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Questions tagged [redundancy]

Redundancy is the duplication of critical components or functions of a system with the intention of increasing reliability of the system, usually in the case of a backup or fail-safe.

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Task Scheduling / Load Balance Pattern

I've run into this a few times recently at work. Where we have to develop an application that completes a series of items on a schedule, sometimes this schedule is configurable by the end user, other times its set in Config File. Either way, this…
Wjdavis5
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Internal Data Redundancy happens in Microsoft Access

We are using ms access2010 and we are having unnecessary 50% increase of the data file problem every day. We use the compact and repair process on a daily basis at every nights. But almost every day, in the middle of day, when this huge increase…
Jami
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Minimize downtime (Azure Website + SQL DB)

My Azure websites are down a lot, four outages (30 minutes - 3 hours) in the past 30 days. I only use one small standard website and one web SQL DB in US West so I can't expect 99.5%. This week (a few days ago and currently), 503 errors were / are…
TvdH
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Importing from a module and avoiding having to make duplicate imports/variables

I once again find myself here, desperately begging for answers :) So I have a problem regarding imports in python. I have my main code importing a secondary module that contains only a single class. I am trying to import and use this class without…
CR0SS0V3R
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MongoDB Replication failover

I want to have mongod replication for redundancy across multiple sites. I'm thinking of deploying the following: Deploy 5 Mongod instances (has to be an odd number, or else needs an arbitrator), have 3 on site A and 2 on site B. If site B goes…
Reza S
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How to target multiple databases with Entity Framework 6 for same data?

I was wondering whether it is possible to target multiple databases with EF6. here i can see one can use two connections with two different db contexts. Configure multiple database Entity Framework 6 but i want actually to save the same information…
Jason Willfield
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same operation in multiple if statement, how to reduce code redundancy

The delete statement below is a code redundancy. int *a = new int[100] if (!doSomething1(a)) delete[] a return if (!doSomething2(a)) delete[] a return if (!doSomething3(a)) delete[] a return return One alternative I came up with…
Tianwei Chen
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Reed Solomon Java Library - Partitioning files with redundancy

I'm looking for Java libraries of the Reed Solomon algorithm. What I need is to partition a given file in different chunks with redundancy. So, after partitioning in N chunks, I can re-build the file with just K of these chunks (Where k < N). This…
Cacho Santa
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How do I know a Longitudinal redundancy check is correctly calculated and how is it used to ensure that data before is not corrupt?

How do I know a Longitudinal redundancy check is correctly calculated and how is it used to ensure that data before is not corrupt? This is how I'm calculating it right now in Java but how do I know I am calculating it correctly given the…
Johnathan Au
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Shred a file in X fragments with Y parity fragments for redundancy

The theory says that we can split a file in N fragments and after that, we can recover the file with only P of those fragments. Where P < N. I'm trying to build something like Symform, just a subset of that actually. Each block is shred into 64…
Cacho Santa
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how do i remove redundant tuples in microarray data using java programming?

In WEKA-a data mining software for the MICROARRAY DATA, how can i remove the redundant tuples from the existing data set? The code to remove the redundancy should be in JAVA. i.e, the data set contains data such…
user248594
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How to check in hibernate that same data with different id exists?

As given in the below code I am inserting data in table by simple hibernate code. But when all the fields are then also it is saving data in table but only id is changed (auto-incremented). I want to know is there any way to know that the same data…
Amit Kumar
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DIfference between counting records and counter variable in database

If I have a user table and a post table, and I want to count how many posts a user has posted today, I can think of two ways. The first is to send a SQL query to count how many post records that belong to a user is created today. The second is to…
OneZero
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Seemly redundant CSS selectors

I'm dissecting Wordpress's default theme TwentyThirteen in attempts to learn HTML&CSS and more importantly, what I believe to be, industry standards for HTML&CSS. I ran into a part in the CSS that I believe to be redundant but I would like to some…
Harrison Tran
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Multiple loop print without redundancy

I want to inter-loop print, I don't know if that is even a word but let me demonstrate with the code bellow def primer(): print (greet(), "\n", intro(), "\n" ,origi()) def greet(): return("Hola ") def intro(): return("Mi nombre es…
Guy with 6 Magikarps.
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