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I have a SQLite database hosted in a server, e.g. http://www.webserver.com/database.db
I need to download this database into my phonegap/cordova application, in order to read its data offline.
Practically, I need to "clone" my external database into an internal one.
Please, could someone help me? Thanks.
A few things. First, PhoneGap does not supporting download a SQLite db file and then connect to it. I believe it is possible if I use a native plugin, but out of the box, I can't do it that way.
Solution: download raw data via XHR, i. e. JSON data, and then do imports.
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I just want to ask , I will build app using react native but the app has a feature which allow the user to add and save his recipe offline is that possible using firebase please I want anyone to answer me !
if yes please tell me how
If you use the Firestore database the offline capabiliteis are by default enabled.
Offline persistence is supported only in Android, iOS, and web apps.
You can read more about it here.
That means you work with the database as of it is a local one. It will sync automaticaly with the server when there is a connection. There are no futher instructions required. Just use it according to the documentation. The offline is by default integrated into it.
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What is the best way to upload video with AngularJS and Symfony2 using MongoDB database, and more scalable to do the upload in the database or in the application files?
Video is only file, so you can use any module mentioned here: File Upload using AngularJS
If you want to implement it itself, you might like resumablejs.com.
For videos I would go with file system, it will probably be better for streaming video.
As for scaling, it depends on your point of view.
i.e. If your app is running on multiple machines connected to 1 DB than file system is not good idea.
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I want to create an asp.net mvc website with One mysql database but i have so good as no idea what I'm going to need..
So my question: how much servers do I need? Do I net an extra server for my database? Do I need any server? Do I need windows or is Linux/Ubuntu enought?
Well I think that's enough!
At the end I have to say sorry for my maybe silly questions but I don't have any idea of that stuff..
Why do you need server.
Server is place where you upload your site and users view the data. Server can be of Linus OS or Windows.
For .NET technologies like asp.net you need windows server.
For PHP etc you need linux.
Mostly the websites on small scale has one server. but it can be increased later on depending on your traffic on site and also size of your application.
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I am creating an app that uses Core data, how can I see the data stored in them?
Thanks in advance.
You can use the command line tool sqlite3 included in your Mac. Locate the database by e.g. logging the persistent store url, then just use
sqlite3 path/to/database.sqlite
Type .h to get help on how to use it. You can make standard SQL queries, etc.
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I'm want to save some datas on an online db. How can I connect to an online database (SQLSERVER) on windows phone 8 ?
Thank you.
Dont connect directly to a database from a mobile phone. Use webservices either SOAP or REST. You are opening a can of worms by exposing your database directly to the internet.
Also if you want to expand and include other phones i.e. iPhone and Android to your database then you are going to have lots of different code to maintain.
See this answer Android access to remote SQL database for more information about this.