Questions tagged [difference]
Comparison or difference in meaning between two or more concepts. For code synchronization or compare and merge algorithms use [diff]
23 questions
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2
answers
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Proving two XML schema's are functionally equivalent
I work for a standards organization that publishes an exchange standard using XSD files.
These XSD files are being generated from a model with a tool, and now we want to change to a new tool.
Because ...
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vote
1
answer
129
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What's the difference between MongoDB Query API and MondoDB Query Language?
So I've been trying to understand the difference between MongoDB's Query API and its Query Language but I haven't been able to find a definitive answer.
I've been reading the MongoDB Docs and it is ...
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3
votes
2
answers
288
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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 ...
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2
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Design patterns / Names for data consolidation [closed]
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/...
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1
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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 ...
- 545
11
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6
answers
4k
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 ...
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2
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2
answers
4k
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 ...
- 180
3
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0
answers
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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.
...
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1
answer
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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 ...
- 161
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0
answers
116
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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 ...
- 2,553
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1
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387
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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 ...
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1
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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()
{
}
...
- 17
3
votes
3
answers
3k
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
votes
3
answers
917
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() {...
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votes
5
answers
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 ...
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answers
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What is the difference between building and compiling ?
What's the difference between Building and Compiling.
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7
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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, ...
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11
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8k
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What is the difference between a Design Pattern and an 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 engineering, a ...
- 4,155
5
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3
answers
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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 ...
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1k
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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.
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7
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66k
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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 ...
- 4,155
6
votes
5
answers
820
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....
- 512
53
votes
4
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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.
- 641