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• Checking for duplicates in a vector

  - by xbonez

  I have to check a vector for duplicates. What is the best way to approach this: I take the first element, compare it against all other elements in the vector. Then take the next element and do the same and so on. Is this the best way to do it, or is there a more efficient way to check for dups?

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• Visual Studio Freezing/TFS Window Might be off screen

  - by spilliton

  I am using Visual Studio 2005 with Team Foundation Server. When I right click a file under the source control and choose "compare" VS appears to freeze until I hit escape. My guess is that the window that is supposed to be popping up is somewhere I can't get to. I tried minimizing all the windows that I can and it is nowhere to be found.

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• Real time web mashup

  - by luca

  Apart from the legal issues.. I'd like to create a website that is the exact copy of another website (I do not own but I know will let me do this) where I change a few things, mainly swap images and hide some divs.. So my "website".. how should I build it? I thought something like an Iframe and javascript but I have no idea if this makes sense.. any idea?

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• Digest authentication using LDAP only

  - by Elephant

  Is there a way to validate digest authentication using LDAP only? I.e. if I have the following request from a client (stealed from Wikipedia): GET /dir/index.html HTTP/1.0 Host: localhost Authorization: Digest username="Mufasa", realm="[email protected]", nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093", uri="/dir/index.html", qop=auth, nc=00000001, cnonce="0a4f113b", response="6629fae49393a05397450978507c4ef1", opaque="5ccc069c403ebaf9f0171e9517f40e41" could I validate the user against LDAP, meaning if I don't now user password hence is not able to construct a digest hash to compare with the response?

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• Force DATABASE ALTER ignoring errors

  - by Felipe Fiali

  As the name says, force the alter database to alter its collation ignoring the error message that I get from functions or calculated columns that compare data. Is there a way to do so? Like IGNORE_ERRORS or something like that? Thanks a lot!

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• implementation of a queue using a circular array

  - by matin1234

  Hi I have found these algorithms in the internet but I can not understand that why in the enqueue method we compare size with N-1??? please help me thanks!! Algorithm size(): return (N-f+r)mod N Algorithm enqueue(e): if size()=N-1 then throw a FullQueueException Q[r]<---e r<----(r+1)mod N

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• Comparing floats in their bit representations

  - by sczizzo

  Say I want a function that takes two floats (x and y), and I want to compare them using not their float representation but rather their bitwise representation as a 32-bit unsigned int. That is, a number like -495.5 has bit representation 0b11000011111001011100000000000000 or 0xC3E5C000 as a float, and I have an unsigned int with the same bit representation (corresponding to a decimal value 3286614016, which I don't care about). Is there any easy way for me to perform an operation like <= on these floats using only the information contained in their respective unsigned int counterparts?

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• Is there a JVM aimed at debugging concurrent software?

  - by Roger Wernersson

  I've used Concurrent Pascal, a tool which helps debug concurrent algorithms because when it runs your code, it randomizes which thread to swap to at every possible step, trying out as many paths as possible. Is there a JVM that can do this?

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• Any big difference between using contains or loop through a list?

  - by Nazgulled

  Hi, Performance wise, is there really a big difference between using: ArrayList.contains(o) vs foreach|iterator LinkedList.contains(o) vs foreach|iterator HashMap.(containsKey|containsValue) vs foreach|iterator TreeMap.(containsKey|containsValue) vs foreach|iterator Of course, for the foreach|iterator loops, I'll have to explicitly compare the methods and return true or false accordingly. The object I'm comparing is an object where equals() and hashcode() are both properly overridden.

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• Will css position method affect browser rendering performance?

  - by Relax

  Considerring two DIVs A and B, which A includes B, and CSS: A { margin-left: -2000px; } B { margin-left: 2000px; } with this CSS, position of B is no difference to its situation with no CSS, i want to know will there be a performance decrease when rendering? Compare to the case of no CSS.

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• Color Comparison of two images using matlab

  - by user265536

  Is it possible to compare the color of two images using Matlab if the two images are of different sizes?The problem that am facing is that, i want to detect the presence of a colored patch in an image?

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• Recommend crossplatform C++ UI and networking libraries

  - by Ivan Peevski

  Things to take into consideration: - easy to use - fast - use underlying OS as much as feasable (like wxWidgets for UI) Ones I am leaning towards are wxWidgets for UI and Boost for networking - how do they compare to others?

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• How to make ListFind() to consider a string having a comma in it as a complete single string.

  - by Somu

  Hi, I got a problem in using listfind(). I have a list of strings.One of my string has a comma. Now when i use listfind() to compare with another string I dont get the output expected. i.e The string with a comma in it is not detected. Please can anyone tell me how to make the listfind to work even for the string having comma in it ?

