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Topic: Comma free code


  
  Digital Revolution (II) - Compression Codes and Technologies
Most codes in recent times involve the conversion of the information involved into a representation using the the binary digits 0 and 1, because binary is the basis of most computer calculations.
This break symbol (in writing) is usually a space, comma, semicolon, etc. However, when the code words are short this means that a lot of space in the total message is used for the breaks, which is not desirable.
The nifty aspect of prefix-free codes (codes without commas in which no prefix of a code word is a code word) is that they are variable in length and, thus, offer the hope of using fewer symbols on average to send information than would be the case for block codes.
e-math.ams.org /featurecolumn/archive/compression3.html   (537 words)

  
 Prefix code
A prefix code, also called a comma-free code, is a code consisting of strings so that for any given string in the code, there is no shorter string in the code that is an initial substring of that string.
This means that when strings from the code are put together, you don't need any separators, since it's known when a string ends.
Examples of where prefix codes are used are Huffman coding and Country calling codes.
www.ebroadcast.com.au /lookup/encyclopedia/pr/Prefix_code.html   (76 words)

  
 Xymbol -- XML::Comma
Comma is written mostly in Perl, and its target demographic is the Perl programmer who must build customized, complex systems that handle very large amounts of dynamic content.
Comma defines a number of discrete "processes" in the "life-cycle" of a document and provides a framework that abstracts basic activities common to those process.
Comma's core assumption is that the fastest, most efficient and most flexible way to specify something, or to transform something, or to keep track of something, is usually to write a little bit of Perl code.
xml-comma.org   (1333 words)

  
 Prefix code - Wikipedia, the free encyclopedia
A prefix code is a code which meets the "prefix property", which is that no code word is a prefix of any other code word in the set.
A code which uses code words {0,10,11} meets the prefix property; a code whose set is {0,1,10,11} does not because "1" is a prefix of both "10" and "11".
Morse code is an everyday example of a variable-length code with a comma.
en.wikipedia.org /wiki/Comma-free_code   (1217 words)

  
 Mayukh's World
The comma operator is a binary operator and we can overload it similar to any other binary operator (as we saw in the previous section).
Another reason is that the comma operator is very low in the operator precedence order, hence you may need to use parenthesis to force the C++ compiler to use your overloaded function.
One use for the comma operator is actually used by a few commercial C++ libaries.
www.mayukhbose.com /tutorials/overloading/comma.php   (434 words)

  
 [No title]
When the "else" keyword is used, the code between the "if" and the "else" is executed if the condition is met, otherwise, the code between the "else" and "end if" is executed.
NOTE: When the code is compiled, the "rem" statement writes a comment into the assembler source code (for use with debugging).
The code within the "loop" and "exit loop" is executed until the variable 'loop_var' is equal to 'exit_when_equal_to'.
www.vmuscript.8m.com /command_reference.html   (1359 words)

  
 Freeware Download: Free Source Code
Using standard browser View Source functions php code is not displayed as it is processed by the server prior to the page being delivered to the browser.
VBA Code Compare allows you to download the source code of two modules, compare them, synchronize (merge) different parts of code, edit the code before and after comparing and save the changes.
Full source code and documentation of the algorithm and the master's thesis it is based on are included.
www.dirfile.com /freeware/free-source-code.htm   (2423 words)

  
 KB9JJA - The Code   (Site not responding. Last check: 2007-10-12)
Code tests usually last about five minutes; if 65 consecutive characters at the required rate are copied correctly anywhere during the five minute period, the applicant is usually considered to have passed the test successfully.
Since code reading requires that individual letters be recognized instantly, any memorizing scheme which depends upon orderly sequence, such as learning all "dah" letters and all "dit" letters in separate groups, is to be discouraged.
When two co-learners have memorized the code and are ready to start sending to each other for practice, it is a good idea to enlist the aid of an experienced operator for the first practice session or two so that they will get an idea of how properly formed characters sound.
webpages.charter.net /dalewentz/kb9jja/code   (5762 words)

  
 questions   (Site not responding. Last check: 2007-10-12)
The authors assert in the introduction that in an error where a channel returns a word which is not in the language, the language is usually coded.
Is a comma free code equivalent to an infix code that is an overlap-free language?
Is it true that : For every SID-channel there is nonnegative integer t and a code K such that K is (, t) Ðdetecting and K is not (, t+1)- detecting.
www.math.usf.edu /~jonoska/kursevi/automata/q4-23.html   (268 words)

  
 FAQ - frequently asked questions about XML::Comma
Comma specifies an XML-based document definition format, encourages Perl code to be embedded in these definitions, and specifies an API for manipulating documents and document collections.
Comma includes functionality to store sets of documents in ordered, extensible ways, and integrates with a relational database to index, sort and retrieve collections of documents.
For example, Comma's ``Inline'' parser is about twice as fast as the general-use XML parsers against which we've benchmarked it (because Comma documents aren't allowed to make use of all parts of the XML specification).
xml-comma.org /faq-filter.html   (1270 words)

