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What does the @ symbol before a variable name mean in C#? [duplicate]

...name is recorded in the assembly as "class", vs. with an underscore it is "_class". Thus, if another .NET language doesn't define "class" as a reserved word, they could use the name just "class". – P Daddy Jan 9 '09 at 20:23 ...
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Add single element to array in numpy

...swered Sep 7 '11 at 11:15 reader_1000reader_1000 2,2831515 silver badges1414 bronze badges ...
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How can I tell jackson to ignore a property for which I don't have control over the source code?

... my entities has a GeometryCollection that throws an exception when you call "getBoundary" (the why of this is another book, for now let's say this is the way it works). ...
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How can I convert comma separated string into a List

...tList = csv.Split(',') .Where(m => int.TryParse(m, out _)) .Select(m => int.Parse(m)) .ToList(); share | improve this answer | ...
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Not equal != operator on NULL

...dicates for such situations. This behavior is not specific to SQL Server. All standards-compliant SQL dialects work the same way. Note: To compare if your value is not null, you use IS NOT NULL, while to compare with not null value, you use <> 'YOUR_VALUE'. I can't say if my value equals or ...
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How do I replace multiple spaces with a single space in C#?

... I have copy and paste that and it works. I really do not like REgex but this time it saves my life. – Pokus Oct 15 '08 at 22:22 9 ...
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ALTER TABLE to add a composite primary key

I have a table called provider . I have three columns called person , place , thing . There can be duplicate persons, duplicate places, and duplicate things, but there can never be a dupicate person-place-thing combination. ...
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Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?

...e NDK documents. Ever since the release NDK-r6, it has provided a utility called ndk-stack. Following is the content from official NDK documents with the NDK-r9 tar ball. Overview: ndk-stack is a simple tool that allows you to filter stack traces as they appear in the output of 'adb logcat' and r...
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YYYY-MM-DD format date in shell script

... $(date +%F_%H-%M-%S) can be used to remove colons (:) in between output 2018-06-20_09-55-58 share | improve this answer ...
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String difference in Bash

...e is some difference between the two strings? – alpha_989 Aug 10 '17 at 15:28 @alpha_989 , here's your answer: $ diff ...