrapestack

apis from apilayer include aviationstack and scrapestack

github

my github

8 Flaws in A/B Split Testing

Iterative Path

You have been using A/B split testing to improve your mail campaigns and web designs. The core idea is to randomly assign participants to group A or B and measure the resulting performance – usually in terms of conversion. Then perform statistical testing, either t-test (incorrect) or Chi-square test to see if the difference in performance between A and B is statistically significant at 95% confidence level.

There are  significant flaws with this approach:

  1. Large Samples: Use of large samples that are most likely to find statistical significance even for small differences. When using large samples (larger than 300) you lose segmentation differences.
  2. Focus on Statistical Significance: Every test tool, sample size calculator and articles are narrowly focused on achieving statistical significance, treating that as final word on the superiority of one version over.
  3. Ignoring Economic Significance: There may be statistical significance or not, but no test tool…

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