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How do you read from stdin?

...or this to work.) If you want to prompt the user for input, you can use raw_input in Python 2.X, and just input in Python 3. If you actually just want to read command-line options, you can access them via the sys.argv list. You will probably find this Wikibook article on I/O in Python to be a us...
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What techniques can be used to speed up C++ compilation times?

...more than once in a single translation unit. #pragma once #ifndef filename_h #define filename_h // Header declarations / definitions #endif By using both the pragma and the ifndef, you get the portability of the plain macro solution, as well as the compilation speed optimization that some compi...
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UITableView load more when scrolling to bottom like Facebook application

...sBatchOfItems = try MyDataHelper.findRange(start..<end) } catch _ { print("query failed") } // update UITableView with new batch of items on main thread after query finishes DispatchQueue.main.async { if let newItems = thisBatchOfItems { ...
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ImportError: No module named pip

... After installing ez_setup, you should have easy_install available. To install pip just do: easy_install pip share | improve this answer ...
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How should a model be structured in MVC? [closed]

...a mock database dependency in your model): class Database { protected $_conn; public function __construct($connection) { $this->_conn = $connection; } public function ExecuteObject($sql, $data) { // stuff } } abstract class Model { protected $_db; public fu...
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Downloading a picture via urllib and python

...I have found this answer and I edit that in more reliable way def download_photo(self, img_url, filename): try: image_on_web = urllib.urlopen(img_url) if image_on_web.headers.maintype == 'image': buf = image_on_web.read() path = os.getcwd() + DOWNLOADED_I...
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Why {} + {} is NaN only on the client side? Why not in Node.js?

...eAPI && inspectedWindow.console) { inspectedWindow.console._commandLineAPI = new CommandLineAPI(this._commandLineAPIImpl, isEvalOnCallFrame ? object : null); expression = "with ((window && window.console && window.console._commandLineAPI) || {}) {\n" + express...
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Docker - how can I copy a file from an image to a host?

... Actually, I use docker run --rm --entrypoint tar _image_ cC _img_directory_ . | tar xvC _host_directory_ – caligari Nov 30 '17 at 11:04 add a comment...
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Converting from IEnumerable to List [duplicate]

...to a Generic List. //ArrayList Implements IEnumerable interface ArrayList _provinces = new System.Collections.ArrayList(); _provinces.Add("Western"); _provinces.Add("Eastern"); List<string> provinces = _provinces.Cast<string>().ToList(); If you're using Generic version IEnumerable&...
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Why should text files end with a newline?

...ter. Source: https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_206 An incomplete line as: A sequence of one or more non- <newline> characters at the end of the file. Source: https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_1...