How to store large ordered data?

Let’s learn how to store large ordered data. The most accurate or helpful solution is served by Stack Overflow.

There are ten answers to this question.

Best solution

Store data within alphabetically ordered letters (A - D, E - H, I - L, etc) using Dictionary

I'm using entity framework and I'd like to store the total count of items within the bounds of a specific set of letters (if this makes sense): A - D (12) - (where 12 is the total amount and the data falls between letters A and D). E - H (24) I - L (9) M - P (62) Q - T (18) U - Z (0) I wasn't quite sure how to do this with a Dictionary. Let's say my model object consists of an Id and Title and that it's called Discount. At the moment, I have the following: List<Discount> discounts = new...

Answer:

you should use a List as the value of the dictionary: static void Main(string[] args) { List<Discount...

Read more

gotnull at Stack Overflow Mark as irrelevant Undo

Other solutions

The last time you walked out of an Apple Store, did you feel grateful for the opportunity to have patronized it?

Three data points to consider. The day I bought my iPhone, I called the store first. They said they might have exactly one left and that I'd better come quickly to the store to get it. I went there and did get the iPhone. The day I bought my iPad, I...

Answer:

I don't know.  But I do know that Steve Jobs is probably the only figure in the history of tech who...

Read more

Michael Wolfe at Quora Mark as irrelevant Undo

I ordered a DVD on the webiste "greatTVclassics.com" exactly 2 weeks ago and still have not received anything.

I ordered a DVD on the webiste "greatTVclassics.com" exactly 2 weeks ago and still have not received anything. The website states that the site is hosted by Yahoo! Store. Yahoo! hosts the store pages, ordering system, and order data. Is there...

Answer:

Same thing happend to me. Its been 3 weeks now with no return emails. I finally went to pay pal to file...

Read more

chargers... at Yahoo! Answers Mark as irrelevant Undo

Data Management - Stats Help?

Data Management - Stats Help? The owner of a convenience store has copies of the local newspaper delivered early each morning. The demand for papers is normally distributed with a mean of 72 and a standard deviation of 14. a) What is the probability...

Answer:

a) Calculate the z value for 67 z0 = (67-72)/14 Then look up P(z<z0) in the standard normal table...

Read more

modulo_f... at Yahoo! Answers Mark as irrelevant Undo

While transitioning to a NoSQL store, what are some proven strategies in dealing in a world with multiple data stores and keeping data in synch?

We are transitioning our core, customer facing applications from a traditional RDBMS to a NoSQL data store--currently targeting MongoDB. For a number of reasons, doing a full transition off of SQL is far too expensive in time/cost as well as in risk...

Answer:

You say, the following almost as a throwaway line: Meaning data on our document store may at times be...

Read more

Gaëtan Voyer-Perrault at Quora Mark as irrelevant Undo

How to efficiently store data in hive?

How can I efficiently store data in Hive and also store and retrieve compressed data in hive? Currently I am storing it as a TextFile. I was going through [Bejoy article](http://kickstarthadoop.blogspot....) and I found that LZO compression will be good...

Answer:

You can use ORC File format as the underlying file format for Hive. This format has several advantages...

Read more

Gautam P Hegde at Quora Mark as irrelevant Undo

Best way to store arbitrary form data?

What are best practices for storing arbitrary form data? More inside... Let's say you have a bunch of online forms - I'm talking thousands here - and they could all have different fields that make them up. Is there any good way to store all this data...

Answer:

The database tables don't need to be associated with the forms directly--the form information can be...

Read more

zackola at Ask.Metafilter.Com Mark as irrelevant Undo

How do you securely store sensitive data on platforms such as mobile?

Presumably a mobile app/device cannot be [completely] trusted to store cryptographic keys to a keystore or database that stores sensitive data. If so, how can you cryptographically store data so that the keys cannot be derived, most likely by decompiling...

Answer:

Facebook has released Conceal library (Introducing Conceal: Efficient storage encryption for Android...

Read more

Ildar Muslukhov at Quora Mark as irrelevant Undo

How do you decide whether to use a document-store, a key-value store, a graph data store, or a relational data store?

A lot of the blog articles comparing database technologies focus on system properties (ACID,  BASE, eventual consistency, scalability, etc) but I'm curious if this is really what application developers care about when making a platform decision.  Doesn...

Answer:

I would say that there are two issues that will determine your choice, i.e. the data and the application...

Read more

Josep Lluis Larriba Pey at Quora Mark as irrelevant Undo

For a very small application with little data, should I use CoreData or just store the data in the Documents directory?

I am looking at starting my first application, which will be my entry into the App development and will be used more for experience than anything else. The app has a simple premise; the ability to record some information about how much you owe and how...

Answer:

I find out Parse is pretty easy to use to sync your data without local storage, you even don't need...

Read more

Jake Lin at Quora Mark as irrelevant Undo

Related Q & A:

Just Added Q & A:

Find solution

For every problem there is a solution! Proved by Solucija.

  • Got an issue and looking for advice?

  • Ask Solucija to search every corner of the Web for help.

  • Get workable solutions and helpful tips in a moment.

Just ask Solucija about an issue you face and immediately get a list of ready solutions, answers and tips from other Internet users. We always provide the most suitable and complete answer to your question at the top, along with a few good alternatives below.