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// The line "text: info.text," will cause the call // to replace entire page content with supplied data. // alternatively, one can append or prepend the data to the page, by using // "appendtext: info.text," or "prependtext: info.text," instead. // when using "appendtext", it is possible to append the text to a specific section, // by setting ...
Many data structures and databases implement immutable objects, effectively making their data structures append-only. Implementing an append-only data structure has many benefits, such as ensuring data consistency, improving performance, [6] and permitting rollbacks. [7] [8] The prototypical append-only data structure is the log file.
It writes data from a buffer declared by the user to a given device, such as a file. This is the primary way to output data from a program by directly using a system call. The destination is identified by a numeric code. The data to be written, for instance a piece of text, is defined by a pointer and a size, given in number of bytes.
Standard device I/O handles (ReadFile, WriteFile) Namespace used to create handles; Inefficient WAN traffic (explicit data transfer request, unlike e.g. TCP/IP sliding window, etc.) Peekable reads (read without removing from pipe's input buffer) The .NET Framework 3.5 has added named pipe support. [5]
The set user ID, setuid, or SUID mode. When a file with setuid is executed, the resulting process will assume the effective user ID given to the owner class. This enables users to be treated temporarily as root (or another user). The set group ID, setgid, or SGID permission.
The third and the last method to get the I/O completion notification with overlapped IO is to use ReadFileEx() and WriteFileEx(), which allow the User APC routine to be provided, which will be fired on the same thread on completion (User APC is the thing very similar to Unix/POSIX signal, with the main difference being that the signals are ...
Following Lisp, other high-level programming languages which feature linked lists as primitive data structures have adopted an append. To append lists, as an operator, Haskell uses ++, OCaml uses @. Other languages use the + or ++ symbols to nondestructively concatenate a string, list, or array.
A memory-mapped file is a segment of virtual memory [1] that has been assigned a direct byte-for-byte correlation with some portion of a file or file-like resource. This resource is typically a file that is physically present on disk, but can also be a device, shared memory object, or other resource that an operating system can reference through a file descriptor.