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Cost of len() function

What is the cost of len() function for Python built-ins? (list/tuple/string/dictionary) 5 Answers ...
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What is the purpose of “return await” in C#?

...int It really doesn't compile. Assuming the return type of SecondAwait is `string, the error message is: "CS4016: Since this is an async method, the return expression must be of type 'string' rather than 'Task<string>'". – svick Nov 23 '16 at 12:17 ...
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Is there a built in function for string natural sort?

Using Python 3.x, I have a list of strings for which I would like to perform a natural alphabetical sort. 18 Answers ...
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How to set ViewBag properties for all Views without using a base class for Controllers?

...nother way Creating an extension method on HtmlHelper [Extension()] public string MyTest(System.Web.Mvc.HtmlHelper htmlHelper) { return "This is a test"; } Then you can use it in all views @Html.MyTest() share ...
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What is a word boundary in regex?

...osition between \w and \W (non-word char), or at the beginning or end of a string if it begins or ends (respectively) with a word character ([0-9A-Za-z_]). So, in the string "-12", it would match before the 1 or after the 2. The dash is not a word character. ...
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How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”

...s towards a locale independent and/or locale selectable version of std::to_string(). The cppreference page still link only to std::to_chars(), which is not really what people need. I wonder if fmt and/or c++20 deal with it or not yet. – ceztko Nov 28 '19 at 0:2...
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How do I wrap text in a UITableViewCell without a custom cell

...eView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { NSString *cellText = @"Go get some text for your cell."; UIFont *cellFont = [UIFont fontWithName:@"Helvetica" size:17.0]; CGSize constraintSize = CGSizeMake(280.0f, MAXFLOAT); CGSize labelSize = [cellText sizeWithFo...
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How do I use Ruby for shell scripting?

....basename('dir/file.txt') #=> 'file.txt' File.join('a', 'bunch', 'of', 'strings') #=> 'a/bunch/of/strings' __FILE__ #=> the name of the current file Also useful from the stdlib is FileUtils require 'fileutils' #I know, no underscore is not ruby-like include FileUtils # Gives you access ...
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Why doesn't Internet Explorer 11 honour conditional comments even when emulating Internet Explorer 8

...r 11 with Internet Explorer 8 compatibility mode turned on contains the string 'MSIE 8.0', so: (PHP example) if (strpos($_SERVER['HTTP_USER_AGENT'],'MSIE 8.0') !== false) { $head[] = sprintf('<link rel="stylesheet" href="ie8.css" />'); } ...
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How to use OpenSSL to encrypt/decrypt files?

...bove! -K key The actual key to use: this must be represented as a string comprised only of hex digits. If only the key is specified, the IV must additionally be specified using the -iv option. When both a key and a password are specified, the key given with the -K option wi...