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Code Lean and Mean

Contest Rules and Entry Requirements

  1. Qualifying articles must calculate and display the changes between two HTML files as fast as possible using the least amount of memory possible.
  2. Timing data and maximum memory use reporting must be included in the application.
  3. The contest will begin on August 10 and end on August 31, 2009 at 11:59:59 PM US Eastern Standard Time. All entries must be submitted during this period in order to qualify.
  4. No cheating, lying, or cussing and keep it above the belt.
  5. Our judges' decision is final and no correspondence will be entered into.
  6. Only those who live in jurisdictions in which this contest is legal may enter.
  7. Any breach of the rules will result in the prize being awarded to another entrant.
  8. By entering the contest you agree to the rules, conditions of entry, and agree that your name, member profile information, and article can be used for promotional purposes by The Code Project.
  9. Entries shall be deemed to be submitted by the authorized account holder of the e-mail address submitted at the time of entry unless clearly indicated otherwise. "Authorized account holder" is defined as the natural person who is assigned to an e-mail address by an internet access provider, on-line service provider, or other organization (e.g. business, educational institution, etc.) that is responsible for assigning e-mail addresses for the domain associated with the submitted e-mail address.
  10. The Code Project reserves the right to add to this contest.


This competition is open to software development professionals & enthusiasts who are of the age of majority in their jurisdiction of residence; however, residents of Quebec and of the following countries are ineligible to participate due to legal constraints: Cuba, Iran, Iraq, Libya, North Korea, Sudan, and Syria. Employees (or a member of their immediate family) of The Code Project or any of their affiliates, subsidiaries, advertising or promotional agencies are also ineligible to participate. Void where prohibited by law.

Determination of Winner

All entries will be reviewed and rated by members of The Code Project community, as well as undergo the review of judges appointed by The Code Project. A winner will be determined by The Code Project's selected judges, after taking into consideration the comments and ranking of entries by members of The Code Project community, on the basis of which entry best meets the judging criteria set forth.

Judging criteria includes but is not limited to

  • Efficiency, determined as speed and memory use.
  • How tightly an entry adheres to the conditions of entry, including article focus and scope
  • Broad applicability to a wide variety of developers
  • Overall article quality, coherence and structure
  • Amount of discussion an entry generates in its forum area

How To Enter         

Entry is by the normal article submission process or as described above. Please read the submission guidelines before submitting your entry.

Lost, late, misdirected, or illegible entries will be disqualified. Any entry containing content that The Code Project deems objectionable for any reason will be disqualified. All decisions of The Code Project with respect to any aspect of the competition, including, without limitation, the eligibility of entries, are final and binding on all entrants in all matters as they relate to this competition. The Code Project reserves its right to modify the Rules.

All entries become the property of The Code Project who assumes no responsibility for lost, late, delayed, destroyed or misdirected mail, voice messages, e-mail or any computer errors or malfunctions. No correspondence will be entered into with entrants.

The Code Project does not assume any responsibility for incorrect or inaccurate capture of entry information, technical malfunctions, human or technical error, lost, delayed or garbled data or transmissions, omission, interruption, deletion, defect or failures of any telephone or computer line or network, computer equipment, software or any combination thereof. Entry materials/data that have been tampered with or altered are void. If for any reason, in the opinion of The Code Project in its sole discretion, the competition is not capable of running as originally planned, or if the administration, security, fairness, integrity or the proper conduct of the competition is corrupted or adversely affected, including by reason of infection by computer virus, bugs, tampering, unauthorized intervention, fraud, technical failures or any other causes beyond its control, The Code Project reserves its right to cancel, terminate, modify, amend, extend or suspend the competition including cancelling any method of entry, and select a winner from previously received eligible entries. The Code Project reserves its right in its sole discretion to disqualify any individual it finds to be tampering with the entry process or the operation of the competition or to be acting in violation of the Rules or otherwise in a disruptive manner. The Code Project reserves its right to seek remedies and damages to the fullest extent of the law for any attempts to deliberately damage the competition web site or to undermine the legitimate operation of this competition. The Code Project shall not be held responsible for any errors or negligence that may arise or occur in connection with the competition including any damage to an entrant's computer equipment, system, software or any combination thereof, as a result of their participation in this competition or from downloading any material from the competition website where applicable.

Intellectual Property

It is a condition of entry that you grant to The Code Project a royalty-free, non-exclusive, transferable, irrevocable, perpetual, worldwide license to reproduce, and otherwise use and publicly display your entry (in part or in its entirety) in any and all media for any purpose. All entries submitted and judged as winners may appear on The Code Project Web site(s). Entries will not be returned. All articles submitted by you will retain your copyright and will be attributed to you.

Your warranties

It is a condition of entry that you confirm that your entry: is original; has not been previously published, released, distributed or submitted or used for study or work-related purposes; has been created by you; and is owned exclusively by you, or where you enter as part of a group, by the individual members of that group; is virus-free; and complies with Canadian law.


