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Is it more efficient to copy a vector by reserving and copying, or by creating and swapping? [duplic

... @rlbond Accidentally downvoted the answer :(, Can you please edit the post, so that i can remove the downvote and give the upvote? – Shubham Sharma Jul 24 at 17:32 ...
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Get selected subcommand with argparse

...s: >>> parser = argparse.ArgumentParser() >>> parser.add_argument('-g', '--global') >>> subparsers = parser.add_subparsers(dest="subparser_name") # this line changed >>> foo_parser = subparsers.add_parser('foo') >>> foo_parser.add_argument('-c', '--count...
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Python Threading String Arguments

...t list processThread.start() If you notice, from the stack trace: self.__target(*self.__args, **self.__kwargs) The *self.__args turns your string into a list of characters, passing them to the processLine function. If you pass it a one element list, it will pass that element as the first argum...
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OAuth with Verification in .NET

... as a console app) to integrate with an OAuth-enabled application, specifically Mendeley ( http://dev.mendeley.com ), which apparently uses 3-legged OAuth. ...
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How do you add an in-app purchase to an iOS application?

How do you add an in-app purchase to an iOS app? What are all the details and is there any sample code? 5 Answers ...
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sed one-liner to convert all uppercase to lowercase?

I have a textfile in which some words are printed in ALL CAPS. I want to be able to just convert everything in the textfile to lowercase, using sed . That means that the first sentence would then read, 'i have a textfile in which some words are printed in all caps.' ...
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Sending files using POST with HttpURLConnection

...one can provide me with a good example on how to send a bitmap "file" (actually an in-memory stream) via POST to an Apache HTTP server. I'm not interested in cookies or authentication or anything complicated, but I just want to have a reliable and logic implementation. All the examples that I've see...
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Location Services not working in iOS 8

... check whether the user is running iOS 8 or iOS 7. For example: #define IS_OS_8_OR_LATER ([[[UIDevice currentDevice] systemVersion] floatValue] >= 8.0) //In ViewDidLoad if(IS_OS_8_OR_LATER) { [self.locationManager requestAlwaysAuthorization]; } [self.locationManager startUpdatingLocation]; ...
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map function for objects (instead of arrays)

... of obj1 sit on the 'prototype' of obj2 console.log(obj2) // Prints: obj2.__proto__ = { 'a': 1, 'b': 2, 'c': 3} console.log(Object.keys(obj2)); // Prints: an empty Array. for (key in obj2) { console.log(key); // Prints: 'a', 'b', 'c' } jsbin However, please do me a favor and av...
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Dealing with “java.lang.OutOfMemoryError: PermGen space” error

...rvice. If you get an error the specified service does not exist as an installed service you should run: tomcat6w //ES//servicename where servicename is the name of the server as viewed in services.msc Source: orx's comment on Eric's Agile Answers. ...