Changed Firebase database [closed] - java

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I accidentally delete my database from firebase, and now, create an new database and after delete google.services, dependecies, plugins, I can't pass data to new database.
Project Android/Java

If you still have the project available, you can reinitialize it by running the command firebase init in your project folder. if your project folder is messy and potentially corrupted from any edits, It is highly recommended to start in a new folder and migrate your work from one location to the other.

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Upload project in github subfolder [closed]

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I'm a student, so I want to upload all my different java exercises in github. I've got a repository called "OOP" and several subfolders one of them - "Exercises". I am also on Windows using Intellij IDEA.
Is there any way that I can upload my projects into the subfolder "Exercises" by using git?
Thank you so much!
For beginners, I recommand using Github Desktop. You add your files, commit and push using the user interface.

Is there a database option that is local and does not require lots of overhead [closed]

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I need to create a local database for query purposes. I wish to build and populate a database with data from a number of text files, do the queries needed, and then destroy the database since it is no longer needed.
I am currently programing it in VB.net but would eventually want to port into a java or like language so other platforms can be used.
I prefer something that does not require the user to download something else to make this work. A person I asked did suggest SQLite but I am not sure how to load it internally.
Java SDK includes Derby Database - see the link.
That can be used without further download (only Java needs to be there of cause)

Eclipse i can not open folder structure [closed]

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In window Package Explorer I haven't any project(In workspace folder a have a few), I'm trying refresh view, but it's doesn't work, I dont know also how to open a whole project structure from this folder.
Create a new project called exactly the same name as a project you already have. Maybe there is an easier way to do it, but this works just fine if you don't have 625520 projects.

If android apps can't access other app code, how can one app check another for viruses? [closed]

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I'm trying to create an android application to scan other applications for viruses, or malicious code etc. But to begin with, I'm trying to figure out how existing anti-virus scanning systems operate.
I don't think its rooting, because there are a lot of anti viruses that don't need rooting. If I have to guess, I would say it scans the files for signature. And they access the files similar to how file explorers work. Someone more knowledgeable can correct me.

Create file and add to a eclipse java project programmatically [closed]

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What I have searched and trying to do is create and add files to a target project automatically from my program, any idea on how to do it? Because so far I can create files and change whatever is necessary but can't see a way to add those to my other project.
You should just be able to write it to the java project directory. If it looks like it didn't work, try pressing Right Click > Refresh on your java project in eclipse.

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