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16-521: It's been said at first that progression on the supersonic PAK DP MiG-41 interceptor was making use of the MiG-701 (Izdeliye 7.01) and Mikoyan MiG-31 projects begun in the 1990s. As of July 2016, no official data was available concerning the aircraft's capabilities. It was speculated that it could enter service by the mid-2020s or 2030s. As an interceptor, its primary mission was rumored to offset future reconnaissance aircraft currently being developed by

32-403: A function is defined in lowercase, it can be called in uppercase, but if a variable is defined in lowercase, it cannot be referred to in uppercase. Nim is case-insensitive and ignores underscores, as long as the first characters match. A text search operation could be case-sensitive or case-insensitive, depending on the system, application, or context. The user can in many cases specify whether

48-475: A search is sensitive to case, e.g. in most text editors, word processors, and Web browsers. A case-insensitive search is more comprehensive, finding "Language" (at the beginning of a sentence), "language", and "LANGUAGE" (in a title in capitals); a case-sensitive search will find the computer language "BASIC" but exclude most of the many unwanted instances of the word. For example, the Google Search engine

64-407: A source code tree for software for Unix-like systems might have both a file named Makefile and a file named makefile in the same directory. In addition, some Mac Installers assume case insensitivity and fail on case-sensitive file systems. The older MS-DOS filesystems FAT12 and FAT16 were case-insensitive and not case-preserving, so that a file whose name is entered as readme.txt or ReadMe.txt

80-583: Is basically case-insensitive, with no option for case-sensitive search. In Oracle SQL, most operations and searches are case-sensitive by default, while in most other DBMSes , SQL searches are case-insensitive by default. Case-insensitive operations are sometimes said to fold case , from the idea of folding the character code table so that upper- and lowercase letters coincide. In filesystems in Unix-like systems, filenames are usually case-sensitive (there can be separate readme.txt and Readme.txt files in

96-613: Is saved as README.TXT. Later, with VFAT in Windows 95 the FAT file systems became case-preserving as an extension of supporting long filenames . Later Windows file systems such as NTFS are internally case-sensitive, and a readme.txt and a Readme.txt can coexist in the same directory. However, for practical purposes filenames behave as case-insensitive as far as users and most software are concerned. This can cause problems for developers or software coming from Unix-like environments, similar to

112-545: The Russian Aerospace Forces , he said that the first production PAK DP would be completed in 2025. The aircraft may cruise at speeds of at least Mach 3 (3,700 km/h; 2,300 mph) and fly at high altitudes (at levels between the stratopause and the tropopause , i.e. below 45,000 meters and above 12,000 meters). It could use a variant of the Izdeliye 30 engines currently under development for

128-1232: The Su-57 . It was said that the PAK DP will use stealth technology. An unmanned version is also under consideration. Post-PFI Soviet Look for Post-PFI Soviet on one of Misplaced Pages's sister projects : [REDACTED] Wiktionary (dictionary) [REDACTED] Wikibooks (textbooks) [REDACTED] Wikiquote (quotations) [REDACTED] Wikisource (library) [REDACTED] Wikiversity (learning resources) [REDACTED] Commons (media) [REDACTED] Wikivoyage (travel guide) [REDACTED] Wikinews (news source) [REDACTED] Wikidata (linked database) [REDACTED] Wikispecies (species directory) Misplaced Pages does not have an article with this exact name. Please search for Post-PFI Soviet in Misplaced Pages to check for alternative titles or spellings. You need to log in or create an account and be autoconfirmed to create new articles. Alternatively, you can use

144-470: The article wizard to submit a draft for review, or request a new article . Search for " Post-PFI Soviet " in existing articles. Look for pages within Misplaced Pages that link to this title . Other reasons this message may be displayed: If a page was recently created here, it may not be visible yet because of a delay in updating the database; wait a few minutes or try the purge function . Titles on Misplaced Pages are case sensitive except for

160-622: The United States and China. To achieve high speeds, the aircraft would need to be equipped with ramjet or turboramjet engines. The design of the PAK DP was finalized by the end of 2019, at the same time the research work was completed. In 2020, within that research framework, the Russian Ministry of Defense selected the most promising project. Work in this area now continues in R&;D and with wind tunnel models. Ilya Tarasenko,

176-671: The chance of intercepting hypersonic weapons. The PAK DP is also intended to carry anti-satellite missiles . In January 2021, Rostec Corporation , the owner of Mikoyan , announced that the PAK DP had entered the development phase. In an interview for RT , the Director General of RSK MiG, Ilya Tarasenko, speculated that it would be a new construction capable of Mach number 4–4.3, equipped with an anti-missile laser, and said would be able to operate at very high altitudes and even in near space . He also stated that it could be transformed into an unmanned version later. If purchased by

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192-601: The first character; please check alternative capitalizations and consider adding a redirect here to the correct title. If the page has been deleted, check the deletion log , and see Why was the page I created deleted? Retrieved from " https://en.wikipedia.org/wiki/Post-PFI_Soviet " Case sensitivity In computers, case sensitivity defines whether uppercase and lowercase letters are treated as distinct ( case-sensitive ) or equivalent ( case-insensitive ). For instance, when users interested in learning about dogs search an e-book , "dog" and "Dog" are of

208-638: The general director of the MiG corporation, as well as the head of the Sukhoi company, said in an interview in July 2020 that the PAK DP will be created on the basis of the MiG-31 's design. According to Izvestia , the PAK DP is envisioned to become an interceptor of hypersonic missiles by carrying a multifunctional long-range interceptor missile system (MPKR DP) that will dispense several sub-missiles in order to increase

224-506: The same directory). MacOS is somewhat unusual in that, by default, it uses HFS+ and APFS in a case-insensitive (so that there cannot be a readme.txt and a Readme.txt in the same directory) but case-preserving mode (so that a file created as readme.txt is shown as readme.txt and a file created as Readme.txt is shown as Readme.txt) by default. This causes some issues for developers and power users , because most file systems in other Unix-like environments are case-sensitive, and, for example,

240-770: The same significance to them. Thus, they request a case-insensitive search. But when they search an online encyclopedia for information about the United Nations , for example, or something with no ambiguity regarding capitalization and ambiguity between two or more terms cut down by capitalization, they may prefer a case-sensitive search. Case sensitivity may differ depending on the situation: Some programming languages are case-sensitive for their identifiers ( C , C++ , Java , C# , Verilog , Ruby , Python and Swift ). Others are case-insensitive (i.e., not case-sensitive), such as ABAP , Ada , most BASICs (an exception being BBC BASIC ), Common Lisp , Fortran , SQL (for

256-511: The syntax, and for some vendor implementations, e.g. Microsoft SQL Server , the data itself) Pascal , Rexx and ooRexx . There are also languages, such as Haskell , Prolog , and Go , in which the capitalisation of an identifier encodes information about its semantics . Some other programming languages have varying case sensitivity; in PHP , for example, variable names are case-sensitive but function names are not case-sensitive. This means that if

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