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Python Package Index
The Python Package Index, abbreviated as PyPI () and also known as the Cheese Shop (a reference to the ''Monty Python's Flying Circus'' sketch "Cheese Shop sketch, Cheese Shop"), is the official third-party software repository for Python (programming language), Python. It is analogous to the CPAN repository for Perl and to the R_package#Comprehensive_R_Archive_Network_(CRAN), CRAN repository for R (programming language), R. PyPI is run by the Python Software Foundation, a charity. Some Package manager, package managers, including pip (package manager), pip, use PyPI as the default source for packages and their dependencies. more than 530,000 Python packages are available. PyPI primarily hosts Python packages in the form of source archives, called "sdists", or of "wheels" that may contain binary modules from a compiled language. PyPI as an index allows users to search for packages by Index term, keywords or by Filter (software), filters against their metadata, such as free so ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Filter (software)
A filter is a computer program or subroutine to process a stream, producing another stream. While a single filter can be used individually, they are frequently strung together to form a pipeline. Some operating systems such as Unix are rich with filter programs. Windows 7 and later are also rich with filters, as they include Windows PowerShell. In comparison, however, few filters are built into cmd.exe (the original command-line interface of Windows), most of which have significant enhancements relative to the similar filter commands that were available in MS-DOS. OS X includes filters from its underlying Unix base but also has Automator, which allows filters (known as "Actions") to be strung together to form a pipeline. Unix In Unix and Unix-like operating systems, a filter is a program that gets most of its data from its standard input (the main input stream) and writes its main results to its standard output (the main output stream). Auxiliary input may come from command lin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Subpoena
A subpoena (; also subpœna, supenna or subpena) or witness summons is a writ issued by a government agency, most often a court, to compel testimony by a witness or production of evidence under a penalty for failure. There are two common types of subpoenas: # '' subpoena ad testificandum'' orders a person to testify before the ordering authority or face punishment. The subpoena can also request that the testimony be given by phone or in person. # '' subpoena duces tecum'' orders a person or organization to bring physical evidence before the ordering authority or face punishment. This is often used for requests to mail copies of documents to a requesting party or directly to a court. Etymology The term ''subpoena'' is from the Middle English ''suppena'' and the Latin phrase ''sub poena'' meaning "under penalty". It is also spelled "subpena".See, e.g., ; ; ; and . The subpoena has its source in English common law and it is now used almost with universal application throughout the E ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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United States Department Of Justice
The United States Department of Justice (DOJ), also known as the Justice Department, is a United States federal executive departments, federal executive department of the U.S. government that oversees the domestic enforcement of Law of the United States, federal laws and the administration of justice. It is equivalent to the Ministry of justice, justice or interior ministries of other countries. The department is headed by the U.S. attorney general, who reports directly to the president of the United States and is a member of the president's United States Cabinet, Cabinet. Pam Bondi has served as U.S. attorney general since February 4, 2025. The Justice Department contains most of the United States' Federal law enforcement in the United States, federal law enforcement agencies, including the Federal Bureau of Investigation, the U.S. Marshals Service, the Bureau of Alcohol, Tobacco, Firearms and Explosives, the Drug Enforcement Administration, and the Federal Bureau of Prisons. Th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Code
In communications and information processing, code is a system of rules to convert information—such as a letter, word, sound, image, or gesture—into another form, sometimes shortened or secret, for communication through a communication channel or storage in a storage medium. An early example is an invention of language, which enabled a person, through speech, to communicate what they thought, saw, heard, or felt to others. But speech limits the range of communication to the distance a voice can carry and limits the audience to those present when the speech is uttered. The invention of writing, which converted spoken language into visual symbols, extended the range of communication across space and time. The process of encoding converts information from a source into symbols for communication or storage. Decoding is the reverse process, converting code symbols back into a form that the recipient understands, such as English, Spanish, etc. One reason for coding is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Third-party Software Component
In computer programming, a third-party software component is a reusable software component developed to be either freely distributed or sold by an entity other than the original vendor of the development platform. The third-party software component market is supported by the belief that component-oriented development improves efficiency and quality when developing custom applications. Common third-party software includes macros, bots, and software/scripts to be run as add-ons for popular developing software. In the case of operating systems such as Windows XP, Vista or 7, there are applications installed by default, such as Windows Media Player or Internet Explorer. See also * Middleware * Enterprise Java Beans * VCL / CLX * KParts (KDE KDE is an international free software community that develops free and open-source software. As a central development hub, it provides tools and resources that enable collaborative work on its projects. Its products include the KDE Plasma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Operating System