  
 To amend the Internal Revenue Code of 1986 to allow penalty-free distributions from qualified retirement plans on ...
H. To amend the Internal Revenue Code of 1986 to allow penalty-free distributions from qualified retirement plans on account of the death or disability of the participant's spouse.
To amend the Internal Revenue Code of 1986 to allow penalty-free distributions from qualified retirement plans on account of the death or disability of the participant's spouse.
(B) Subparagraph (A) of section 403(b)(11) of such Code is amended by inserting before the comma at the end `or when the spouse of the employee dies or becomes disabled (as so defined)'.
www.theorator.com /bills108/hr64.html   (391 words)

  
 Code 39 dBest Barcode Font for Windows
Code 39 TrueType Barcode Font for Windows may be displayed and printed from almost any Windows product.
Code 39 supports all upper case alpha characters (A - Z), all numeric characters (0 - 9) and 7 special characters (-.
Single User License: Code 39 dBest Barcode Font for Windows (Single User) is designed for use in a custom application that runs on a single machine.
www.hallogram.com /barcodes/bcfonts/code39/index.html   (298 words)

  
 autoSql and autoXml: Code Generators from the Genome Project | Linux Journal
The CGI source code is C, and the genome data is stored in an SQL database.
The browser source code has to deal with data formats for gene prediction and for similarities between the human genome and the genomes of other species.
Reading structures without having to write code to load them up a field at a time is nice, but sometimes you need to write structures, too.
www.linuxjournal.com /article.php?sid=5949   (2539 words)

  
 Writing Bug-Free C Code: Style Guide
The code within the function uses inline comments to document the code and follows the blank line before an inline comment rule.
The problem with this code is that the data type of pBeg is char* and the data type of pEnd is char, which is more than likely not what was intended.
The comma operator is typically used to treat two expressions as one.
www.duckware.com /bugfreec/chapter8.html   (1324 words)

  
 Dealing with Comma Delimited Strings
In this situation there is a column in a table that holds a series of values that are separated by a comma.
This code concatenates a comma with the value of the “item” column and adds it to the variable @p.
One example showed you how to break apart comma separated data, where as the other one showed you how to join multiple records into a single record where the data was separated by commas.
www.databasejournal.com /features/mssql/article.php/3634381   (1250 words)

  
 QSM Source Code Counter Links
QSM does not endorse any code counting tool and no warranty, express or implied, is offered as to the suitability of any tool for any purpose.
The CodeCount toolset is provided in source code only, and may be used as is, modified or further distributed subject to certain limitations.
Given two files containing successive versions of Java source code, can perform a hierarchical "diff" of the two files, producing the number of new and changed packages, classes, methods, and lines of code within each method.
www.qsm.com /CodeCounters.html   (1003 words)

  
 GNU.FREE: Heavy-Duty Internet Voting
There are four packages, which for security reasons, are totally independent of each other (though in fact some of their code is nearly identical).
Free is the package that contains the program at the very heart of the GNU.FREE system, RTServer (short for Regional or Totaller Server) this receives the votes and adds them up for a final result.
The code is heavily commented, so open it up and take a look if you're interested - this file isn't going to repeat what's already there.
www.free-project.org /users/gs.html   (1183 words)

  
 The Nature of Scientific Inquiry
Because this coding scheme gave the "magic number" 20, the exact number of amino acids for which codes were needed, they concluded that it may "perhaps be of biological significance" (Crick, Griffith and Orgel 1957, p.
Crick extolled the aesthetic properties of their comma free code: "Naturally Orgel, Griffith, and I were excited by the idea of a comma-free code.
Nature's code is less elegant than Crick's because some of the twenty amino acids are coded for by more than one triplet, a messy result excluded by Crick's comma-free code with its "magic number" of twenty.
www.philosophy.umd.edu /Faculty/LDarden/sciinq   (7572 words)

  
 Zip Code Database Software - The Zip Code Distance Wizard
All you do is type in a ZIP Code, specify the radius distance in miles, and within seconds, a list of ZIP Codes that fall within that radius is displayed.
The ZIP Code Distance Wizard permits you to export or copy the results to either a comma separated value (CSV) file, or to the Windows Clipboard.
Enter a single ZIP Code as the "anchor" or "begin point", and then enter one or more "destination" or "end point" ZIP Codes, and the Wizard will display the distances between the anchor and the destination ZIP Codes.
www.pc-shareware.com /zipcodewiz.htm   (328 words)

