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Categories
Tags
Optional
New post in Optional
Is there any way to directly call function passed as an optional parameter while also be protected from null value error, in Flutter/Dart?
December 16th, 2022
optional
flutter
function
Concatenate two or more optional string in Java 8
September 14th, 2022
string
optional
java
concatenation
java-8
Spring Data JPA findById() method returning null instead of Empty Optional
September 15th, 2022
java
spring
spring-data-jpa
optional
XSD: what is the significance of minOccurs="0" and defaultValue="x"
June 4th, 2022
optional
default
xsd
xml
iOS/Swift: Can't assign optional String to UILabel text property
June 4th, 2022
optional
uilabel
swift
xcode
ios
Java 8 ifPresent vs ternary operator
June 4th, 2022
ternary-operator
optional
java-8
java
How to convert Optional Double to Double in javafx
June 13th, 2022
optional
javafx
How do I initialize an Optional<List<T>>?
August 31st, 2022
java
java-8
optional
Return value from Optional
June 6th, 2022
java
optional
java-8
How can I use Optional to return empty if there is any exception in the code in it?
July 25th, 2022
java-8
optional
How to NSLog an Optional Int in Swift?
July 16th, 2022
swift
nslog
optional
'(NSObject, AnyObject)' is not convertible to 'String'
August 17th, 2022
swift
string
optional
dictionary
nsstring
Casting type inside Optional
July 20th, 2022
java
optional
java-8
Optional get value if present
June 22nd, 2022
optional
java
lambda
Returning from Java Optional ifPresent()
July 7th, 2022
java
java-8
optional
Optional characters in a regex
June 5th, 2022
regex
optional
Java 8 Optional instead of if
June 24th, 2022
optional
if-statement
java
java-8
Swift: optional array count
June 20th, 2022
swift
arrays
optional
Using Optional with Streams in Java
June 17th, 2022
java
java-8
optional
java-stream
[AnyObject]?' does not have a member named 'subscript'
July 28th, 2022
ios
optional
swift
arrays
Java 9 ifPresentOrElse returning value
July 23rd, 2022
lambda
java-9
optional
java
How to return a default boolean value in java streams if element not found?
July 23rd, 2022
string
java
java-stream
optional
ignore-case
Guava Optional. How to use the correct
July 5th, 2022
optional
guava
java
How to convert a List to List<Optional>?
January 23rd, 2021
java
optional
java-8
python regex match optional square brackets
January 4th, 2020
square-bracket
python
regex
brackets
optional
Null check using Optional
July 9th, 2022
java
java-8
optional
How to convert Optional String to String
July 9th, 2022
optional
swift
Call "Optional#isPresent()" before accessing the value
November 1st, 2020
java-stream
optional
java
java-8
Optional Type returns a null value
July 17th, 2022
optional
java
nullpointerexception
null
findAny orElse after filter
July 10th, 2022
java
optional
java-stream
java-8
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