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Declaring variables inside or outside of a loop

...le loop, otherwise you would not be asking the question, because declaring it inside the while loop would not be an option, since it would not compile. So, since str is not used outside the loop, the smallest possible scope for str is within the while loop. So, the answer is emphatically that str ...
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Objective-C Static Class Level variables

... class level not object level. Can this be done in Objective-C? I've found it very hard to find an answer for this. 9 Answe...
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MongoDB or CouchDB - fit for production? [closed]

... I'm the CTO of 10gen (developers of MongoDB) so I'm a bit biased, but I also manage a few sites that are using MongoDB in production. businessinsider has been using mongo in production for over a year now. They are using it for everything from users and blog posts, to every ima...
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Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)

...hing you can do is leave out the action attribute altogether. If you leave it out, the form will be submitted to the document's address, i.e. the same page. It is also possible to leave it empty, and any browser implementing HTML's form submission algorithm will treat it as equivalent to the documen...
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Get to UIViewController from UIView?

Is there a built-in way to get from a UIView to its UIViewController ? I know you can get from UIViewController to its UIView via [self view] but I was wondering if there is a reverse reference? ...
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How to get the current time in Python

...follow | edited Oct 29 '19 at 17:00 RTHarston 36922 silver badges1212 bronze badges answe...
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Visual Studio 2012 Web Publish doesn't copy files

... Web Application project in VS 2012 and when I use the web publishing tool it builds successfully but doesn't copy any files to the publish target (File System in this case). ...
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How to generate a random string of a fixed length in Go?

...ddress the fastest part too. We'll arrive at our final, fastest code in an iterative manner. Benchmarking each iteration can be found at the end of the answer. All the solutions and the benchmarking code can be found on the Go Playground. The code on the Playground is a test file, not an executable...
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How do I animate constraint changes?

I'm updating an old app with an AdBannerView and when there is no ad, it slides off screen. When there is an ad it slides on the screen. Basic stuff. ...
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Mediator Vs Observer Object-Oriented Design Patterns

...many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically. The Mediator pattern: Define an object that encapsulates how a set of objects interact. Mediator promotes loose coupling by keeping objects from referring to each other...