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Are there strongly-typed collections in Objective-C?

... 'Lightweight Generics' to Objective-C. In Objective-C, they will generate compiler warnings if there is a type mismatch. NSArray<NSString*>* arr = @[@"str"]; NSString* string = [arr objectAtIndex:0]; NSNumber* number = [arr objectAtIndex:0]; // Warning: Incompatible pointer types initializi...
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What is the meaning of “$” sign in JavaScript

...ided a little history behind the $ function in my post here: stackoverflow.com/questions/1122690/jquery-and-questions/… – SolutionYogi Jul 20 '09 at 4:35 ...
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Named regular expression group “(?Pregexp)”: what does “P” stand for?

... end of this year. I hope that Python and Perl can co-exist in years to come; cross-pollination can be good for both languages. (I believe Larry had a good look at Python when he added objects to Perl 5; O'Reilly publishes books about both languages.) As you may know, Python 1.5 adds ...
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Hide keyboard when scroll UITableView

...internet, and most answer is subclassing UITableView (http://stackoverflow.com/questions/3499810/tapping-a-uiscrollview-to-hide-the-keyboard). ...
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“Large data” work flows using pandas

...save these. (Giving a toy example could enable us to offer more specific recommendations.) After that processing, then what do you do? Is step 2 ad hoc, or repeatable? Input flat files: how many, rough total size in Gb. How are these organized e.g. by records? Does each one contains different fields...
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how to find host name from IP with out login to the host

...n-authoritative answer: 166.188.77.208.in-addr.arpa name = www.example.com. share | improve this answer | follow | ...
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How to create separate AngularJS controller files?

...ope', '$http', function($scope, $http){ }]); Include in that order. I recommend 3 files so the module declaration is on its own. As for folder structure there are many many many opinions on the subject, but these two are pretty good https://github.com/angular/angular-seed http://briantford.c...
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How to print VARCHAR(MAX) using Print Statement?

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How do you create nested dict in Python?

...nnerkey': 'value'}} You can populate that however you want. I would recommend in your code something like the following: d = {} # can use defaultdict(dict) instead for row in file_map: # derive row key from something # when using defaultdict, we can skip the next step creating a dic...
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Why are hexadecimal numbers prefixed with 0x?

... Related: stackoverflow.com/questions/18987911/… and stackoverflow.com/questions/11483216/… – Řrřola Jun 10 '14 at 13:13 23...