An operating system (OS) is system software that manages computer hardware and software resources, and provides common daemon (computing), services for computer programs. Time-sharing operating systems scheduler (computing), schedule tasks for efficient use of the system and may also include accounting software for cost allocation of Scheduling (computing), processor time, mass storage, peripherals, and other resources. For hardware functions such as input and output and memory allocation, the operating system acts as an intermediary between programs and the computer hardware, although the application code is usually executed directly by the hardware and frequently makes system calls to an OS function or is interrupted by it. Operating systems are found on many devices that contain a computerfrom cellular phones and video game consoles to web servers and supercomputers. , Android (operating system), Android is the most popular operating system with a 46% market share, followed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Dynamic-link Library
A dynamic-link library (DLL) is a shared library in the Microsoft Windows or OS/2 operating system. A DLL can contain executable code (functions), data, and resources. A DLL file often has file extension .dll even though this is not required. The extension is sometimes used to describe the content of the file. For example, .ocx is a common extension for an ActiveX control and .drv for a legacy (16-bit) device driver. A DLL that contains only resources can be called a ''resource DLL''. Examples include an icon library, with common extension .icl, and a font library with common extensions .fon and .fot. The file format of a DLL is the same as for an executable (a.k.a. EXE). The main difference between a DLL file and an EXE file is that a DLL cannot be run directly since the operating system requires an entry point to start execution. Windows provides a utility program (RUNDLL.EXE/RUNDLL32.EXE) to execute a function exposed by a DLL. Since they have the same format, an EXE can ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Preprocessor
In computer science, a preprocessor (or precompiler) is a Computer program, program that processes its input data to produce output that is used as input in another program. The output is said to be a preprocessed form of the input data, which is often used by some subsequent programs like compilers. The amount and kind of processing done depends on the nature of the preprocessor; some preprocessors are only capable of performing relatively simple textual substitutions and Macro (computer science), macro expansions, while others have the power of full-fledged programming languages. A common example from computer programming is the processing performed on source code before the next step of compilation. In some computer languages (e.g., C (programming language), C and PL/I (programming language), PL/I) there is a phase of compiler, translation known as ''preprocessing''. It can also include macro processing, file inclusion and language extensions. Lexical preprocessors Lexical pr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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POSIX
The Portable Operating System Interface (POSIX; ) is a family of standards specified by the IEEE Computer Society for maintaining compatibility between operating systems. POSIX defines application programming interfaces (APIs), along with command line shells and utility interfaces, for software compatibility (portability) with variants of Unix and other operating systems. POSIX is also a trademark of the IEEE. POSIX is intended to be used by both application and system developers. As of POSIX 2024, the standard is aligned with the C17 language standard. Name Originally, the name "POSIX" referred to IEEE Std 1003.1-1988, released in 1988. The family of POSIX standards is formally designated as IEEE 1003 and the ISO/IEC standard number is ISO/ IEC 9945. The standards emerged from a project that began in 1984 building on work from related activity in the ''/usr/group'' association. Richard Stallman suggested the name ''POSIX'' to the IEEE instead of the former ''IEEE-IX''. Th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Free Software License
A free-software license is a notice that grants the recipient of a piece of software extensive rights to modify and redistribute that software. These actions are usually prohibited by copyright law, but the rights-holder (usually the author) of a piece of software can remove these restrictions by accompanying the software with a software license which grants the recipient these rights. Software using such a license is free software (or free and open-source software) as conferred by the copyright holder. Free-software licenses are applied to software in source code and also binary object-code form, as the copyright law recognizes both forms. Comparison Free-software licenses provide risk mitigation against different legal threats or behaviors that are seen as potentially harmful by developers: History Pre-1980s In the early times of software, sharing of software and source code was common in certain communities, for instance academic institutions. Before the US Com ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Metadata
Metadata (or metainformation) is "data that provides information about other data", but not the content of the data itself, such as the text of a message or the image itself. There are many distinct types of metadata, including: * Descriptive metadata – the descriptive information about a resource. It is used for discovery and identification. It includes elements such as title, abstract, author, and keywords. * Structural metadata – metadata about containers of data and indicates how compound objects are put together, for example, how pages are ordered to form chapters. It describes the types, versions, relationships, and other characteristics of digital materials. * Administrative metadata – the information to help manage a resource, like resource type, and permissions, and when and how it was created. * Reference metadata – the information about the contents and quality of Statistical data type, statistical data. * Statistical metadata – also called process data, may ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |