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| | <<b>bb>>Listb>bb>> comprehension - Wikipedia, the free encyclopedia |
 | | The earliest reference to the <<b>bb>>listb>bb>> comprehension notation is in Rod Burstall and John Darlington's description of their programming language, NPL from 1977, but already SETL had a similar construct. | | | Monad comprehension is a generalization of <<b>bb>>listb>bb>> comprehension to other monads in functional programming. | | | <<b>bb>>Listb>bb>> comprehension is a programming language construct for <<b>bb>>listb>bb>> processing, analogous to the set-builder notation (set comprehension), that is, the mathematical notation such as the following: |
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http://en.wikipedia.org/wiki/List_comprehension
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| | Skip <<b>bb>>listb>bb>> - Wikipedia, the free encyclopedia |
| | Skip lists are also useful in parallel computing, where insertions can be done in different parts of the skip <<b>bb>>listb>bb>> in parallel without any global rebalancing of the data structure. | | | Basically, a skip <<b>bb>>listb>bb>> is an augmentation of an ordered linked <<b>bb>>listb>bb>> with additional forward links, added in a randomized way, so that a search in the <<b>bb>>listb>bb>> may quickly skip parts of the <<b>bb>>listb>bb>> (hence the name). | | | Skip <<b>bb>>listb>bb>> algorithms have the same asymptotic expected time bounds as balanced trees and are simpler, faster and use less space. |
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http://en.wikipedia.org/wiki/Skip_list
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| | Atari Graphics and Arcade Game Design-Chapter 2 |
| | In this example we are only shifting sections of the display <<b>bb>>listb>bb>> in order to change the position of the text window, so we can move blocks of display <<b>bb>>listb>bb>> data around if we are careful not to overwrite data. | | | The memory pointers to the top of the display <<b>bb>>listb>bb>> are shadowed at locations 560, 561 decimal in low byte, high byte order. | | | Display <<b>bb>>listb>bb>> interrupts are often used to change the colors in the color registers over part of a screen or to change between character sets midway down the screen. |
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http://www.atariarchives.org/agagd/chapter2.php
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| | linked <<b>bb>>listb>bb>> - Webopedia.com |
| | Linked <<b>bb>>listb>bb>> data storage works best with data arrays in which one doesnt know how large the array will need to be or when there is a certainty of more data being added or subtracted at later times. | | | Some common applications of linked lists include creating hash tables for collision resolutionn across communication channels, structuring binary trees, building stacks and queues in programming, and managing relational databases. | | | A disadvantage to linked <<b>bb>>listb>bb>> data storage is that the data must be accessed sequentially and cannot be accessed randomly. |
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http://itmanagement.webopedia.com/TERM/L/linked_list.html
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| | Linked <<b>bb>>Listb>bb>> Tutorial |
| | Notice that the fields of the linked <<b>bb>>listb>bb>> element are accessed by the arrow notation instead of the dot notation. | | | A linked <<b>bb>>listb>bb>> usually consists of a root node, allocated on the stack (an ordinary C variable) and one or more records, allocated on the heap (by calling malloc). | | | The singly linked <<b>bb>>listb>bb>> is a convenient way to store an unbounded array, that is create an array where one doesn't know in advance how large the array will need to be. |
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http://stsdas.stsci.edu/bps/linked_list.html
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| | CS352: Lecture -4 [F'98] |
| | Skip lists are efficient data structures which compare favorably with more sophisticated structures (e.g. | | | A Skip <<b>bb>>Listb>bb>> is a probabilistic data structure that can be used to implement the Dictionary ADT. | | | For example, to search for number 14 in our example <<b>bb>>listb>bb>>, we try level 4 first, which fails, since the first number on this level is 21. |
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http://www.cstp.umkc.edu/~mullinsj/cs352/skiplist.html
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| | Project #25: SKIP LISTS |
| | Skip lists may be viewed as trees where the header is the root, the nodes levels correspond to the levels in a tree and level 1 nodes are the leaves. | | | Skip Lists are used as an alternative to balanced trees. | | | A skip <<b>bb>>listb>bb>> is a probabilistic data structure where elements are kept sorted by key. |
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http://www.sable.mcgill.ca/~dbelan2/cs251/skip_lists.html
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| | Python: <<b>bb>>Listb>bb>> Comprehensions |
| | When you can use both, then it is often preferable to use a <<b>bb>>listb>bb>> comprehension, because this is more efficient and easier to read, most of the time. | | | The interesting thing is that we first build a <<b>bb>>listb>bb>> of non-prime numbers, using a single <<b>bb>>listb>bb>> comprehension, then use another <<b>bb>>listb>bb>> comprehension to get the "inverse" of the <<b>bb>>listb>bb>>, which are prime numbers. | | | It can be used to construct lists in a very natural, easy way, like a mathematician is used to do. |
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http://www.secnetix.de/~olli/Python/list_comprehensions.hawk
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| | skip_list.txt |
| | When a forward or head pointer is unused, depending on the implementation, its value is set to NULL or a special NULL node at the end of the <<b>bb>>listb>bb>> can be used. | | | Skip <<b>bb>>Listb>bb>> Files: skip_list.c, skip_list.h Binary trees work well when elements are inserted in random order. | | | The skip <<b>bb>>listb>bb>> implementation provided by the source files skip_list.c and skip_list.h just use NULL pointers for flexibility. |
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http://www.cosc.canterbury.ac.nz/~tad/alg/dict/skip_list.txt
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| | Skip Lists |
| | Professor Pugh sees Skip Lists as a viable alternative to balanced trees such as AVL trees or to self-adjusting trees such as splay trees. | | | Skip <<b>bb>>Listb>bb>> performance for these same operations and for any data set is about as good as that of randomly-built binary search trees - namely | | | A Skip <<b>bb>>Listb>bb>> is built with the same distribution of node sizes, but without the requirement for the rigid pattern of node sizes shown. |
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http://www.csee.umbc.edu/courses/undergraduate/341/fall01/Lectures/SkipLists/skip_lists/skip_lists.html
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| | Mirrored Display Lists |
| | Lastly, line 1070 ends the display <<b>bb>>listb>bb>> by inserting a JMP instruction (65) and telling the computer where the beginning of the <<b>bb>>listb>bb>> is. Line 1080 tells the computer to use the new display <<b>bb>>listb>bb>> by putting its address in memory locations 560 and 561. | | | In each display <<b>bb>>listb>bb>> instruction for the bottom half of the screen, the LMB (Load Memory Scan) option is set, telling the computer to treat the next two bytes as the address from which to display data for that line. | | | This address, which we must POKE in for each line of the bottom half of the display, starts at the middle of the screen (as computed in line 1025), and is decreased by one line (40 bytes) for each remaining line of the display <<b>bb>>listb>bb>>. |
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http://www.atarimagazines.com/v4n5/mirrored.html
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| | SRFI 42: Eager Comprehensions |
| | The comprehension constructs a new array of the given shape by filling it row-major with the sequence of elements as specified by the qualifiers. | | | This SRFI defines a modular and portable mechanism for eager comprehensions extending the algorithmic language Scheme [R5RS]. | | | A comprehensions is a hygienic referentially transparent macro in the sense of [R5RS, 4.3.]. |
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http://srfi.schemers.org/srfi-42/srfi-42.html
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| | mnemosyne |
| | The query <<b>bb>>listb>bb>> comprehensions only define the query and the syntax of the solutions to be returned. | | | The exact syntax of query <<b>bb>>listb>bb>> comprehensions are described in a separate section of this document. | | | The logical variables are local to a <<b>bb>>listb>bb>> comprehension and shadows any Erlang variables with the same name. |
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http://www.erlang.se/doc/doc-5.4/lib/mnemosyne-1.2.5/doc/html/mnemosyne.html
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| | Skip lists |
| | Skip lists have balance properties similar to that of search trees built by random insertions, yet do not require insertions to be random. | | | It is very unlikely a skip <<b>bb>>listb>bb>> data structure will be significantly unbalanced (e.g., for a dictionary of more than 250 elements, the chance that a search will take more than 3 times the expected time is less than one in a million). | | | Skip lists are a probabilistic alternative to balanced trees. |
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http://programmer-goddess.com/stuff/E-Books/Algorithms_Archive/node35.html