  
 Sonification of Basketball Games   (Site not responding. Last check: 2007-10-12)
In constructing a comma-free code, an n element alphabet and a set of code words each of length k over that alphabet are chosen in such a way that if any sufficiently long fragment of a series of code words is selected the code words can be recognized uniquely.
This problem is interesting because it is simple enough to understand (help the coaching staff recognize which combinations of players are most effective) but because the data is relatively complex (there are 12 players on the team, only 5 play at a given time, and player performance is of course not consistent).
As a case study we initially hand coded simplified data from the first half (20 minutes) of the West Virginia Universitgy versus University of Georgia basketball game of December 2, 1998.
www.csee.wvu.edu /~vanscoy/vsmm99/web1/FLVS.HTM   (3381 words)

  
 Know Dot Net - Regex for Comma Delimited Text
I was faced with parsing a truly comma delimited text file in a project recently and started writing a regular expression to handle it.
The file that I am working with, optionally uses double quotes to enclose fields that could potentially have embedded commas, but does not use them for fields that can't have commas.
Embedded quotes should be doubled, but the customer may not always be right, but the customer is always the customer and sales-driven organizations must be able to handle what the customer sends in many times, like it or not.
www.knowdotnet.com /articles/commadelimitedregex.html   (497 words)

  
 ZIP Code Specialists - GreatData.com - Welcome
A: Pro-Zipcode is usually used in marketing and has one record per ZIP Code with the primary city for that ZIP Code.
Pro-Zipcode Deluxe can have multiple cities per ZIP Code (when ZIP Codes cross city limits) and is primarily used in Order Entry applications where you key in a ZIP Code to find the correct city and state.
We recommend that about once a year you purchase one of their additions (which is about $90.00) and run it through your database to clean up your addresses.
www.greatdata.com /zipcodefaqs.php   (654 words)

  
 geocoder.us: a free US address geocoder
This code is in Beta status, which means it probably works, but I don't yet have the programmer courage to label it 'done.'
Geocoder.us is a public service providing free geocoding of addresses and intersections in the United States.
For best results please use a comma between the street and the city, and add the zip code if possible.
www.geocoder.us   (845 words)

  
 Zip Code Companion
Zip Code Companion is a convenient database to find the zip codes for specific cities, states, and even area codes in 42,000 U.S. cities/localities.
And, just enter a zip code and it provides the matching city, state, and area code, along with the time of day.
This program is free to try for 30 days, and support is offered to registered users.
www.sharewarejunkies.com /8zwd9/zip_code_companion.htm   (184 words)

  
 Comma Replacing - ASP Free
Comma Replacing ASP Development forum discussing ASP related topics including coding practices, ASP tips, and more.
Life should NOT be a journey to the grave with the intention of arriving safely in an attractive and well preserved body, but rather to skid in sideways, chocolate in one hand, martini in the other, totally exhausted and screaming, "WOO HOO what a ride!!!"
Learn how automating test execution and team communication can free testers from low-value tasks and allow them to focus on uncovering the complex and often hidden flaws that can derail successful software deployments.
forums.aspfree.com /asp-development-5/comma-replacing-22730.html   (673 words)

  
 Parsing comma-delimited strings into a Visual Foxpro array
After the code is executed, the variable nRows will contain the number of elements in the array.
Feel free to download and use any code or components, and to pass around copies of the articles (but please do not remove our copyright notices or disclaimers).
Do not use code, components or techniques unless you are satisfied that they will work correctly in your applications.
www.ml-consult.co.uk /foxst-15.htm   (519 words)

  
 MaxMind - World Cities with Population
Note that we offer a free version of the MaxMind World Cities [33 MB download, updated August 9th, 2006] [license] database - the difference between the free version and the paid version is that only the paid version has population data for 34,894 major cities.
The free version uses toponymic information, based on the Geographic Names Data Base, containing official standard names approved by the United States Board on Geographic Names and maintained by the National Geospatial-Intelligence Agency.
The paid version is based on free population data © by Stefan Helders www.world-gazetteer.com.
www.maxmind.com /app/worldcities   (397 words)

  
 Mexican Código Postal | State | Latitude Longitude | City | Time Zone | Area Code
The geographic coordinate of a point measured in degrees north or south of the equator.
Includes ZIP code, city name, alias city name, state code, phone area code, city type, county name, country FIPS, time zone, day light saving flag, latitude, longitude, county elevation MSA, PMSA, CBSA and Census 2000 data in United States.
Includes postal code, city name, province name, phone area code, timezone, daylight saving flag, latitude, longitude, population, total dwellings, elevation and street name in Canada.
www.zipcodeworld.com /mexicopostalcodegold.htm   (361 words)

  
 Free Esoteric, Obfuscated, Unusual and Downright Crazy Programming Languages (Compilers / Interpreters) ...
Programmers who find themselves cursing and swearing at their source code can take heart.
However, before you write it off as a totally useless endeavour, you should be aware that the DeCSS algorithm (which decrypts the system used to protect DVDs) has been ported to this language.
Dis is supposed to be the easier of this evil pair of languages; it was created by the author (in a fit of compassion?) after finding that Malbolge "defied current attempts to use it".
www.thefreecountry.com /compilers/esoteric.shtml   (1053 words)

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