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[Note] Business Transformation through Blockchain – Volume I

1. Blockchain Economic Networks: Economic Network Theory—Systemic Risk and Blockchain Technology Economic Network Analysis Fedwire Example: The net- work has a tightly connected core of banks to which most other banks connect. Large banks are disproportionately connected to small banks and vice versa; the average bank is connected to 15 others, but this does not give …

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[note] PHP exec Docker run

For example: use this docker container to convert pdf file to html docker run -ti –rm -v ~/pdf:/pdf bwits/pdf2htmlex pdf2htmlEX –zoom 1.3 test.pdf   PHP use shell_exec function to exec docker run, there is some notes: Assign a container name with the –name option Automatically clean up the container and remove the file system when the container exits, you …

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[note] Web Scraping and Print to PDF

https://medium.com/@e_mad_ehsan/getting-started-with-puppeteer-and-chrome-headless-for-web-scrapping-6bf5979dee3e https://www.chromium.org/developers/creating-and-using-profiles https://chromedevtools.github.io/devtools-protocol/tot/Page/#method-printToPDF https://www.tecmint.com/install-google-chrome-on-redhat-centos-fedora-linux/ https://bugs.chromium.org/p/chromium/issues/detail?id=603559 https://bugs.chromium.org/p/chromium/issues/detail?id=617931#c1

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