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Equivalent C++ to Python generator pattern

...to signal termination In your trivial example, it's easy enough. Conceptually: struct State { unsigned i, j; }; State make(); void next(State&); bool isDone(State const&); Of course, we wrap this as a proper class: class PairSequence: // (implicit aliases) public std::iterat...
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Check if an array contains any element of another array in JavaScript

...like it at Ramda should always be used instead of vanilla imho. Better for all devs... – Leon Gaban Aug 15 '16 at 20:32 add a comment  |  ...
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What is the Python equivalent of Matlab's tic and toc functions?

...e stuff Sometimes I find this technique more convenient than timeit - it all depends on what you want to measure. share | improve this answer | follow | ...
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How to get ELMAH to work with ASP.NET MVC [HandleError] attribute?

... Excellent. I wasn't trying to implement Elmah at all. I was just trying to hook up my own error reporting I've used for years in a way that works well with MVC. Your code gave me a starting point. +1 – Steve Wortham Nov 18 '09 at 3:...
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How to convert a String to its equivalent LINQ Expression Tree?

...nking as a Where clause. If necessary, put it inside a list/array just to call .Where(string) on it! i.e. var people = new List<Person> { person }; int match = people.Where(filter).Any(); If not, writing a parser (using Expression under the hood) isn't hugely taxing - I wrote one similar (a...
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Django: How do I add arbitrary html attributes to input fields on a form?

... earlier to modify 3 fields: ``` for field_name in ['image', 'image_small', 'image_mobile']: field = self.fields.get(field_name) field.widget.attrs['data-file'] = 'file' ``` – Stuart Axon Jun 6 '14 at 11:59 ...
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How can I rotate an HTML 90 degrees?

... Just as a suggestion to all future readers: always place the prefixed rules before the standards definition. In this case, all browser-prefixed rules should be before the transform: rotate(90deg); rule. The reason would be that typically, you want t...
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Programmatically stop execution of python script? [duplicate]

... You could raise SystemExit(0) instead of going to all the trouble to import sys; sys.exit(0). share | improve this answer | follow | ...
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How do you produce a .d.ts “typings” definition file from an existing JavaScript library?

...initelyTyped/DefinitelyTyped) first. This is a community repo full of literally thousands of .d.ts files and it's very likely the thing you're using is already there. You should also check TypeSearch (https://microsoft.github.io/TypeSearch/) which is a search engine for NPM-published .d.ts files; th...
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Get a random item from a JavaScript array [duplicate]

... not a valid substitution for Math.floor. Using round would cause accidentally referencing an undefined index, say in the case Math.random() is 0.95 and items.length is 5. Math.round(0.95*5) is 5, which would be an invalid index. floor(random) will always be zero in your example. ...