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| | Cprogramming.com Tutorial: Linked Lists |
| | Each of these individual struct or classes in the <<b>bb>>listb>bb>> is commonly known as a node. | | | Bad for the conductor (if it were a real person), but the code is simpler as it also allows us to remove the initial check for null (if root is null, then conductor will be immediately set to null and the loop will never begin): | | | To print a linked <<b>bb>>listb>bb>>, the traversal function is almost the same. |
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http://www.cprogramming.com/tutorial/lesson15.html
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| | qlc |
| | The query string is to be one single query <<b>bb>>listb>bb>> comprehension terminated by a period. | | | When a cached query <<b>bb>>listb>bb>> comprehension is evaluated again, answers are fetched from the table without any further computations. | | | This is always true for the top-most query <<b>bb>>listb>bb>> comprehension and also for the <<b>bb>>listb>bb>> expression of the first generator in a <<b>bb>>listb>bb>> of qualifiers. |
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http://www.erlang.se/doc/doc-5.4/lib/stdlib-1.13/doc/html/qlc.html
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| | Systems Guide: Scrolling |
| | The new display address is being inserted into the display <<b>bb>>listb>bb>> at this point after appropriate incrementing or decrementing of the address bytes. | | | The display <<b>bb>>listb>bb>> tells ANTIC what part ofthe 6502 memory space to display, what mode to display, whether an interrupt should be generated, and whether horizontal and/or vertical scrolling should be enabled. | | | When the appropriate bits are set in a display <<b>bb>>listb>bb>> instruction, the values in each of these registers control the number of scan lines vertically or color clocks horizontally that each line will be displaced. |
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http://www.atarimagazines.com/vbook/scrolling.html
(3460 words)
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| | <<b>bb>>Listb>bb>> Comprehension |
| | In a <<b>bb>>listb>bb>> comprehension we write down a description of a <<b>bb>>listb>bb>> in terms of the elements of another <<b>bb>>listb>bb>>. | | | From the first <<b>bb>>listb>bb>> we generate elements, which we test and transform to form elements of the result. | | | # foreach {var <<b>bb>>listb>bb>>} $var_list_pairs { append foreachs \} } # Evaluate the foreachs... |
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http://wiki.tcl.tk/3146
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| | Xah: Perl-Python Tutorial |
| | In any case, since “<<b>bb>>listb>bb>> comprehension” is mainly a syntactical convenience to built a <<b>bb>>listb>bb>>, in some languages such as Mathematica, syntactically more succinct and semantically more powerful <<b>bb>>listb>bb>>-generation takes the form of a function called Table. | | | However, the power of Python's <<b>bb>>listb>bb>> comprehension is easily achieved in Perl using a sequence of “maps” and/or anonymous function “sub {}”. | | | This construct has acquired a incomprehensible name “<<b>bb>>listb>bb>> comprehension” in computing industry and academia. |
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http://xahlee.org/perl-python/list_comprehension.html
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| | SkipList Applet: Demonstration of Skip-Lists |
| | Skip Lists are a data structure that can be used in place of balanced trees. | | | Skip lists use probabilistic balancing rather than strictly enforcing balancing and as a result the algorithms for insertion and deletion in skip lists are much simpler and significantly faster than equivalent algorithms for balanced trees. | | | Skip <<b>bb>>Listb>bb>>: A Probabilistic Alternative to Balanced Trees |
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http://iamwww.unibe.ch/~wenger/DA/SkipList
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| | The Jakarta Site - Mailing Lists |
| | This <<b>bb>>listb>bb>> is for developers building and releasing shareable components under the Jakarta Commons Subproject to ask and answer questions, as well as discuss the operation of the Commons subproject as a whole. | | | This <<b>bb>>listb>bb>> is for developers that are using commons projects in their own projects to ask questions, share knowledge, and discuss issues related to using those commons projects. | | | The developer <<b>bb>>listb>bb>> is used, along with the HiveMind Wiki, to discuss future enhancements to the HiveMind framework, and to run votes. |
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http://jakarta.apache.org/site/mail2.html
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| | xquery-algebra.html |
