is-empty Questions
2
I just did this:
Delete FROM MyTable WHERE ScopeValue = ""
Delete FROM G_Scope WHERE ScopeValue is ''
Delete FROM G_Scope WHERE ScopeValue = empty
Delete FROM G_Scope WHERE ScopeValue is empty
...
Bauble asked 25/6, 2010 at 11:48
7
Further in my code, I check to see check if an object is null/empty.
Is there a way to set an object to null?
Chandigarh asked 13/6, 2010 at 2:12
55
Solved
Is there a string.Empty in JavaScript, or is it just a case of checking for ""?
Urquhart asked 30/9, 2008 at 17:17
3
How to test if a string variable in Robot Framework is empty?
My first naïve attempt looked like this:
Run Keyword If ${myVar}!=${EMPTY}
but it failed:
Evaluating expression '!=' failed: SyntaxEr...
Afterlife asked 26/10, 2018 at 12:0
15
Solved
i am sure this must have been asked before in different ways - as isEmptyOrNull is so common yet people implement it differently. but i have below curious query in terms of best available approach ...
19
Solved
Is there a way to detect whether or not an input has text in it via CSS? I've tried using the :empty pseudo-class, and I've tried using [value=""], neither of which worked. I can't seem to find a s...
11
Solved
Which method is best (most idomatic) for testing non-empty strings (in Go)?
if len(mystring) > 0 { }
Or:
if mystring != "" { }
Or something else?
5
Solved
Java 11 has added A new instance method isBlank() to java.lang.String class.
What's the basic difference between the existing isEmpty and newly added isBlank() method?
25
Is there a way to check strings for nil and "" in Swift? In Rails, I can use blank() to check.
I currently have this, but it seems overkill:
if stringA? != nil {
if !stringA!.isEmpty {
...bla...
Cytologist asked 1/4, 2015 at 2:41
11
Solved
How can I check if a variable is empty in Bash?
12
Solved
I have a file called diff.txt. I Want to check whether it is empty.
I wrote a bash script something like below, but I couldn't get it work.
if [ -s diff.txt ]
then
touch empty.txt
rm full.txt
els...
Punjab asked 1/4, 2012 at 13:41
2
Solved
Is there a way to find all empty files (with vscode) in a project?
I try to open all my .scss files, and already installed 'search - open all results', however even with regEx I wasn't able to find...
Needham asked 19/7, 2019 at 12:32
9
Solved
I need to remove empty entries on multilevel arrays. For now I can remove entries with empty sub-arrays, but not empty arrays... confused, so do I... I think the code will help to explain better.
/...
Dyun asked 8/10, 2011 at 11:40
4
Solved
I would like to use empty range in following manner :
Set NewRange = Union(EmptyRange, SomeRange)
I've tried to set EmptyRange as empty range using Nothing, Empty and Null but "run-time error '5'...
Glennaglennie asked 18/12, 2014 at 20:12
13
Solved
I have two ways of checking if a List is empty or not
if (CollectionUtils.isNotEmpty(listName))
and
if (listName != null && listName.size() != 0)
My arch tells me that the former is...
Induline asked 22/6, 2012 at 8:17
4
Solved
I want to check if variable is null or no.
My code is :
list_Data="2018-01-15 10:00:00.000|zQfrkkiabiPZ||04|
2018-01-15 10:00:00.000|zQgKLANvbRWg||04|
2018-01-15 10:00:00.000|zQgTEbJjWGjf||01...
2
Solved
I declared a class of types that admits a value:
class NonEmpty a where
example :: a
And also, I declared the complement class:
import Data.Void
class Empty a where
exampleless :: a -> Void
...
8
Solved
I can't seem to find a simple, straight-forward solution to the age-old problem of removing empty elements from arrays in PHP.
My input array may look like this:
Array ( [0] => Array ( [Name]...
Bueschel asked 27/3, 2012 at 18:9
2
Solved
I have a collection in a MongoDB that contains a field "events" which is an array. I need to write an aggregate query for this that checks for the events array to not be empty, but can't ...
2
Solved
In VBA, if I understand correctly, emptiness means that a variant has not been initialized, i.e., it is the default value of a variant before an assignment.
There appear to be four ways to test if ...
15
I am trying to polish some code with the if(!empty) function in PHP but I don't know how to apply this to multiple variables when they are not an array (as I had to do previously) so if I have:
$v...
7
Solved
I'm sure I've missed something here. With a certain project I need to check if a string is null or empty.
Is there an easier way of writing this?
if (myString == null || myString == "")
{...
5
Solved
I would like to know how to check if an array is empty or null in jQuery. I tried array.length === 0 but it didn't work. It did not throw any error either.
This is the code:
var album_text = new ...
8
Solved
In C#, how can I check if a Queue is empty?
I want to iterate through the Queue's elements, and I need to know when to stop. How can I accomplish this?
3
Solved
How can I check if multiple strings are empty in an elegant way? This is how I currently do it:
//if one required field is empty, close the connection
if (registerRequest.Email == "") ||
(regist...
1 Next >
© 2022 - 2024 — McMap. All rights reserved.