Top "Isnullorempty" questions

Check if variable is_undefined in PHP

In PHP, I want to check if a variable has not been set/defined, where setting a variable NULL is …

php isset isnull isnullorempty

R: Remove multiple empty columns of character variables

I have a data frame where all the variables are of character type. Many of the columns are completely empty, …

r is-empty isnullorempty

Search document with empty array field, on ElasticSearch

I have a set of documents (type 'article') and I want to search for the document that have elements/objects …

arrays database elasticsearch isnullorempty

How to check if a cell is empty using VBA

I'm trying to make a form on excel so that when people don't fill in certain cells, they will get …

excel vba cell isnullorempty

C# String.IsNullOrEmpty: good or bad?

After an incident at work where I misused String.IsNullOrEmpty with a Session variable, a fellow coworker of mine now …

c# isnullorempty

How to check if DateTime object is null

I'm looking to validate a DateTime variable to ensure that it isn't blank on the UI. The string equivalent checking …

c# datetime isnullorempty

How to remove empty values from multidimensional array in PHP?

I've been looking a lot of answers, but none of them are working for me. This is the data assigned …

php string multidimensional-array filtering isnullorempty

How to write IsNullOrEmpty method similar to ISNULL in sql server

I want to have function in sql server similar to ISNULL() except it should check expression for null and empty …

sql-server isnull isnullorempty

Empty JSON Object check

When I console print I get value of var a as Object{}, which is empty JSON Object Using jQuery how …

jquery json isnullorempty

c# NewtonJson Jarray check null/empty error

How we can check a json array is null or emty? Json: { "productList": [ { "id": 2440, "serviceStatus": 1, "listOfBillProductsExtras": [ { "id": 2441, "amount": 1, "balance": 2, } ], "deskName": "…

c# json null deserialization isnullorempty