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Why dict.get(key) instead of dict[key]?

...to False in a boolean context (i.e. a Falsey value), such as 0 or an empty string, '', then dictionary.get("bogus") or my_default would evaluate to my_default whereas dictionary.get("bogus", my_default) would return the Falsey value. So no, dictionary.get("bogus") or my_default is not equivalent to ...
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What is the cleanest way to disable CSS transition effects temporarily?

...ore the transition as specified in the CSS, set the transition to an empty string. // Remove the transition elem.style.transition = 'none'; // Restore the transition elem.style.transition = ''; If you're using vendor prefixes, you'll need to set those too. elem.style.webkitTransition = 'none' ...
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What is the most efficient way to create HTML elements using jQuery?

...readable way! Probably not the fast way but certainly less error prone the string addition. Thanks @TheAlpha – Ares Jun 2 '17 at 10:00 ...
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Mongoose query where value is not null

...r query to the profiles document, something like this: const exclude: string = '-_id -created_at -gallery -wallet -MaxRequestersPerBooking -active -__v'; // Get the _ids of users with the role equal to role. await User.find({role: role}, {_id: 1, role: 1, name: 1}, function(err, docs) {...
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simple explanation PHP OOP vs Procedural?

...at are chunked together by subject matter [e.g., functions for doing basic string manipulation, functions for processing arrays, functions for file input/output, etc] OOP is a special way of "chunking" Functions together into a "Class" A Class is just another level of "chunking" code together so th...
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Collection that allows only unique items in .NET?

... } } and you can use it like follows var uniquelist = UniqueList<string>.NewList; uniquelist.Add("abc","def","ghi","jkl","mno"); uniquelist.Add("abc","jkl"); var _myList = uniquelist.List; will only return "abc","def","ghi","jkl","mno" always even when duplicates are added to it ...
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“unpacking” a tuple to call a matching function pointer

...7 solution is simply to use std::apply: auto f = [](int a, double b, std::string c) { std::cout<<a<<" "<<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 thr...
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How to add a filter class in Spring Boot?

...nt public class XClacksOverhead implements Filter { public static final String X_CLACKS_OVERHEAD = "X-Clacks-Overhead"; @Override public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException { HttpServletResponse response = ...
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Sending email through Gmail SMTP server with C#

...ace ConsoleApplication2 { class Program { static void Main(string[] args) { var client = new SmtpClient("smtp.gmail.com", 587) { Credentials = new NetworkCredential("myusername@gmail.com", "mypwd"), EnableSsl = true ...
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How to randomly sort (scramble) an array in Ruby?

... shuffle and shuffle! to a bunch of core classes including Array, Hash and String. Just be careful if you're using Rails as I experienced some nasty clashes in the way its monkeypatching clashed with Rails'... share ...