| | If it is empty, the match fails (returns an empty <<b>bb>>listb>bb>>); otherwise, there is one successful match, the value is the node at the head of the <<b>bb>>listb>bb>> and the remaining <<b>bb>>listb>bb>> of nodes is the tail of the <<b>bb>>listb>bb>>. | | | We find <<b>bb>>listb>bb>> comprehensions slighly easier to manipulate than the more traditional algebraic operators, but it is not hard to translate comprehensions into these operators (or vice versa). | | | These allow us to union queries, to query the position of an element in a <<b>bb>>listb>bb>>, and to form universal and existential queries. |
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http://homepages.inf.ed.ac.uk/wadler/papers/xquery-algebra/xquery-algebra.html
(4583 words)
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| | The Jakarta Site - Mailing Lists |
| | The "Developer" lists where you can send questions and comments about the actual software source code and general "development" types of questions. | | | Bringing this up for debate on a mailing <<b>bb>>listb>bb>> will add nothing new and is considered off-topic. | | | When someone sends an email message to the mailing <<b>bb>>listb>bb>>, a copy of that message is broadcast to everyone who is subscribed to that mailing <<b>bb>>listb>bb>>. |
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http://jakarta.apache.org/site/mail.html
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| | Chapter 14: Linked lists |
| | For example, we might represent a number as a <<b>bb>>listb>bb>> of digits and use an infinite <<b>bb>>listb>bb>> to represent a repeating fraction. | | | Obviously one way to modify a <<b>bb>>listb>bb>> is to change the cargo of one on the nodes, but the more interesting operations are the ones that add, remove, or reorder the nodes. | | | The reference of the third node is null, which indicates that it is the end of the <<b>bb>>listb>bb>>. |
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http://www.faqs.org/docs/thinkjava/chap14.htm
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| | list_howto |
| | Another implementation issue is that copying a singly linked <<b>bb>>listb>bb>> requires a function to reverse the <<b>bb>>listb>bb>>, because the obvious strategy of iterating over the nodes and inserting them gives us a <<b>bb>>listb>bb>> in the wrong order. | | | For example, it is possible to maintain a linked <<b>bb>>listb>bb>> in a sorted state, and hold pointers to elements in the <<b>bb>>listb>bb>>, while adding data to the <<b>bb>>listb>bb>>. | | | A topic that is often addressed in introductory computer science courses is the design and implementation of a linked <<b>bb>>listb>bb>>. |
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http://www.pegasus.rutgers.edu/~elflord/cpp/list_howto
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| | Dr. Eric Durant: CS-182 Lab 7: Final Project: Instant Messaging Buddy <<b>bb>>Listb>bb>> |
| | Design information: a listing of the main objects and how they are used in your program; some of these objects may be actual C++ data objects (e.g., a Buddy object or a vector of them) and others may be more complex (e.g., the "menu" object or the "statistics calculator" object). | | | Doing this creates a new buddy <<b>bb>>listb>bb>> that is a subset of the original; the new <<b>bb>>listb>bb>> might be empty (if all buddies received fewer than the minimum number of messages). | | | For the "read file" and "add buddy" options, have the program "pretend" that it successfully created a buddy; for the "select" option, have the program act as if there were no buddies left in the <<b>bb>>listb>bb>> after the selection. |
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http://www.msoe.edu/%7Edurant/courses/cs182/buddyList.shtml
(1820 words)
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| | Linked <<b>bb>>Listb>bb>> Tutorial |
| | Sorting linked lists can be a chore, but with careful selection of sorting algorithms, nearly constant time can be acheived. | | | The code and complexity of these algorithms is bigger, but the tradeoff is ease of use. | | | A linked <<b>bb>>listb>bb>> is simply a chain of structures which contain a pointer to the next element. |
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http://www.fortunecity.com/skyscraper/false/780/linklist.html
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| | 4.5. Filtering Lists |
| | is a <<b>bb>>listb>bb>> method that returns the number of times a value occurs in a <<b>bb>>listb>bb>>. | | | There are ways of eliminating duplicates from a <<b>bb>>listb>bb>>, but filtering is not the solution. | | | This is an extension of the <<b>bb>>listb>bb>> comprehensions that you know and love. |
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http://diveintopython.org/power_of_introspection/filtering_lists.html
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