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Finding differences between two images and update the second image

Hello, How do I find the difference between 2 images? replace the difference in the second image to make both images identical? I've found answers for the first part...but not for the first and second combined.... I would appreciate any help Thanks so much Edit: I'm using C#.Net Soucrs I've found so far... http://stackoverflow....

Compare arrays and remove duplicates, in Ruby?

What would be the easiest way to compare multiple arrays, and remove duplicates? So (arrays inside arrays in this case)... a = [[2, 1], [3, 3], [7, 2], [5, 6]] b = [[2, 1], [6, 7], [9, 9], [4, 3]] c = [[2, 1], [1, 1], [2, 2], [9, 9]] d = [[2, 1], [9, 9], [2, 2], [3, 1]] ...would come out (with priority given to array a, the...

Comparing an array and getting the difference

How would I compare two arrays that might have different lengths and get the difference between each array? For example: Animal animals[] = { new Cat(), new Dog() }; Animal animals2[] = { new Cat(), new Dog(), new Alligator() }; How would I compare them two arrays and make it return the instance of Alligator? ...

Compare two strings regardless of case size in perl

is there anyway to compare two strings regardless of case size? For Example "steve" eq "STevE" <----- these would match "SHOE" eq "shoe" You get the picture ...

How to find the amount of pixels by which an image has moved?

Hello friends, I am trying to calculate by how much an object has moved in each consecutive image captured from a stationary camera. What we're testing here is the repeatability of our setup to place an object in the same place each time. The object in question has a stamp placed on its center that has a simple shape on it (see below)...

Reading and comparing lines in a file using Python.

I have a file of the following format. 15/07/2010 14:14:13 changed_status_from_Offline_to_Available 15/07/2010 15:01:09 changed_status_from_Available_to_Offline 15/07/2010 15:15:35 changed_status_from_Offline_to_Away became_idle 15/07/2010 15:16:29 changed_status_from_Away_to_Available became_unidle 15/07/2010 15:45:40 changed_status_f...

PHP Output Words Not In String

I have two strings: $string = shell_exec('reg.bat '.$arg); //returns word\0word\0word $stringA = "$string"; $stringB = "word,other,word2,other2"; $array1 = explode('\0', $stringA); $array2 = explode(',', $stringB); $result = array_diff($array1, $array2); I can use array_diff to find the differences, but the last word shows up as not i...

SQL Server database compare and sync tool (Free)

Looking for a free and best tool to compare and sync two SQL Server databases. I've searched in stackoverflow for the compare tools but most of them are buy only. Basically this tool will be used for non-commercial use and for developer only. Can anybody suggest tool used by them and it is free? ...

Turn X arrays into a single array

I want to change the format of this array to match another one. One was pulled from a database, and the other was made using space delimted user input and then explode(); So here are the arrays I want to change, this is from the database (mysql_fetch_array). It grabs the single field from all rows. Array ( [name] => daniel ) Arr...

c string compare vs hash compare

I need to compare a string to multiple other constant strings in c. I am curious which is faster, to hash the string I am going to compare and compare it to all the other constant string hashes or just compare the strings as strings. thank you in advance thank you for the answers I am going to be doing many comparisons. can anyone give ...

Reading file using python and and see if a particular string is there inthe file.

I have a file in the following format Summary;None;Description;Emails\nDarlene\nGregory Murphy\nDr. Ingram\n;DateStart;20100615T111500;DateEnd;20100615T121500;Time;20100805T084547Z Summary;Presence tech in smart energy management;Description;;DateStart;20100628T130000;DateEnd;20100628T133000;Time;20100628T055408Z Summary;meeting;Descrip...

Schema compare fails, SQL Server 2008 R2 & VS2010 Premium with time out expired error

I have a VS2010 DB Project migrated form VS2008 and a couple of schema comparisons created. I get the following error: Error 1 An error was received from SQL Server while attempting to reverse engineer elements of type Microsoft.Data.Schema.Sql.SchemaModel.ISqlUser: Timeout expired. The timeout period elapsed prior to completion of th...

comparing current day of Date type with Varchar day column in Oracle

I have a Varchar day column and I would like to select all rows where the day from day column matches current day in the system. I came up with this query but it didn't find any match, although today is Thursday and there is Thursday stored in the day column. I'm not sure if this is the right way to compare date data type with varchar. ...

Comparing string distance based on precomputed hashes

I have a large list (over 200,000) of strings that I'd like to compare to a given string. The given string is inserted by a user, so it may be slightly incorrect. What I was hoping to do was create some kind of precomputed hash on each string on adding it to the list. This hash would contain information such as string length, addition...

Verify Password Error

NSString *NumberToSave = Number.text; NSString *PassToSave = Password.text; NSString *PassVerify = VerifyPassword.text; // Save Settings NSUserDefaults *standardUserDefaults = [NSUserDefaults standardUserDefaults]; NSString *tmpNum = [standardUserDefaults stringForKey:@"Number"]; if (tmpNum) { }else{ ...

implement comparable interface for bidirectional flows

this piece of code is supposed to consider flows in both direction as one flow. for example: srcAddr,dstAddr,srcPort,dstPort 192.168.1.65, 217.174.16.1, 123456,80 should be the same as 217.174.16.1, 192.168.1.65,80,123456 Another Example: 192.168.1.65, 217.174.16.1, 12345, 80, TCP 217.174.16.1, 192.168.1.65, 80, 12345, TCP 192.168...

Need to compare values in a file where 1st column repeats

So my data sample is in the following format. jgi|Xentr4|100164|gw1.1441.2.1 scaffold_1441 18150 18354 jgi|Xentr4|100164|gw1.1441.2.1 scaffold_1441 19856 19974 jgi|Xentr4|100164|gw1.1441.2.1 scaffold_1441 21455 21638 jgi|Xentr4|100164|gw1.1441.2.1 scaffold_1441 21727 21897 jgi|Xentr4|100164|gw1.1441.2.1 scaffold_144...

MyGuid.Equals(OtherGuid) IS NOT EQUAL ??

When I use MyGuid.ToString().Equals(OtherGuid.ToString()) they are Equal, why are they not equal when I compare the pure Guid ? Update: Well the problem here could be that I use a 3rd party control. The .Key below has a Guid and committeeId is a Guid too. They were never Equal only when I did ToString() on both Guid`s they were eq...

problems comparing two Calendar dates in Android

I wanted to compare the current system date to a fix date, but get the wrong result. By trying to find out what's wrong, I ended with the following Java code: // today, 18th of August 2010 long currSystem = System.currentTimeMillis(); Calendar calToday = Calendar.getInstance(); Calendar calFix = Calendar.getInstance(); ...

Check keyvaluepair againt existing values in list of keyvaluepair

Hello, How can I check a new KeyValuePair against an existing list of KeyValuePair ? I want to compare for a condition to include or exclude the item. I am using vb.net 3.5 it is a nested For loop and I am deleting a datarow on the result of the condition args = (existing list of KeyValuePAir) For Each datarow As DataRow In ds.Tables...