It is a condition of entry that you agree that to the extent permitted by law that The Code Project, its retailers, suppliers, associated companies and agencies will not be liable for any direct, indirect or consequential loss or damage whatsoever, including personal injury, which is suffered as a result, or arising from, any person participating in the competition or on connection with winning any prize.

Before being awarded a Prize, a potential winner may be required to sign and return within the time stipulated by The Code Project, a full release and indemnity form stating that he/she has read and understood these official rules and regulations ("Rules"), grants all consents required, authorizes The Code Project to broadcast, publish and disseminate his/her name, city of residence, photograph, likeness, sobriquet and voice, in connection with any promotion or publicity, and/or for general news, entertainment and information purposes at no additional compensation to the potential winner, beyond the awarding of or participation in the Prize, accepts the Prize as offered and releases The Code Project from any and all liability of any kind arising out of the potential winner's participation in the competition and receipt and use of the Prize.

In the event that the potential winner does not comply with all the provisions as contemplated in these Rules, The Code Project shall have the right to disqualify the potential winner and award the prize to an alternative winner and The Code Project shall be fully and completely released and discharged from any liability or responsibility in this regard.

Notification of prize winners

The Code Project will make reasonable efforts to notify a prize winner, however The Code Project may disqualify your entry and select an alternative winner if your prize or prize notification is returned to The Code Project as undeliverable.


It is a condition of entry and of receiving the benefit of the prize that prize winners agree to the use of their images, names, article in any publicity desired by The Code Project, without compensation. By entering this competition, each entrant consents to the collection, use and distribution of his/her personal information (information that identifies an entrant as an individual, such as home telephone number, age and home address) by The Code Project for the purposes of implementing, administering and fulfilling this competition. The Code Project will not sell or transmit this information to third parties except for the purposes of administering this competition. Any inquiry concerning the personal information held by The Code Project should be addressed to The Code Project at 250 Ferrand Drive, Suite 503, Toronto, Ontario, M3C 3G8, Canada.

No relationship with The Code Project

Participating in the competition does not constitute any form of employment or contractor relationship between you and The Code Project.

Governing law

The competition is governed by the laws of Ontario, Canada and the applicable federal laws of Canada. The competition is subject to all applicable federal, provincial, state and municipal laws and regulations. This competition is void where prohibited by law.

