300 Matching Annotations
  1. Last 7 days
  2. Jun 2020
    1. MQTT

      Message Queuing Telemetry Transport MQTT protocol -> publish-subscribe network protocol that transports messages between devices, usually through TCP/IP

      Protocol defines 2 network entities:

      1. message broker -> receives messages from clients and then sends them to any clients subscribed to topic.
      2. a number of clients ->
      <table style="border: 1px solid black;"> <tr> <th style="border: 1px solid black;"> MQTT un-encrypted port </th> <th style="border: 1px solid black;"> MQTT encrypted port </th> </tr> <tr> <td style="border: 1px solid black;">**1883** </td> <td style="border: 1px solid black;">**8883** </td> </tr> </table>
    1. Since onion services can receive incoming connections even if they are behind a router doing network address translation (NAT), TorChat does not need any port forwarding to work.
  3. May 2020
    1. In Roam, each note becomes a node in your mind map, and there’s no central concept you have to start with. The map is fluid, with no hierarchy, no stacking, no linearity. It’s a giant knowledge web representing your notes and the connections between them.

      Just like the brain works.

    1. Liu, L., Wang, X., Tang, S., & Zheng, Z. (2020). Complex social contagion induces bistability on multiplex networks. ArXiv:2005.00