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Convert NSNumber to int in Objective-C

...x Kling 666k151151 gold badges968968 silver badges10321032 bronze badges ...
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Pandas: drop a level from a multi-level column index?

... @yoonghm It is there, you are probably just calling it on columns that don't have a multi-index – matt harrison Dec 18 '18 at 14:59 1 ...
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How do you get the index of the current iteration of a foreach loop?

...or iterating over collections that implement IEnumerable. It does this by calling GetEnumerator on the collection, which will return an Enumerator. This Enumerator has a method and a property: MoveNext() Current Current returns the object that Enumerator is currently on, MoveNext updates Current t...
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Is it acceptable and safe to run pip install under sudo?

... Piotr DobrogostPiotr Dobrogost 36.5k3232 gold badges209209 silver badges336336 bronze badges ...
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select count(*) from table of mysql in php

...2 Kermit 32.1k1010 gold badges7474 silver badges110110 bronze badges answered Aug 2 '11 at 5:48 Shakti SinghSh...
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HTML5 Canvas 100% Width Height of Viewport?

....getContext('2d'); // resize the canvas to fill browser window dynamically window.addEventListener('resize', resizeCanvas, false); function resizeCanvas() { canvas.width = window.innerWidth; canvas.height = window.innerHeight; /** * You...
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How to check for a valid Base64 encoded string

... calling base64String.Contains multiple times may result in poor performance incase of base64String being a large string. – NucS Jul 23 '15 at 11:46 ...
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Why should the “PIMPL” idiom be used? [duplicate]

...() to be able to use private members of CatImpl. Cat::Purr() would not be allowed such an access without a friend declaration. Because you then don't mix responsibilities: one class implements, one class forwards. share...
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How to pass json POST data to Web API method as an object?

... with the result :) }); Model binding works for some properties, but not all ! Why ? If you do not decorate the web api method parameter with [FromBody] attribute [HttpPost] public CreateUserViewModel Save(CreateUserViewModel m) { return m; } And send the model(raw javascript object, not i...
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Completion handler for UINavigationController “pushViewController:animated”?

...rface UINavigationController (CompletionHandler) - (void)completionhandler_pushViewController:(UIViewController *)viewController animated:(BOOL)animated completion:(void (^)(void))completion; @end Implementation: #import "UIN...