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I'm currently working on an app that needs to communicate with a secure system. I need to generate a public and private key according to a couple of requirements. According to system specs, the key derivation iterations is required to be set to 1000, but I can't find any way to do this on iOS.
Can anyone help me out? Thanks!
As stated in comment, your question is a bit too broad. I am guessing that you are asking about PBKDF2.
You can use CommonCrypto to do that. I used it with Objective-C and it was relatively easy. I think there might be some difficulties to use it with Swift, but Google search has a lot of info how to do that.
You will need to use CommonCrypto function CCKeyDerivationPBKDF - link to docs. There is a round parameter which I think is what you are looking for.
This question might help too.
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In my app the user should be able to search other users that are stored in Firebase. Pretty much like Instagram for example. Tragically I found out that this is not quite possible in Firebase yet. Most of the posts I found about this were older, so was there anything added that could help me out here?
I thought about this:
Right now I have stored all`users with their information. When starting the app I could retrieve all usernames and store it in a variable and then work with that. But this is rather brute force approach... I figure I am not the only one with that problem, so does anyone know what I can do here?
I hope this question is conforming all guidelines, correct me if not.
If Firestore isn't adequate for the kinds of queries you want to perform, your only real alternative is to duplicate that data into another database that can do it.
You will have to come up with some options on your own, as requests for offsite software products are off-topic for Stack Overflow.
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For testing, I needed to generate a list of data values randomly and put them into the models for further use. But I found out that there is no library, which could produce such functionality.
The elegant solution I expected to find had to combine such simple things as:
the variety of data;
the variety of methods to reach this data;
the possibility to change the default data set to the custom one.
Since I hadn't found the accurate solution, I decided to create my own library (ref. https://github.com/codeitua/ios-data-factory).
There were implemented all necessary methods for data generation (including random names, cities, addresses, dates etc) and data retrieve. And moreover, it has "swifty" interface, which provides comfortable use in every project.
I hope, it will be helpful for everyone, who faced the same problem as me!
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I would like to know what "consume an API" means in a less technical language possible and would like too some simple example in git and, if possible, using Ruby. I understand that I may be asking a lot, sorry for that, but I can not understand 100% of the examples I found.
I can not go on, because I have not yet been able to fully understand the subject.
Example:
I have a application, a CRUD simple and a API isa JSON that extract the results this CRUD?
Sorry for my limited understanding. I would very much like details with code example, just something basic.
It means that you take in data from an external source/url and do something with it. Here is an example:
http://www.theodinproject.com/courses/ruby-programming/lessons/file-i-o-and-serialization
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Question is basically in the title. Just looking for a simple answer
If you use NSLocalizedString, you don't have to write your own code to detect and load resources per locale, and instead rely on widely used and reliable code provided by the system. This saves time in development and debugging, and your code will be easier to understand by other developers familiar with the system.
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Does linked data applications use tagging for easier information retrieval? Where to get information on this specific topic?
For semantic annotation (tagging) the following applications would be good starting points:
http://gate.ac.uk/
http://www.ontotext.com/kim
Especially the GATE system includes a lot of information and tutorials related to both POS-tagging and ontology-based semantic tagging.
And yes, once your text has been semantically tagged, it is much easier to connect it to other pieces of text using the extra semantic medatada.