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questions
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Spring Data Cassandra ClassNotFoundException
get this error when start spring boot application
my spring boot application
Spring Boot version 2.2.4
and cassandra version
spring-data-cassandra 3.0.1.RELEASE
this is my error
Caused by: java.lang....
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ImportError: cannot import name 'UserSerializer' from 'user.serializers'
I started a project in django and I am having problems with imports. I think the problem is caused by cyclical imports. I have changed the code in many ways, but I cannot solve it.
The error:
File &...
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0answers
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Getting 401 Client Error when using firebase
I'm new to firebase and I'm trying to update some data in an existing project but I'm getting the following error: 401 Client Error: Unauthorized for url: https://esco-lebanon.firebaseio.com/esco-...
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0answers
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the items doesn't be shown in the browser
the items were shown before I related react by node throw axios.
I don't undersand the problem.the application work and it doesn't show me the items located in mongo db.
before relating react with ...
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0answers
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Fundamental Question Regarding Amazon SQS and polling
The current recommended approach for handling background jobs on Amazon, from what I can tell, is to use their SQS queueing system. My question is why. Instead of sending a message to the queue (SQS) ...
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How to pass host variables directly as a SQL variable value in Jupyter notebook?
I'm trying to write a SQL query for postgres using python in Jupyter where at different places, the code will be required to fetch different variable values extracted before in other code blocks. Is ...
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Android Room: Type mismatch: inferred type is java.util.Observer
I am stuck debugging a nasty type error with Android room. I understand that probably somewhere a wrong type is returned but I cannot figure out where.
The error happens in an Activity in the code ...
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Get Value From Child in Firebase to Android Studio
enter image description here
hello I'm new in android studio, I have something to ask. in the picture is my database, so I want to retrieve the value of latitude and longitude in my database. but the ...
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How can i frame a SQL Case statement for the below case?
I want to write a case statement to categorize users as engaged/ non engaged for example an engaged user is the one who books at least one order every 2 weeks. let say if someone booked the order 5 ...
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How to assign multiple variables in a loop for graphs in Python 3
I am relatively new to coding and I have a few issues I don't quite understand how to solve, yet. I'm trying to build code that will make graphs that will produce from a ticker list, with the data ...
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0answers
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Code won't read folders in the same directory
Background info.
I'm trying to implement three functions transition_model, sample_pagerank and iterate_pagerank in the pagerank.py file all the code in such file except those three functions is given ...
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votes
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Firebase API in JavaScript and therefore public, concern for Auth?
I appreciate that variants of this have been posted before, however I am not seeing one that directly hits this concern. The Firebase recommendation is that for Web interfaces the JS includes enough ...
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0answers
2 views
Unable to fetch Json Column using sparkDataframe:org.apache.spark.sql.AnalysisException: cannot resolve 'explode;
Can Someone Help me In this Scenario.I am reading one Json File using spark/scala and then trying to access column name but while accessing the column name i am getting below error message.
org....
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0answers
2 views
Codeigniter 3 URL Encrypt Decrypt Issues
Viewers I am facing issue with URL Encryption, I have done almost but stacking in some case let me explain...
First Try: I have encrypted the URL by custom function & then I route the page to ...
0
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0answers
5 views
Data set throws Syntax error on Decode when collection is too large?
Problem: when decoding and writing with a large data set node is throwing a seemingly random Syntax Error. If I chunk the data set in to small sections the calculation goes through.
Question: Has ...

