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How to convert a number to string and vice versa in C++

...5). string to numeric float stof(const string& str, size_t *idx = 0); double stod(const string& str, size_t *idx = 0); long double stold(const string& str, size_t *idx = 0); int stoi(const string& str, size_t *idx = 0, int base = 10); ...
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Is there a built in function for string natural sort?

...use either of the below formulas. >>> from natsort import natsort_keygen, ns >>> l1 = ['elm0', 'elm1', 'Elm2', 'elm9', 'elm10', 'Elm11', 'Elm12', 'elm13'] >>> l2 = l1[:] >>> natsort_key1 = natsort_keygen(key=lambda y: y.lower()) >>> l1.sort(key=natsort_k...
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PHP prepend associative array with literal keys?

...epend an associative array with literal key=>value pairs? I know that array_unshift() works with numerical keys, but I'm hoping for something that will work with literal keys. ...
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Why does viewWillAppear not get called when an app comes back from the background?

...egroundNotification, object: nil) } override func viewWillAppear(_ animated: Bool) { print("view will appear") } override func viewDidAppear(_ animated: Bool) { print("view did appear") } // MARK: - Notification oberserver methods @objc func didBecome...
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Ruby: How to turn a hash into HTTP parameters?

...reaks down. require "addressable/uri" uri = Addressable::URI.new uri.query_values = {:a => "a", :b => ["c", "d", "e"]} uri.query # => "a=a&b[0]=c&b[1]=d&b[2]=e" uri.query_values = {:a => "a", :b => [{:c => "c", :d => "d"}, {:e => "e", :f => "f"}]} uri.query # ...
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Print a string as hex bytes?

...ex (convert str to bytes by calling .encode()). – mic_e May 8 '15 at 12:53 8 ...
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What is the difference between Int and Integer?

...answered May 16 '14 at 21:28 200_success200_success 6,40311 gold badge3434 silver badges6666 bronze badges ...
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How to handle Objective-C protocols that contain properties?

...e. Edit: You may want to do this more specifically: @synthesize title = _title; This will fall in line with how xcode's automatic synthesis creates properties and ivars if you use auto-synthesis, so that way if your class has properties from a protocol and a class, some of your ivars won't have...
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Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi

...ost User: root Password: Select_priv: Y Insert_priv: Y Update_priv: Y Delete_priv: Y Create_priv: Y Drop_priv: Y Reload_priv: Y Shutdown_priv: Y Process_priv: Y ...
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Exception thrown in NSOrderedSet generated accessors

... I am getting this error when I try to implement this work-around.. [__NSArrayI isEqualToSet:]: unrecognized selector sent to instance... This usually is from a item that has been release, but can't find where, anyone run into this? – DerekH Jan 19 '12 at...