TechQA.

Question

Why doesn't IEnumerable?.First() work?

score 1408 · Answer 1 · 2016-12-20T17:13:32.477000

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1408

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Why doesn't IEnumerable?.First() work?

1.4k views Asked by paulH At 20 December 2016 at 17:13

score 890 · Answer 2 · 2022-04-08T17:41:24.007000

How to use null conditional operator in a dynamic JSON with JsonConvert.DeserializeObject

890 views Asked by rboy At 08 April 2022 at 17:41

score 369 · Answer 3 · 2022-04-19T07:00:45.733000

Error CS0165 Use of unassigned local variable 'json'

369 views Asked by Rasik At 19 April 2022 at 07:00

score 774 · Answer 4 · 2021-05-06T10:15:53.157000

C# 6.0 null-conditional operator in if statements

774 views Asked by David At 06 May 2021 at 10:15

score 268 · Answer 5 · 2016-02-22T19:54:17.077000

Can someone explain the precedence rules using the C# 6.0 ?. operator with ?? and arithmetic ops?

268 views Asked by Stécy At 22 February 2016 at 19:54

score 169 · Answer 6 · 2023-01-05T15:52:55.680000

Using null conditional operator("?.") with "function that returns a bool value"

169 views Asked by 신동철 At 05 January 2023 at 15:52

score 116 · Answer 7 · 2017-12-06T10:40:41.983000

Does null conditional operator always break on first null ocurrence?

116 views Asked by Phiter At 06 December 2017 at 10:40

score 291 · Answer 8 · 2022-05-17T13:17:25.203000

Why is the .NET null conditional operator not returning false when trying to check if a collection has any items?

291 views Asked by Pure.Krome At 17 May 2022 at 13:17

score 181 · Answer 9 · 2022-06-01T07:33:50.323000

Is there a shorter way to write this in C# 8?

181 views Asked by esege At 01 June 2022 at 07:33

score 98 · Answer 10 · 2022-11-24T21:52:42.800000

Is it possible to use a null-conditional operator to set a Func<> to null?

98 views Asked by Lenakeiz At 24 November 2022 at 21:52

score 466 · Answer 11 · 2022-12-03T17:04:33.760000

Is there a performance difference between null-check and null-conditional-operator in C#?

466 views Asked by Florian Wolf At 03 December 2022 at 17:04

score 141 · Answer 12 · 2015-08-10T21:54:05.927000

New C#/VB – first asymmetry in conditions introduced?

141 views Asked by miroxlav At 10 August 2015 at 21:54

score 864 · Answer 13 · 2015-08-24T19:04:41.530000

Why does the null-conditional operator behave differently for == and .Equals()?

864 views Asked by Nate Barbettini At 24 August 2015 at 19:04

score 1132 · Answer 14 · 2016-01-28T12:31:09.887000

Elvis operator in a casting invocation chain

1.1k views Asked by Tormod At 28 January 2016 at 12:31

score 3224 · Answer 15 · 2016-01-29T10:24:50.057000

Does the "?." operator do anything else apart from checking for null?

3.2k views Asked by iuliu.net At 29 January 2016 at 10:24

score 367 · Answer 16 · 2018-08-01T18:56:35.370000

Why does the null-conditional operator change regular property access?

367 views Asked by BlueRaja - Danny Pflughoeft At 01 August 2018 at 18:56

score 180863 · Answer 17 · 2010-08-12T13:40:40.333000

C# elegant way to check if a property's property is null

180.8k views Asked by Jon Kragh At 12 August 2010 at 13:40

score 261 · Answer 18 · 2019-10-19T20:16:39.627000

Correct use of null-conditional operator in LINQ while reading XML

261 views Asked by YogiWatcher At 19 October 2019 at 20:16

score 5144 · Answer 19 · 2019-10-25T14:47:44.970000

Null Conditional in Powershell?

5.1k views Asked by RaGe At 25 October 2019 at 14:47

score 202 · Answer 20 · 2021-09-15T09:29:38.853000

Why use null conditional operator when a variable that can't be null?

202 views Asked by AudioBubble At 15 September 2021 at 09:29

TechQA.

List Question

Why doesn't IEnumerable?.First() work?

How to use null conditional operator in a dynamic JSON with JsonConvert.DeserializeObject

Error CS0165 Use of unassigned local variable 'json'

C# 6.0 null-conditional operator in if statements

Can someone explain the precedence rules using the C# 6.0 ?. operator with ?? and arithmetic ops?

Using null conditional operator("?.") with "function that returns a bool value"

Does null conditional operator always break on first null ocurrence?

Why is the .NET null conditional operator not returning false when trying to check if a collection has any items?

Is there a shorter way to write this in C# 8?

Is it possible to use a null-conditional operator to set a Func<> to null?

Is there a performance difference between null-check and null-conditional-operator in C#?

New C#/VB – first asymmetry in conditions introduced?

Why does the null-conditional operator behave differently for == and .Equals()?

Elvis operator in a casting invocation chain

Does the "?." operator do anything else apart from checking for null?

Why does the null-conditional operator change regular property access?

C# elegant way to check if a property's property is null

Correct use of null-conditional operator in LINQ while reading XML

Null Conditional in Powershell?

Why use null conditional operator when a variable that can't be null?

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