nedb | The JavaScript Database , for Node.js , nw.js , electron | Runtime Evironment library
kandi X-RAY | nedb Summary
kandi X-RAY | nedb Summary
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Top functions reviewed by kandi - BETA
- styled - style formatting function
- Initializes the local storage .
- Serialize the given value
- Deserialize a serialized string .
- Creates a new DataStore .
- Returns a new database connection if not already exists .
- Set item to local storage
- Iterate over all objects .
- Handle a promise .
- Resolve an array of promises .
nedb Key Features
nedb Examples and Code Snippets
Community Discussions
Trending Discussions on nedb
QUESTION
Sorry if this isn't the place to ask about this, not sure where I can ask.
So I've been using SQL to manage my app and it's fairly easy because I'm using SQLite3 so I don't need anything extra I can just make a connection to die database.db file. I saw something about MongoDB and I want to switch to using mongoDB but I ran into a few problems. I want to use it with a Heroku application so not having to use a host would be great.
(I have seen MongoDBLite and NeDB, my only problem is that those haven't been updated in 6+ years)
So my questions: 1: Is there no possible way to only have a database file and then just make a connection to that without the need for a host like the Atlas stuff. 2: If there is no possible way to use MongoDB like SQLite3, is there a way to host it 24/7 for free without a chance for it to hang or be slow. 3: If its not possible to have a free host, is the free version any good? I saw it has free 512mb storage and shared CPU and shared RAM. Does the shared CPU and shared RAM mean that if there are too many users that the database can become slow to access or hang or just sometimes not do anything?
Sorry if my questions are a written a bit confusing.
...ANSWER
Answered 2022-Jan-20 at 17:36MongoDB Community Edition is free, in comparison to Enterprise Edition it has only a few limitations (e.g. LDAP authentication and encryption), you can simply install it on your machine. The MongoDB Community Edition has no restrictions in terms of size, CPU, users, etc.
SQLite3 is a file-based database, similar to MS Access. MongoDB is a Client-Server database. So you need to start the MongoDB service and then you can simply use it. Stand-alone installation takes only a few Minutes.
QUESTION
This is my folder structure:
...ANSWER
Answered 2021-Nov-08 at 00:56If your auth is implemented by this:
QUESTION
I am building a Login Page for my web site,
client side code
...ANSWER
Answered 2021-Oct-04 at 13:09That's because you're getting the input values before user submits the form. You need to get them exactly when the submit event is triggered. For example:
QUESTION
STUDENT WARNING. I am learning to use Nodejs, express with NEDB and database. I am attempting to query my home.db (NeDB) for a specific record, making use of user input (in this case, the name of a person). High-level diagram of the process: High-level record request process
Process (in my mind) flows as follows:
- User input captured in home.html input & GET is clicked
- searchSpecific() in home.js is called where fetch() executes
- index.js (server) receives request and app.get() is called
- app.get() returns result to home.js
- home.js dynamically updates table with result (lets assume the record exists in the db)
- ends
Results being aimed for:
- success or failed attempt notification to user on home.html
- partial matching of user input vs db records to be attempted & returned
Here is what I cant get to work:
- The ability to pass the user input from home.html into home.js fetch() to enable the server index.js db.home.find( { : /value/}...) to search for the record
When reviewing the NeDB docs, the code seems to only apply to index.js and does not advise on home to call the api from another webpage and providing proper data structure. I feel that I still have much to learn about HTTP requests and thus am struggling, but beginner-friendly info for NeDB is not easy to find (dare I say in short supply).
Current code samples: home.html
...ANSWER
Answered 2021-Jul-01 at 18:59I managed to get it to work by using POST instead of GET. Not much info out there for my specific case and I still dont understand why, but its working now.
Eventlistener:
QUESTION
I've created a simple nodejs app that will use express to do some file processing operations. I will pack the final app using pkg this mean that the app will access the packaged resources in readonly mode. Since I want to implement a login system and a one time account creation, what's the best way to proceed? The app will open a browser tab that will run the a vuejs app for the UI. I'm thinking to use nedb-promises by implementing it in the vue app but the data stored inside it are accessible to all so the login will become insecure. Is there a way to encrypt/decrypt stored data inside nedb-promises?
Another solution I'm thinking to use is to run the one time account creation and to store the created account info inside a .env
file that will be created inside the folder where te app will run. With this method how I can hash password and account data and when the app is launched check them with the credential that the user will input?
ANSWER
Answered 2021-May-19 at 11:08NeDB have two functions called beforeDeserialization
and afterSerialization
. These can be used for encrypting and decrypting data when reading and writing from your database using the crypto
module.
QUESTION
I'm trying to create an Electron application using the Vue CLI package in npm, but in the process of using puppeteer, I get the following error message.
...ANSWER
Answered 2021-May-13 at 06:03Make sure you have contextIsolation
set to false
in your BrowserWindow
settings.
Like this:
QUESTION
I have an embedded NeDB database with numerous entries with multiple fields and I'm looking to only get the dates from every entry and store it into an array. I'm using NeDB, NodeJS and express.
The dataset looks like so:
...ANSWER
Answered 2021-May-09 at 23:34You can use the optional second projection
parameter of the find()
and findOne()
methods to include or omit properties of the returned records. see: NeDB#projections.
QUESTION
Function checkExists
is taking too long to execute. Tried to use await async function but had no effect. var exists = await checkExists(data.email);
is returning undefined because not awaiting for checkExists
.
I have my index.js:
...ANSWER
Answered 2021-Mar-24 at 14:53Use https://www.npmjs.com/package/nedb-promise
so you can use await for database queries and you can change your code like this -
QUESTION
I'm trying to find documents by only the document name in NeDB. I have read through the documentation, but all examples also search on a value. I am only inserting one document, and need to query by its name only.
...ANSWER
Answered 2021-Mar-25 at 16:46it seems that the $exists
operator might be exactly that what you are looking for:
QUESTION
I am trying to create a hyperswarm network between multiple node servers (which works fine) and also a browser instance (which doesn't).
I thought that I could browserify
the server.js code like I would do if I wanted to run express.js
in the browser, but I'm getting a weird error: bundle.js:12852 Uncaught SyntaxError: Unexpected token '{'
Here is the server.js code I browserified:
...ANSWER
Answered 2021-Jan-21 at 20:52Unfortunately, the swarm elements of the hypercore protocol do not work in mainstream browsers, due to API limitations. You'd need to rely on webRTC to do peer to peer browser things. This comes its own setup requirements.
A way of doing it would be to do a websocket connection to a remote node hyperswarm.
You might want to look at hyper-sdk. This is a version of the hypercore stack setup to be browserify-able.
Also the beaker, gateway and agregore browsers which are set up for peer-to-peer operation.
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