Current winners list

GeneralDeltaScope updated Pin
Christopher Erker2-Sep-09 11:54
memberChristopher Erker2-Sep-09 11:54 
General[Contest Entry] Pin
Sean Ewington1-Sep-09 11:30
staffSean Ewington1-Sep-09 11:30 
GeneralRe: [Contest Entry] Pin
Christopher Erker1-Sep-09 12:06
memberChristopher Erker1-Sep-09 12:06 
General...and a C# version for me too Pin
Eric Haddan31-Aug-09 17:15
memberEric Haddan31-Aug-09 17:15 
General[Contest Entry] Pin
Nick Butler31-Aug-09 10:23
mentorNick Butler31-Aug-09 10:23 
General[Contest Entry] Pin
Nick Butler31-Aug-09 3:47
mentorNick Butler31-Aug-09 3:47 
GeneralAnother C++ entry Pin
Alain Rist29-Aug-09 23:26
memberAlain Rist29-Aug-09 23:26 
GeneralAnother C++ entry updated Pin
Alain Rist31-Aug-09 11:44
memberAlain Rist31-Aug-09 11:44 
GeneralMy C++ Entry Pin
Eric Haddan29-Aug-09 16:05
memberEric Haddan29-Aug-09 16:05 
GeneralMy entry (PIEBALDdiff) [modified] Pin
PIEBALDconsult28-Aug-09 16:21
memberPIEBALDconsult28-Aug-09 16:21 
GeneralRe: My entry (PIEBALDdiff) Pin
Luc Pattyn28-Aug-09 16:44
mvpLuc Pattyn28-Aug-09 16:44 
GeneralRe: My entry (PIEBALDdiff) Pin
PIEBALDconsult29-Aug-09 6:29
memberPIEBALDconsult29-Aug-09 6:29 
GeneralNew entry Pin
Luc Pattyn27-Aug-09 6:27
mvpLuc Pattyn27-Aug-09 6:27 
GeneralNew version of old entry Pin
Luc Pattyn31-Aug-09 16:58
mvpLuc Pattyn31-Aug-09 16:58 
GeneralRe: New entry Pin
Michael Scott Smith1-Sep-09 4:55
memberMichael Scott Smith1-Sep-09 4:55 
GeneralRe: New entry Pin
Luc Pattyn1-Sep-09 5:06
mvpLuc Pattyn1-Sep-09 5:06 
GeneralRe: New entry Pin
Michael Scott Smith1-Sep-09 12:59
memberMichael Scott Smith1-Sep-09 12:59 
GeneralRe: New entry Pin
Michael Scott Smith1-Sep-09 13:08
memberMichael Scott Smith1-Sep-09 13:08 
General[Contest Entry] Pin
Nick Butler27-Aug-09 4:48
mentorNick Butler27-Aug-09 4:48 
NewsRe: [Contest Entry] Updated Pin
Nick Butler28-Aug-09 8:37
mentorNick Butler28-Aug-09 8:37 
GeneralSubmitted article for this contest. Pin
Gaurav Dudeja India27-Aug-09 0:51
memberGaurav Dudeja India27-Aug-09 0:51 
AnswerThe O(ND) diff algorithm is on CodeProject since 2006 [modified] Pin
Matthias Hertel24-Aug-09 11:35
memberMatthias Hertel24-Aug-09 11:35 
General[Contest Entry] Code Lean and Mean File DIFF (FIFF) Application [modified] Pin
Ilka Guigova23-Aug-09 16:50
memberIlka Guigova23-Aug-09 16:50 
GeneralNo problem. What's the coding job pay? Pin
Edwin Smith21-Aug-09 14:00
memberEdwin Smith21-Aug-09 14:00 
General[Contest entry] An LCS based diff-ing library in C# Pin
Nishant Sivakumar20-Aug-09 20:29
sitebuilderNishant Sivakumar20-Aug-09 20:29 
GeneralA line-by-line solution in C# Pin
psouza4micronet20-Aug-09 11:28
memberpsouza4micronet20-Aug-09 11:28 
GeneralRe: A line-by-line solution in C# Pin
Peter Souza26-Aug-09 7:49
memberPeter Souza26-Aug-09 7:49 
GeneralRe: A line-by-line solution in C# Pin
Chris Maunder26-Aug-09 12:18
adminChris Maunder26-Aug-09 12:18 
GeneralRe: A line-by-line solution in C# Pin
Peter Souza26-Aug-09 12:21
memberPeter Souza26-Aug-09 12:21 
GeneralMyEntry Pin
darkoman20-Aug-09 7:10
memberdarkoman20-Aug-09 7:10 
GeneralMy Entry for Lean & Mean Pin
Wasiq Amjad Bhamla15-Aug-09 11:53
memberWasiq Amjad Bhamla15-Aug-09 11:53 
GeneralMuch more challenging Pin
BillHudson14-Aug-09 9:36
memberBillHudson14-Aug-09 9:36 
GeneralSome references Pin
Rosenne14-Aug-09 7:08
memberRosenne14-Aug-09 7:08 
GeneralMy Entry Pin
Matthew Hazlett12-Aug-09 18:03
memberMatthew Hazlett12-Aug-09 18:03 
GeneralRe: My Entry Pin
Matthew Hazlett12-Aug-09 22:11
memberMatthew Hazlett12-Aug-09 22:11 
GeneralRe: My Entry [modified] Pin
Matthew Hazlett13-Aug-09 12:42
memberMatthew Hazlett13-Aug-09 12:42 
GeneralRe: My Entry Pin
Member 393164920-Aug-09 2:55
memberMember 393164920-Aug-09 2:55 
GeneralRestrictions on multiple entries Pin
Daniel Vaughan12-Aug-09 8:27
memberDaniel Vaughan12-Aug-09 8:27 
GeneralRe: Restrictions on multiple entries Pin
Chris Maunder12-Aug-09 9:33
adminChris Maunder12-Aug-09 9:33 
GeneralRe: Restrictions on multiple entries Pin
Luc Pattyn27-Aug-09 12:22
mvpLuc Pattyn27-Aug-09 12:22 
GeneralRe: Restrictions on multiple entries Pin
Chris Maunder27-Aug-09 13:09
adminChris Maunder27-Aug-09 13:09 
GeneralRe: Restrictions on multiple entries; also bug report Pin
Luc Pattyn27-Aug-09 13:20
mvpLuc Pattyn27-Aug-09 13:20 
QuestionCondition of entry - has not been previously published Pin
Rosenne12-Aug-09 7:18
memberRosenne12-Aug-09 7:18 
AnswerRe: Condition of entry - has not been previously published Pin
Chris Maunder12-Aug-09 7:56
adminChris Maunder12-Aug-09 7:56 
GeneralHow generic should the solution be ? Pin
Moreno Airoldi12-Aug-09 4:22
memberMoreno Airoldi12-Aug-09 4:22 
GeneralRe: How generic should the solution be ? Pin
Chris Maunder12-Aug-09 4:33
adminChris Maunder12-Aug-09 4:33 
GeneralRe: How generic should the solution be ? Pin
Moreno Airoldi12-Aug-09 7:57
memberMoreno Airoldi12-Aug-09 7:57 
JokeNew competition Pin
Adriaan Davel11-Aug-09 20:30
memberAdriaan Davel11-Aug-09 20:30 
GeneralAge limit, or not? Pin
GMorris11-Aug-09 7:12
memberGMorris11-Aug-09 7:12 
GeneralRe: Age limit, or not? Pin
Chris Maunder11-Aug-09 7:16
adminChris Maunder11-Aug-09 7:16 

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