I have problem with null check operator and i using firebase firestore or json model And i using the method to get data user from model But while i return he gi
I am just trying to set up a spinner configured as a dropdown menu, but I can't even test my app to see if it works because every time I run it, it immediately
I'm getting this error in my code ======== Exception caught by widgets library ======================================================= The following NoSuchMetho
I am doing a query in aws Athena where I want to get some total values, however I am having issues getting a column where the values are null, this column somet
Consider the custom toString() implementation of a bean: @Override public String toString() { String.format("this is %s", this.someField); } This yields
Row( mainAxisAlignment: MainAxisAlignment.center, children: [ Padding( padding: const EdgeInsets.all(8.0), child: Icon( password[0] == null ? unchangedPassword
I have one question. Help me, please. I have code in my teaching proggram: alert(user.address ? user.address.street ? user.address.street.name : null : null);
I have a data frame loaded from an Excel csv. One columns has many "NULL". This is what is showing up when looking at the data in RStudio. When I filter in the
Create table TechM ( id int ) ; select * from TechM insert into TechM values (1), (1), (1), (2), (3), (null) ; Create table TechN ( id int ) ; select * from Tec
I am expecting ELSE part to be printed in this case. But it doesn't. It works if the input is blank ''. But for null, it fails. Even with ISNULL and COALESCE, i
I have a CTE on which i am filling null values with the previous value before row 100 available by using the following script SELECT [YearMonth],grp, CASE WHEN
I have below code, which I want to write in a way so that it catches proper exception when none is passed when argument value is required. def MyFunction(MyAr
In my mariadb database this query: SELECT * FROM `Languages` WHERE `Google` IS NOT NULL; Returns rows where column "Google" is NULL, which it shouldn´t. A
I've recently upgraded to the spring boot version 2.6.3 while using camunda 7.17.0. The login camunda page, sends a post request, but the form-data parameters a
in relation with how to copy the records from output of oracle SQL developer to excel sheet I'm using Oracle SQL developer. I've some queries which get some nul
I want to filter the output from the Azure CloudShell command az ad sp list which outputs a JSON array, eg by filtering to Publisher Name = "ACME". All az comma
I have some code and when it executes, it throws a NullReferenceException, saying: Object reference not set to an instance of an object.
Link to Codewars challenge This is very basic, but for some reason, I can't figure out why I'm not able to return null when there are not any non-consecutive n
I run my flutter app on (Flutter 3.0 and dart sdk 2.17.0. But now I found a warning here, like this - /usr/local/Caskroom/flutter/2.0.2/flutter/.pub-cache/hoste
Note: I have moved the essence of this question to here having learned some of what is happening but still wanting to understand. (In essence, ISNULL and COALES