Title
Author Reply/Views Post time
My firebase app is crashing due to no data hg56 056 2017-10-19 21:40:25
How to assert the value of an optional Bool in Swift unit test? Liron Yahdav 262 2017-10-19 19:27:46
'String' is not convertible to 'String?' Dirty Henry 0108 2017-10-19 12:25:33
Cannot convert value of type 'User?' to expected argument type 'User!' user8000557 199 2017-10-19 01:37:35
How to chain lambdas with all optional values available at the innermost scope without nesting Optional#ifPresent()? Zhro 0119 2017-10-18 03:48:32
How to chain Optional#ifPresent() in lambda without nesting? Zhro 2113 2017-10-18 03:00:41
crashing when no image is uploaded to Firebase [duplicate] user8000557 1117 2017-10-18 02:21:46
Mismatching types when trying to assign to optional property Peterdk 1117 2017-10-17 16:16:20
Alternatives to performing a logical NOT on Optional ifPresent() for clarity and readability Zhro 1128 2017-10-17 05:36:02
Can Optional ifPresent() be used in a larger expression to mitigate a call to get()? Zhro 2229 2017-10-17 04:55:44
Why does Optional<T> not implement Supplier<T>?hot Jacob G. 3211 2017-10-17 04:26:09
Java <Optional> Object is null or object's property is null? ttolkkiguy 2167 2017-10-16 12:36:41
How to do an action if a optional boolean is true?hot slartidan 3214 2017-10-16 08:55:05
Guava Optional.of(Optional.of(user)) get() returns class Present Ian Hudson 0148 2017-10-16 08:55:03
What does ??? mean in Swift 14wml 1181 2017-10-16 00:37:00
Swift Optional Error when loading website through TableViewCell Qasper_ 1182 2017-10-14 12:38:31
Java Stream API: Optional if not null proceedhot RudziankoŇ≠ 3255 2017-10-13 16:38:48
Why to avoid forced unwrappinghot Andy 3282 2017-10-12 17:27:36
Why can't I have std::optional<T> where T is abstract? musicmatze 2307 2017-10-11 10:05:39
Using Java Optional.ofNullable effectively druid1123 2304 2017-10-11 07:05:54
How does C# evalue null-condition operator ?.? [closed] auntyellow 0330 2017-10-10 03:39:17
jsonschema validation of properties required and/or conditionally required cunfusu 1313 2017-10-09 14:40:47
How to save a optional value in a variable to another non optional objecthot Parv Bhasker 5345 2017-10-09 09:32:09
Why does “flatMap” work with sequences of Option type in Scala? Ivan Mushketyk 1385 2017-10-08 10:34:53
How to describe a nil object in Swift in terms of existence and its value?hot cheznead 4377 2017-10-07 13:07:54
Why is mapping over Optional Array different from non-optionalArray Honey 1393 2017-10-06 19:51:04
bootstrap validation fails even when there is no notEmpty validator present Paul Tomlin 0367 2017-10-06 18:48:13
Optional Map typecasting to child class object Sandeep 1414 2017-10-06 07:34:50
Optionals in For Case statement user3318752 2401 2017-10-06 06:54:46
How to get Optional class with jersey client Rhododendron 1410 2017-10-05 16:54:47
if let not unwrapping an optional value in Swift 4.0 PGDev 2437 2017-10-05 10:50:58
Is there anyway to provide default value to a boolean comparison involving optionals in Swift? Chen Li Yong 0420 2017-10-05 03:58:27
Enforce overriding exactly one of two methods hexaflexagonal 1493 2017-10-02 20:17:21
In SwiftyJSON, what is the difference between array, arrayValue and arrayObject? Honey 0481 2017-10-02 19:28:39
What's the difference between Objects.requireNonNullElse() and Optional.ofNullable().orElse()? David Grinberg 2546 2017-10-02 03:13:26
why (self.account.text?.isEmpty)! is required '!' JKU 2552 2017-09-30 16:00:16
Concatenate two or more optional string in Java 8hot riccardo.cardin 41041 2017-09-28 15:33:17
Java 8 Optional to do null check in hierarchical objects Ragu 1712 2017-09-25 04:32:43
When decoding object as Int using NSCoding error thrown is: fatal error: unexpectedly found nil while unwrapping an Optional value laurie 1668 2017-09-24 19:24:13
(Swift) Initializer for conditional binding must have Optional type, not 'AVAudioInputNode' Niall Kiddle 1696 2017-09-24 16:38:57
Passing value of a textfield to a label in swift user8660271 2698 2017-09-23 10:49:21
swift 3.0 Could not cast value of type '__NSCFNumber' (0x10ba54590) to 'NSString' (0x10b060c60) [duplicate] Jayprakash Singh 0696 2017-09-23 09:38:32
In Scala, only add items to Map if Optional values are present Mei 2795 2017-09-20 19:08:45
Whats the advantage of doing optional binding over sequential binding in Swift?hot TMOTTM 3805 2017-09-19 19:37:24
magento 2 make email field not required in checkout irfan mukhtar 0788 2017-09-19 13:20:25
Mix boost::optional and std::unique_ptrhot user2891462 3873 2017-09-19 11:45:52
Scala Option doesn't handle null as expectedhot Avner Barr 3826 2017-09-19 08:26:31
F2py default argument Kilean Hwang 0789 2017-09-19 00:31:49
Statement lambda can be replaced with expression lambda sdfsd 11385 2017-09-15 11:39:56
Compare Optional Bool variable doesn't workhot Fede 3938 2017-09-15 09:58:51
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