MangoDB | MongoDB for KO | Database library
kandi X-RAY | MangoDB Summary
kandi X-RAY | MangoDB Summary
A simple wrapper to access MongoDB. Store your database info in a config file and access MongoDB from anywhere in your code using MangoDB::instance().
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Top functions reviewed by kandi - BETA
- Unset a path
- Set the value at a specific index
- Load a value
- Unset an index
- ArrayAccess interface
- Pop element from array
- Create a counter
- Get the value as int
- Increment the counter
- Decrements the counter
MangoDB Key Features
MangoDB Examples and Code Snippets
Community Discussions
Trending Discussions on MangoDB
QUESTION
I'm seeing a java dump as soon as I start the Spring boot project after attempting to configure MongoDB, so before I'm even adding any code. Does this mean Spring is attempting to make the connection as soon as the application starts, and not waiting for me to open a connection?
This is just a local test environment. A windows host, where I'm running Spring in Eclipse, and MongoDB in on a local Ubuntu VM, which I can reach otherwise.
I'm using Gradle, build.gradle
...ANSWER
Answered 2021-Apr-28 at 02:46The problem is that the mongo db is listening on localhost on the VM. It will be necessary to adjust the bound host/port in the VM.
QUESTION
I'm trying to import a json file into MangoDB, but get the error:
...ANSWER
Answered 2020-Dec-13 at 13:30with open('/Users/rokayadarai/Desktop/Coding/DataSets/Hotel_Reviews.json') as f:
data = json.load(f)
collection.insert_many(data)
cluster.close()
QUESTION
I try to insert from nodejs to mangodb , I was able to insert document into the database , but I don't know how to get the ID , can I get the ID when the inserted success ?
This is insert.js
...ANSWER
Answered 2020-Nov-12 at 05:50save method also provides a response in the callback. Please check the following code :
QUESTION
Hey everyone i am new here, trying to follow along a course on Udemy about connecting Node app to database, but stuck on a problem can't acctually run the server using mangodb database. Code is at the end.
The error
...ANSWER
Answered 2020-Oct-28 at 16:33On line 10 you already calling app.listen(3000)
and then (lines are hidden by screenshot) in the bottom of the file you are calling app.listen(3000) again. That's the reason, leave it on line 10 only. If you need this instance multiple times think about assigning it to a constant. For example:
QUESTION
I must mention that I have no prior experience in backend development, and I know that questions on the subject have been asked before but I need a specific answer to this one.
I was wondering if I could use Firebase authentication to register & sign in my users and store their data in Mongodb?
If so, what am I supposed to learn besides "firebase_auth" and a Mangodb package to make it work?
...ANSWER
Answered 2020-Jul-05 at 13:47Yes, you can do that. Actually firebase auth will provide a uid after authentication that you can use in MongoDB to identify the user. To make it work you'll need to have your own backend or APIs that will help you retrieve the data from MongoDB after the user is authenticated via firebase. Whereas a backend or the API is considered you can use any framework to make it eg. flask(python), express(nodejs), ruby on rails, etc.
If you already have an existing authentication system and want to integrate it with firebase then firebase provides custom authentication, you can have a look at the same.
QUESTION
I am new to MangoDB and Node JS. I have always worked on SQL databases and I do not know the syntax of MongoDB well. I wanna try to filter the array that I receive from a MongoDB database. I know that JavaScript has a .filter() function to filter just the results that contain a string. Is it best practice to get all the objects from MongoDB and filter in Node or do I let MongoDB do the filtering?
My Node.JS project is a back-end project using Node.JS and Express to do CRUD operations on a MongoDB database. In the request I send a parameter called 'equalTo' that contains the value that should be filtered on.
...ANSWER
Answered 2020-Apr-04 at 17:58The format is the following:
QUESTION
I have doubt related to MicroServices. Suppose there are 5 Micro-Services lets say M1, M2, M3, M3, M4 and M5. There are 4 databases which are connected/accessed by 4 micro-services. Example, M2 connected to MySql, M3 connected to Cassandra, M4 connected to MangoDb and M5 connected to Oracle.
Now
Step-1: M1 making a call to M2 to update some user data in mySql and it updated successfully then finally it got success response from M2
Step-2: M1 making a call to M3 to update some data in Cassandra and it updated successfully then finally it got success response from M3
Step-3: M1 making a call to M4 to update some data in MangoDb and it failed due to some DB server problem or any other problem.
Here my requirement is, I want to rollback DB changes that happened to previous micro-services(M2 and M3)
What should we need to do to achieve this kind of rollback scenario?
...ANSWER
Answered 2019-Oct-01 at 07:18You can make sure that you have @Transactional enabled in this entire sequence of Invocation.
- Consider invocation of all microservices from M1 as single transaction.
- Expose a rollback in following way:
- While updating DB in M2, M3 and M4, place the values in Spring cache as well along with DB.
- Upon invoking /rollback in M2, M3 or M4, get the values from Spring Cache and undo them from DB.
- In the fallbackMethod of hysterix command, when M1 replies with error or some default output, invoke /rollback of other services.
This may not be a perfect solution, as it introduces another fault point as /rollback handling, but fastest one that can be implemented.
QUESTION
I'm getting started with reptiles and trying to perform a second crawling exercise based on Feedly(Feedly RSS is the first time I think): it don't open website to see the news, just the title, source link and update time)
This is my code, the first tried with python.
I was thinking that I might need crawling on my subscribe root websites and might need to write a Scrapy script and use MangoDB or Excel/CSV for this?
In my this case, I was even think that I should develop a macOS App to show the crawling result and I was designed the App UI, or use Python QT and learned QT。
I tried to print the links and the title first, but Feedly should tap twice that show Source page，so i choose Feedly‘s entry.
Python code:
...ANSWER
Answered 2019-Jun-22 at 20:08I'm actually the author of the CSS implementation (Soup Sieve) in Beautiful Soup 4.7+.
The reason it is failing is because you are not following the CSS specification. Now, I'm not aware of exactly what you are trying to target, so I cannot suggest working selectors, but I can explain why Soup Sieve is failing for you.
The error in your example #.*?\=_16b.*?\:2.*?\:d02fd57c_entry_title is failing because it sees an id token #, but is not followed by an id. Instead it sees the start of a class ., and that is also invalid as it is followed by *. In short, there is a lot wrong with the selector, but the error is just reporting the first.
You will need to use CSS escapes for invalid characters in ids, classes, etc. If we try to run such a selector through a browser, you'll see that it fails as well:
QUESTION
I am using MangoDB along with GridFS to store images. I've got this route to retrieve an image from the DB :
...ANSWER
Answered 2018-Nov-04 at 10:12I have solved the issue by converting the chunk into base64 string. I then passed the string as below:
QUESTION
It is my first day with react native, I am working with mangodb, I stored record in db and fetched record, now I want to show in flatlist, and need to setState() but it throws error of undefined
...ANSWER
Answered 2018-Dec-20 at 13:43It's related to the way you call setState. this inside the context of your function is not pointing to the component class. One way to solve it is to use an arrow function:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install MangoDB
PHP requires the Visual C runtime (CRT). The Microsoft Visual C++ Redistributable for Visual Studio 2019 is suitable for all these PHP versions, see visualstudio.microsoft.com. You MUST download the x86 CRT for PHP x86 builds and the x64 CRT for PHP x64 builds. The CRT installer supports the /quiet and /norestart command-line switches, so you can also script it.
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