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What does the “@” symbol do in Powershell?

...stion--to provide the full answer, to wit: Array sub-expression (see about_arrays) Forces the value to be an array, even if a singleton or a null, e.g. $a = @(ps | where name -like 'foo') Hash initializer (see about_hash_tables) Initializes a hash table with key-value pairs, e.g. $HashArguments...
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“unpacking” a tuple to call a matching function pointer

...<<b<<" "<<c<< std::endl; }; auto params = std::make_tuple(1,2.0,"Hello"); std::apply(f, params); Just felt that should be stated once in an answer in this thread (after it already appeared in one of the comments). The basic C++14 solution is still missing in this thread....
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How to alias a table in Laravel Eloquent queries (or using Query Builder)?

...orts aliases on tables and columns with AS. Try $users = DB::table('really_long_table_name AS t') ->select('t.id AS uid') ->get(); Let's see it in action with an awesome tinker tool $ php artisan tinker [1] > Schema::create('really_long_table_name', function($tabl...
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Devise form within a different controller

I am using a devise gem for sign_in/sign_out procedures. 5 Answers 5 ...
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What do parentheses surrounding an object/function/class declaration mean? [duplicate]

...ction, making it truly private. See: http://en.wikipedia.org/wiki/Closure_%28computer_science%29 http://peter.michaux.ca/articles/javascript-namespacing share | improve this answer | ...
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How do you configure an OpenFileDialog to select folders?

...ion does not work on VS2010 and VS2017 either! – AleX_ Apr 13 '17 at 14:11  |  show 8 more comments ...
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Why doesn't C have unsigned floats?

...e? -8. But what would that mean in a system without negative numbers. FLOAT_MAX - 8 perhaps? Actually, that doesn't work as FLOAT_MAX - 8 is FLOAT_MAX due to precision effects so things are even more screwy. What if it was part of a more complex expression: float a = 2.0f, b = 10.0f, c = 20.0f, d =...
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Which characters are valid/invalid in a JSON key name?

... { "*~@#$%^&*()_+=><?/": "is a valid json" } – Abhi Oct 7 '14 at 4:24 45 ...
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Retrieving the output of subprocess.call() [duplicate]

... in this case). It is fine to use PIPE with subprocess.Popen e.g., output, _ = Popen(..., stdout=PIPE).communicate() as this answer suggests. – jfs Jan 10 '14 at 22:42 ...
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How to add images in select list?

... you're right, I got a my.hellobar.com/45874_63207.js not found error & then TypeError: $(...).ddslick is not a function in the Firefox's console – RousseauAlexandre Aug 28 '16 at 16:00 ...