ProductDb | Category CRUD methods for Turkcell Geleceği Yazanlar | DB Client library
kandi X-RAY | ProductDb Summary
kandi X-RAY | ProductDb Summary
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ProductDb Examples and Code Snippets
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Trending Discussions on ProductDb
QUESTION
I have prices of items stored in RoomDb.I want to fetch those prices and sum up in my app but I am unable to do it. This is what I have done so far. I am not able to retrieve the prices and sum them up.
Below is an error:
...ANSWER
Answered 2021-Jan-15 at 17:19To sum up the prices you can try the following
QUESTION
At work, I had an assignment to query data from multiple MSSQL databases that sit on the same host machine, with just one query. It works fine, looks like something like this:
...ANSWER
Answered 2021-May-20 at 03:39If names within both userDb.dbo
and productDb.dbo
are unique, you can create all tables in the one H2 database and append ;IGNORE_CATALOGS=TRUE
to JDBC connection URL.
(You can also use two separate databases and create links for each table with CREATE LINKED TABLE
command, but linked tables may be slow.)
If you have tables with the same names (from different databases), there will be no way to distinguish them in H2, join like … userDb.dbo.table1 JOIN productDb.dbo.table1 …
will reference the same table dbo.table1
twice.
You can also use different schema names (dbo
) in your databases, in that case you can create them both in the same database, productDb.productDbo.table1
and userDb.userDbo.table1
will have different meaning (productDbo.table1
and userDbo.table1
).
Anyway, if you use only one DBMS in production you normally should use the same DBMS in test cases, preferably with the same settings. Otherwise you will run into different incompatibilities from time to time and in some cases code that works in your tests may fail or even silently return different results in the production database. There could be various valid use cases for some tests with another DBMS when logic isn't database-specific at all, but even in them some deviations may appear.
QUESTION
I have a database simulator coded in C++, and the way it works essentially is that the user says "insert 'item' 'quantity' 'price'"
with item
being a string and quantity
/price
being an int.
The issue I am running into is that whenever the user enters "insert"
and doesn't put the other fields, a "vector subscript out of range" error pops up.
So, for example, "insert keyboard 20"
would give me the error because no price was given.
I thought it was because the values are not originally initialized, but I tried to do that and nothing changed. I've tried initializing them in the structure to 0, but it still makes me abort the program. I imagine it's because the class I'm using is searching for 3 variables, and when it doesn't get them, it crashes.
I'm honestly not sure that there is a way to do this with my current code (I can't really completely overhaul it, they wanted classes), but I figured I'd take a shot in the dark with you tech gurus.
Below are the two classes that I am using.
The class that edits my created structure database:
...ANSWER
Answered 2021-Apr-19 at 19:00Something like this:
QUESTION
iam try to get data using sql proc and I try to execute the code, but every time the code is not created, and I don’t know the reason this is my classes
...ANSWER
Answered 2021-Jan-18 at 02:02What is the code of showRppmcmd.GetCategoryId
?If the method like this:
QUESTION
In the code below, I am trying to pass data from the home screen to the detail screen when user clicks on any of the product listed on the home screen. I seem to be having difficulty here.
Similar Question but does not solve my issue
Excerpt of the code at the home screen.
...ANSWER
Answered 2020-Nov-17 at 19:26In your GestureDetector
onTap
QUESTION
I am trying to connect to a Docker image SQL Server database through another containerized application (microservice) built with .NET Core 3.1 but I get the following error thrown by Docker:
...ANSWER
Answered 2020-Sep-16 at 08:21If you want to link two docker containers on the same machine you have three options:
- Use
docker-compose
- run image with --network
- Advanced scenario: Docker Swarm / Kubernetes
Your question:
Your containers is not linked and (I suppose you don't have run its with docker-compose
or --network switch) you have also specified localhost where localhost refer to the same machine, in this case ASP.NET Core container instance.
Use docker-compose (preferred and simple) or --network
and specify the connection string with Server=container_name\instancename_ifany,1433
When you run the SQL image you can optionally redirect 1433 port to another and check / monitor the sql instance --ports 9001:1433
; with this you can use SSMS and connect to localhost, 9001
QUESTION
ANSWER
Answered 2020-Aug-27 at 13:47This is a known problem; I am working on solution; the request/reply processing is based on spring-messaging; when you consume the raw ConsumerRecord
, the reply handing doesn't work because the messaging logic is bypassed.
The work around is to change the method to public Object UpdateProduct(Message message)
instead.
The headers are contained in message.getHeaders()
, the key is in header KafkaHeaders.MESSAGE_KEY
.
The ProductViewModel
is message.getPayload()
.
QUESTION
I have the following xml file:
...ANSWER
Answered 2020-Aug-12 at 20:06Try this example:
QUESTION
In my try to approach to M V VM Architecture I have made this simple Example, and my problem is viewModel don`t show changes that I made to Database, until I restart my app.
1-this is my model class:
...ANSWER
Answered 2020-Jul-25 at 21:01Finally I got the point:
creating ViewModel using "provider" method will generate a "singleton" instance. So on the next instance making of ProductViewModel I will have the old one and as I filled product list in constructor so I will get the old data.
to solve the problem I changed the selectAll method in ProductViewModel as below:
QUESTION
I'm new to React, and despite many attempts I can't figure out how to set my id dynamically in axios requests in my edit-form.
I tried to set the axios requests with a static number just to test my edit-form, I can log my object but when I submit it deletes the product data instead of updating with the new data because the id is undefined.
I think I just need to find out what to write in my componentDidMount and handleSubmit to catch the id. For example ${this.state.product.id} is undefined, why isn't it working?
It's my first question, so I hope I am clear and tell me if you need more code.
EditForm
...ANSWER
Answered 2020-Jul-25 at 20:24In your Products.js
, you are using links to open up your EditForm
component. So, for you to be able to access the product id
, you need to wrap your EditForm
component with the withRouter hoc
from the react-router
library. This hoc will then make the match
prop available to your EditForm
component.
So, you need to add react-router
to your dependencies by running this:
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