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Head-of-line blocking (HOL blocking) in computer networking is a performance-limiting phenomenon that occurs when a queue of packets is held up by the first packet in the queue. This occurs, for example, in input-buffered network switches , out-of-order delivery and multiple requests in HTTP pipelining .
Inviting yourself to a channel you have "self invite" access on (+i flag set in ChanServ) Adding a user to an "invite list" for automatic access; Getting a copy of the invite list for a channel; Keeping ChanServ in a channel, so it does not empty and so the invite list is not easily lost; To specify a channel as invite-only:
The first use of channel I/O was with the IBM 709 [2] vacuum tube mainframe in 1957, whose Model 766 Data Synchronizer was the first channel controller. The 709's transistorized successor, the IBM 7090, [3] had two to eight 6-bit channels (the 7607) and a channel multiplexor (the 7606) which could control up to eight channels.
A double-ended queue can be used to store the browsing history: new websites are added to the end of the queue, while the oldest entries will be deleted when the history is too large. When a user asks to clear the browsing history for the past hour, the most recently added entries are removed.
Virtual output queueing (VOQ) is a technique used in certain network switch architectures where, rather than keeping all traffic in a single queue, separate queues are maintained for each possible output location.
In computing, a channel is a model for interprocess communication and synchronization via message passing. A message may be sent over a channel, and another process or thread is able to receive messages sent over a channel it has a reference to, as a stream. Different implementations of channels may be buffered or not, and either synchronous or ...
Dylan Dreyer is the latest Today cohost to take a brief (and unexplained) absence from the NBC morning show.. Dreyer, 42, did not join Craig Melvin and Al Roker on the third hour of Today on ...
In the unrestricted-input variant, the inputs can be arbitrary integers; in the restricted-input variant, the inputs must be in (T/4, T/2). The restricted version is as hard as the unrestricted version: given an instance S u of the unrestricted variant, construct a new instance of the restricted version S r ≔ {s + 2 T | s ∈ S u }.