Questions tagged [null]

Question 1

I have a list with some nan values, out of which some are continuous, e.g.: list = [1, 2, 3, np.nan, np.nan, 6, 7, np.nan, 9, np.nan,np.nan,np.nan, 12] For some ...

Question 2

While introducing nullable reference types to our enterprise application's codebase, I found that we are often using LINQ on sequences of nullable reference types where we filter out the nulls using <...

Question 3

At work we are using Xamarin.iOS for our apps. We frequently have to fight it's disadvantages, namely it's memory leak issues where strong cyclic references keep objects alive and prevent them from ...

Question 4

This is a follow-up question for Android app class serialization. The implementation of User class has been updated and the functionality of null string checking, ...

Question 5

I'm new to C# and would appreciate any feedback you might have on the following doubly-linked list implementation, particularly WRT the following language features: Exception handling Debug.Assert ...

Question 6

Uncaught TypeError: document.getElementById(...) is null I have a single JavaScript file that is connected to multiple pages. The below snippet is a function that is used for a single page. The above ...

Question 7

I am working on a C# application and I want to support multiple themes, so I wrote a ThemeManager class that can check, load and apply a specific theme. A theme is ...

Question 8

There has been ongoing concern about the question of awaiting a task that could possibly be null, as when using null-coalescing operators. Consider the following: ...

Question 9

I was working to upgrade some code to C# 8.0 and came across an interesting pattern with default parameters and non-nullable reference types. I'm working if it's clear enough to the caller. Given ...

Question 10

How could I refactor this code to get it more cleaner: ...

Question 11

Because I often have to deal with two Variants that may or may not be Null, we need a null-safe equality test, so I came up with ...

Question 12

I have a class LoanAccount that contains an attributes creationDate and loanAmount. I ...

Question 13

Here is a shortest possible syntax for replacing whitespaces with null and throwing an exception where it is not allowed: ...

Question 14

There is A LOT of information online stating that you should NEVER catch a NullPointerException. Generally I agree, but I am wondering about this one case. I have inherited code that requires me to ...

Question 15

I've found the following code invaluable in helping me 'handle' None values including "whitespace" characters that should be treated as None based on the situation. I have been using this code for ...

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Questions tagged [null]

Calculate length of continuous gaps

Filter out nulls from sequence of nullables to produce sequence of non-nullables

Setting all class members to null to destroy strong references

Android APP User class implementation

Conventional C# for LinkedList with (non-)nullable references + xunit tests

Error solution: Uncaught TypeError

C# consecutive and redundant null checks

Extension method: Task<T>.CoalesceAwait

Non-nullable reference type default parameters in C# 8

How to get rid of many if null checks - c# [closed]

Simplify & Reduce steps in the IsDistinct function

handle null in Comparator class

String whitespaces

Multiple null Checks or try/catch NullPointerException [closed]

Handling Null values (and equivalents) routinely in Python

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