I've installed MongoDB v4.0 for the most amazing feature of it Transaction in Nodejs with mongodb 3.1 as a driver.  When I try to use a transaction session I've faced this error:     MongoError: Transaction numbers are only allowed on a repli...
I am building an app on node.js using express, and node-mysql driver. There is a couple of cases in my app when I need to make a series of database inserts/updates. I want them in a transaction such that if the second or third one fails, the previous...
I'm trying to keep track of how many children a certain path contains in firebase. I've been trying to use the on('child_added') and on('child_removed') callbacks to keep a count updated, but they get called even for existing...
I'm currently playing with transactions in latest available docker image of MongoDB 4.1.4 (using Node 8.12.0 and Mongoose 5.3.8 as client). I've made a simple replica set with 3 mongo instances, everything works fine and all until I do a lot...
I'm using a azure mobile service with a javascript backend to execute a custom API.  I need to execute several independent sql statements (delete, update). I need to have a transaction to insure that I only commit if all the sql statements have s...
I am trying to animate two text one by one. For that I tried below code. but It's not displaying accurate as my sample. like one will cut another will display.    I need help now.    @-webkit-keyframes fade-in{     from{         opacity:1;...
I have a partitioned collection, and I am trying to perform read/upsert operation on two different documents using stored procedures. These two documents are not necessarily in the same partition. One of the document needs to be updated while updatin...
On a azure custom api, I'm attempting to perform bulk insert operation to three tables utilising database transctions.Then I'm facing this error on the console.     The request 'POST /api/saveinvite' has timed out. This could be cause...
I am trying to get a queue of userIds; then, add the first 2 userIds to an array by sequentially getting their data and checking if they meet the criteria.  The function below gives me 6 alerts intended for debug suggesting the transaction keeps re-r...
I know that I cannot retrieve the value of transaction Synchronously. I Read that an alternative is to Callback the function. But I can't manage to do it.. here's a snippet where I inserted the second transaction inside a function.  for(...){...

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