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How do I use LINQ Contains(string[]) instead of Contains(string)

...hod the sense of it would be wrong. [EDIT] Unless you changed it around and wrote it for string[] as Mitch Wheat demonstrates, then you'd just be able to skip the conversion step. [ENDEDIT] Here is what you want, if you don't do the extension method (unless you already have the collection of ...
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How to loop through file names returned by find?

...st). If you have time, read through the rest to see several different ways and the problems with most of them. The full answer: The best way depends on what you want to do, but here are a few options. As long as no file or folder in the subtree has whitespace in its name, you can just loop over ...
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Why does Python pep-8 strongly recommend spaces over tabs for indentation?

I see on Stack Overflow and PEP 8 that the recommendation is to use spaces only for indentation in Python programs. I can understand the need for consistent indentation and I have felt that pain. ...
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For loop for HTMLCollection elements

...x. So, to get the value from the pseudo-array, you'd have to do list[key] and to get the id, you'd do list[key].id. But, you should not be doing this with for/in in the first place. Summary (added in Dec 2018) Do not ever use for/in to iterate a nodeList or an HTMLCollection. The reasons to avo...
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How to perform static code analysis in php? [closed]

... Run php in lint-mode from the command line to validate syntax without execution: php -l FILENAME Higher-level static analyzers include: php-sat - Requires http://strategoxt.org/ PHP_Depend PHP_CodeSniffer PHP Mess Detector PHPStan PHP-CS-Fixer phan Lowe...
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Why does Oracle 9i treat an empty string as NULL?

..., but that doesn't do much to tell me why this is the case. As I understand the SQL specifications, ' ' is not the same as NULL -- one is a valid datum, and the other is indicating the absence of that same information. ...
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C# Set collection?

...set operations. A set is a collection that contains no duplicate elements, and whose elements are in no particular order... The capacity of a HashSet(Of T) object is the number of elements that the object can hold. A HashSet(Of T) object's capacity automatically increases as elements are ad...
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MySQL error code: 1175 during UPDATE in MySQL Workbench

...update the column visited to give it the value 1. I use MySQL workbench, and I'm writing the statement in the SQL editor from inside the workbench. I'm writing the following command: ...
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Where to define custom error types in Ruby and/or Rails?

...ou define exceptions in this way: gem_dir/lib/gem_name/exceptions.rb and defined as: module GemName class AuthenticationError < StandardError; end class InvalidUsername < AuthenticationError; end end an example of this would be something like this in httparty For Ruby on Rails ...
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What's the foolproof way to tell which version(s) of .NET are installed on a production Windows Serv

...u should open up IE on the server for which you are looking for this info, and go to this site: http://www.hanselman.com/smallestdotnet/ That's all it takes. The site has a script that looks your browser's "UserAgent" and figures out what version (if any) of the .NET Framework you have (or don't h...