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  2. List of TCP and UDP port numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_TCP_and_UDP_port...

    Matrix identity server [citation needed] 8091: Unofficial: CouchBase web administration [321] 8092: Unofficial: CouchBase API [321] 8096: Unofficial Emby and Jellyfin HTTP port [322] 8100 Unofficial: SaltoSystems - Pro Access Space Service Unofficial: BlueMap, a 3D Minecraft web viewer and mapping tool 8102: Unofficial: SaltoSystems - Used for ...

  3. Dual code - Wikipedia

    en.wikipedia.org/wiki/Dual_code

    Type II codes are binary self-dual codes which are doubly even. Type III codes are ternary self-dual codes. Every codeword in a Type III code has Hamming weight divisible by 3. Type IV codes are self-dual codes over F 4. These are again even. Codes of types I, II, III, or IV exist only if the length n is a multiple of 2, 8, 4, or 2 respectively.

  4. Create and manage 3rd-party app passwords - AOL Help

    help.aol.com/articles/Create-and-manage-app-password

    To access your AOL Mail account on these apps, you'll need to generate and use an app password. An app password is a randomly generated code that gives a non-AOL app permission to access your AOL account. You'll only need to provide this code once to sign in to your 3rd party email app.

  5. Hadamard matrix - Wikipedia

    en.wikipedia.org/wiki/Hadamard_matrix

    Let H be a Hadamard matrix of order n.The transpose of H is closely related to its inverse.In fact: = where I n is the n × n identity matrix and H T is the transpose of H.To see that this is true, notice that the rows of H are all orthogonal vectors over the field of real numbers and each have length .

  6. In hidden Discord communities, adults are abusing and ... - AOL

    www.aol.com/news/child-predators-using-discord...

    Discord doesn’t require users’ real identities like some other platforms, and can facilitate large group video and audio-chats. That infrastructure proved incredibly popular, and in the past ...

  7. Hamming code - Wikipedia

    en.wikipedia.org/wiki/Hamming_code

    The parity-check matrix H of a Hamming code is constructed by listing all columns of length m that are pair-wise independent. Thus H is a matrix whose left side is all of the nonzero n-tuples where order of the n-tuples in the columns of matrix does not matter.

  8. Snowflake ID - Wikipedia

    en.wikipedia.org/wiki/Snowflake_ID

    Discord also uses snowflakes, with their epoch set to the first second of the year 2015. [3] Instagram uses a modified version of the format, with 41 bits for a timestamp, 13 bits for a shard ID, and 10 bits for a sequence number. [8] Mastodon's modified format has 48 bits for a millisecond-level timestamp, as it uses the UNIX epoch. The ...

  9. Singleton bound - Wikipedia

    en.wikipedia.org/wiki/Singleton_bound

    The linear independence of the columns of a generator matrix of an MDS code permits a construction of MDS codes from objects in finite projective geometry. Let P G ( N , q ) {\displaystyle PG(N,q)} be the finite projective space of (geometric) dimension N {\displaystyle N} over the finite field F q {\displaystyle \mathbb {F} _{q}} .