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  • How to re-enable right click

    calendar Feb 21, 2021 · 1 min read
     en featured knowledgebase
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    Some news site still try in 2021 to disable right click and ability to copy content. These tactis are very very poor, and only block the users not interested in copying/stealing your code.


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  • Simple method to add historic feature to SQLite

    calendar Apr 8, 2021 · 5 min read
     en featured knowledgebase sql  · database sqlite
     ·
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    Abstract: Make a database which can be store historic modification is often considered a “secondary” activity, but bad design leads to databases that are difficult to optimize and often not very understandable. In this article we illustrate a simple method that respects the dictates of relational theory & is easy to understand. As a plus we will show it on SQLite, a small but powerful database system.


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  • Cassandra Compendium

    calendar Aug 29, 2021 · 17 min read
     en knowledgebase
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    Apache Cassandra Compendium, pasting together documentation from https://cassandra.apache.org/doc/latest/cassandra/data_modeling/index.html


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  • HyperV Machine Export

    calendar Oct 28, 2021 · 1 min read
     en knowledgebase
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    1. Shutdown VM and compress the compact the disks
    2. Check if you have enough space: you need more or less the space of the VM disks+ minimal RAM configured
    3. From your Hyper-V host, run PowerShell as an administrator and then run something like: GET-VM This will display all the VMs running on the current host.
    4. Then run:
      $ExportPath = “C:\\Exports”
      Export-VM -Name “BoxNameFromGetVM Step3” -Path $ExportPath
       
  • Log4jShell

    calendar Dec 20, 2021 · 1 min read
     en knowledgebase software
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    Log4jShell vulnerability

    1. Kasperky article
    2. https://www.lunasec.io/docs/blog/log4j-zero-day-update-on-cve-2021-45046/ with the following "news":If you have previously used LOG4J_FORMAT_MSG_NO_LOOKUPS to mitigate the log4shell vulnerability, in certain conditions this will not be sufficient to protect your code from RCE. Refer to our mitigation guide for additional steps you can take to remediate the impact of Log4Shell
    3. Apache group released two fix in short delay, after  the second fix was found vulnerable to other attacks, a third fix (2.17.0) was released.
     
  • OCI Autonomous Database: Change MEDIUM Service Concurrency Limit

    calendar Jan 27, 2022 · 1 min read
     en knowledgebase
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    On Oracle Autonomous Database (Oracle Cloud DB service), the consumer groups of the predefined service names provide different levels of performance and concurrency.


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  • Data Driven Form in angular

    calendar Feb 4, 2022 · 1 min read
     en knowledgebase  · angular
     ·
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    JSON Schema is a vocabulary that allows you to annotate and validate JSON documents.

    Benefits

    • Describes your existing data format(s).
    • Provides clear human- and machine- readable documentation.
    • Validates data which is useful for:
      • Automated testing.
      • Ensuring quality of client submitted data.
    On top of it you can run JSON Forms, a  data driven forms library:
    1. Declare your forms as JSON based on a JSON Schema
    2. Fully-featured forms including data-binding, input validation, and rule-based visibility out-of-the-box
    3. Designed for customizability - from custom styling to custom widgets
  • Let PiHole play nice with docker-compose

    calendar Apr 3, 2022 · 1 min read
     devops featured knowledgebase unix-featured  · docker-compose pihole
     ·
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    When you run pihole in a docker container, it could be difficult to build images on the same docker daemon, because docker-compose cannot pass DNS request to another container during build, and normal dns resolution fixes won’t work.


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  • Bash Regular expression replace (regexp)

    calendar Apr 13, 2022 · 1 min read
     en knowledgebase unix-featured  · bash
     ·
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    You can easily use bash to search-and-replace on variables…


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  • SQLite Tool-set

    calendar Jun 20, 2022 · 2 min read
     featured knowledgebase sql
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    Random list of very interesting projects (will be updated, guys).


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Giovanni Giorgi

Master Solution Architect, father and free spirit.
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    Last updated:2025-05-14 02:00
    Giovanni Giorgi

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