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• Searching NSString in XML database, Iphone

  - by user358170

  My project is like a classifieds kind of stuff.. I have a search text box in the first page. When the user enters some text in that, i need to compare that text to the XML file from where all the data are being recieved, and should list out all the advertisements in the Table View (next page).. I had did this kind of search in sql database..but not with XML.. Just need some help..

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• Good concurrency example of Java vs. Clojure

  - by Michiel Borkent

  Clojure is said to be a language that makes multi-thread programming easier. From the Clojure.org website: Clojure simplifies multi-threaded programming in several ways. Now I'm looking for a non-trivial problem solved in Java and in Clojure so I can compare/contrast their simplicity. Anyone?

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• how to fetch data from multiple tables MySQL

  - by faisal

  hi all, I am looking some help in php+MySQL+jquery I have 2 tables table1 table 1 have 4 colume (id, title, desc, thumb_img) tabel2 table 2 have 3 colume(id, table1id, img) I just want to compare 2 table with the value of $_get['QS']; and show the records from both (title, desc, img) Looking forward for the help.:)

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• php script to find synonyms

  - by websiteguru

  Im writing a php script to compare the similarity of 2 strings. This works pretty good at the moment, but what I would like to do is match words when one is a synonym of the first. Any thoughts?

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• VIM: Encryption key.

  - by tr-sugumar

  I'm having one doubt about the VIM ENCRYPTION key. I having a text file, I encrypted that file using :X Now, where the encrypted key is stored. If I open a the file it asked Encryption key. How it compare my key with the original key?

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• Help me understand FFT function (Matlab)

  - by estourodepilha.com

  1) Besides the negative frequencies, which is the minimum frequency provided by the FFT function? Is it zero? 2) If it is zero how do we plot zero on a logarithmic scale? 3) The result is always symmetrical? Or it just appears to be symmetrical? 4) If I use abs(fft(y)) to compare 2 signals, may I lose some accuracy?

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• How to perform a select using a WHERE NOT EXISTS

  - by Peter Bridger

  I'm using LINQ2SQL and I want to compare two tables and select all rows that are missing from one tables (based upon one of the column values). In standard SQL I would write this as: SELECT FirstName, LastName, RefId, Email FROM Users_ActiveDirectory AS ADU WHERE NOT EXISTS ( SELECT U.RefId FROM Users AS U WHERE U.RefID = ADU.RefId ) However I'm not sure how to achieve the same result using LINQ2SQL?

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• How to get only the last two files within a folder using c#

  - by CB

  I'm trying to figure out how to get only the last two files within a folder, so that I can merge them together using c#. The files are csv files and I've looked at File.CreationTime, but don't know exactly how to compare on it, so that I'm working only with the last two files. How can I do this?

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• lock-free memory reclamation with 64bit pointers

  - by JDonner

  Herlihy and Shavit's book (The Art of Multiprocessor Programming) solution to memory reclamation uses Java's AtomicStampedReference<T>;. To write one in C++ for the x86_64 I imagine requires at least a 12 byte swap operation - 8 for a 64bit pointer and 4 for the int. Is there x86 hardware support for this and if not, any pointers on how to do wait-free memory reclamation without it?

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• Why the amount of open source commits has decreased dramatically in 2009-2010 (according to ohloh.ne

  - by villelaitila

  Declining commit graph at ohloh.net: http://www.ohloh.net/languages/compare?commit=Update&l0=c&l10=lisp&l11=csharp&l12=-1&l1=html&l2=java&l3=php&l4=perl&l5=python&l6=haskell&l7=clojure&l8=scala&l9=ruby&measure=commits

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• Python: Comparing specific columns in two csv files

  - by coder999

  Say that I have two CSV files (file1 and file2) with contents as shown below: file1: fred,43,Male,"23,45",blue,"1, bedrock avenue" file2: fred,39,Male,"23,45",blue,"1, bedrock avenue" I would like to compare these two CSV records to see if columns 0,2,3,4, and 5 are the same. I don't care about column 1. What's the most pythonic way of doing this? EDIT: Some example code would be appreciated.

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• Java compilation with two versions of Eclipse

  - by lepnio

  I've got an old project in Eclipse 2.1 and compiled with a JDK 1.4.2_12. I want to upgrade the version of Eclipse to Eclipse Galileo. I've imported my project and set the compilation level to 1.4 and I've also updated my build path to use the correct JDK. The problem is that when I compare the compiled files in the classes folder in the two versions of Eclipse, the MD5 checksum are different. Should I be worried about that fact or this is normal?

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