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Questions tagged [difference]

The tag has no usage guidance.

1
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2answers
64 views

universally understood file-diff format

I've always assumed that the output from diff (typically "unified", whether or not it's colorized) is universally understood among most if not all text-based language programmers. Whether it's used ...
1
vote
2answers
81 views

Design patterns / Names for data consolidation

I'm new to coding and I don't know how what I'm trying to do is called, and I want to find out so I can do more research and not re-invent the wheel. I looked for things such as data consolidation/...
0
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1answer
102 views

Algorithm to identify differences between two sorted data sets

PROBLEM STATEMENT: Print the items that differ between the following two left and right sorted data sets: A A B C C D D E G F H EOF EOF The proposed solution ...
5
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6answers
1k views

Is there an “anti-hash” or “similarity hash” / similarity measure algorithm?

The idea of hashes is they get drastically different results for even the smallest change of data. What I am asking for is the opposite of that. An algorithm that will produce proximity hash values ...
2
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2answers
1k views

Solve Synchronization

I want to solve Synchronization with a Message Queue In the wikipedia page of message queue, I read: Most messaging systems support both the publisher/subscriber and message queue models in their ...
2
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0answers
67 views

What's the most practically efficient way to store differences in adjacent matrix values?

I am implementing a certain algorithm that works like this: Create a closed contour (list) of elements in a matrix, where closed means that the last element is adjacent (by row, column) to the first. ...
-4
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1answer
2k views

Difference between admin and super admin? [closed]

In our company we use the term admin and super admin. Admin - refers to the person who will handle the users, this is preferably from the external (maybe a manager of our client) Superadmin - refers ...
0
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0answers
96 views

Stable, Hash Based Symmetrical Difference

A lot of thought went into the implementation of the set algorithms in LINQ: Distinct, Except, Intersect and Union. They guarantee that the items are returned in the same order that they appear in ...
0
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1answer
354 views

How to implement differential backups without keeping copies of the original files on disk?

I am responsible for the design and development of a cloud backup application. Currently we are using xDelta to do differential backup so that only the changed parts of the files gets uploaded. This ...
0
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1answer
173 views

How to Ignore Bracketing Style in Code Comparison / Diff

How to ignore bracketing styles when doing code comparisons or diffs? We have several formats of bracketing and I would like: function foo(){ } to be considered the same as function foo() { } ...
3
votes
3answers
1k views

Difference between Optimization and Scalability?

If I quote a paragraph from Wikipedia about Optimization: In computer science, program optimization or software optimization is the process of modifying a software system to make some aspect of ...
4
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3answers
654 views

Can we reduce confusion in line-based diff tools by annotating the code with some unique tokens?

Let's say I have procedure1() { --body of first procedure-- } Then I rename it into procedure2 and create a procedure1 above it: procedure1() { --body of second procedure-- } procedure2() {...
5
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5answers
3k views

Difference between planning a project vs. planning a product

I have read in numerous places that when developing a product you need to take a different approach to when you are developing a project (think "contract" work). Some differences are: 1) There is no ...
28
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4answers
28k views

What is the difference between building and compiling ?

What's the difference between Building and Compiling.
16
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7answers
4k views

Is it necessary to read every single byte to check if a copied file is identical to the original?

I recently learned of a program called Total Commander. It's a Windows Explorer replacement and has its own stuff to copy files. To check whether the files are identical, instead of calculation a CRC, ...
5
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10answers
3k views

Does it make sense to ask, “What is the difference between Design Pattern and Algorithm?”

From Wikipedia: In mathematics and computer science, an algorithm is an effective method expressed as a finite list of well-defined instructions for calculating a function. In software ...
2
votes
2answers
26k views

Difference Between Software Development and Production?

In a typical SDLC there isn't much mention of the word production or development or the distinction between the two.These seem more of a real time , industrial driven concepts . I have come across ...
11
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6answers
1k views

What are the differences between a website and a web application?

How do you differentiate a web application from websites? It's language/platform agnostic.
55
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7answers
43k views

Difference Between Unit Testing and Test Driven Development

From reading the descriptions, I understand that in TDD tests are done prior to writing the function and in Unit Testing, its done afterwards. Is this the main difference, or the two terms can't even ...
3
votes
5answers
511 views

Closest file match?

I am looking for a way to compare a set of files against a given file with each comparison giving me a "closeness" metric. I should then be able to order based upon the metric to find the closest file....
41
votes
4answers
43k views

What is the difference between a hash and a dictionary?

What is the difference between Hash and Dictionary? Coming from a scripting background, I feel that they are similar, but I wanted to find out the exact differences. Googling did not help me much.