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How to get Linux console window width in Python

...pens the 'stty size' command as a file, 'reads' from it, and uses a simple string split to separate the coordinates. Unlike the os.environ["COLUMNS"] value (which I can't access in spite of using bash as my standard shell) the data will also be up-to-date whereas I believe the os.environ["COLUMNS"]...
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Iterate keys in a C++ map

...e <iostream> #include <map> int main() { std::map<std::string, int> myMap; myMap["one"] = 1; myMap["two"] = 2; myMap["three"] = 3; for ( const auto &myPair : myMap ) { std::cout << myPair.first << "\n"; } } ...
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How to get the request parameters in Symfony 2?

... uses, but it actually makes more sense. $_GET data is data from the query string (no GET request needed at all) and $_POST data is data from the request body (does not have to be a POST request either, could be PUT). – igorw Mar 20 '12 at 15:43 ...
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How to encode a URL in Swift [duplicate]

... Swift 4.2 var urlString = originalString.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) Swift 3.0 var address = "American Tourister, Abids Road, Bogulkunta, Hyderabad, Andhra Pradesh, India" let escapedAddress = address.add...
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What is the purpose of the single underscore “_” variable in Python?

...on') _ = gettext.gettext # ... print(_('This is a translatable string.')) 2019 update: Added lambda. For a long time this answer only listed three use cases, but the lambda case came up often enough, as noted here, to be worth listing explicitly 2020 update: Added lint. Surprised nobody...
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Concatenating Files And Insert New Line In Between Files

... This puts the string at the end of the file; how do I get it inserted between each file? – onassar Nov 19 '18 at 16:37 ...
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How to replace spaces in file names using a bash script

... expansion mechanism to replace a pattern within a parameter with supplied string. The relevant syntax is ${parameter/pattern/string}. See: https://www.gnu.org/software/bash/manual/html_node/Shell-Parameter-Expansion.html or http://wiki.bash-hackers.org/syntax/pe . ...
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What is the correct way to create a single-instance WPF application?

... [DllImport("user32")] public static extern int RegisterWindowMessage(string message); } Form1.cs (front side partial) public partial class Form1 : Form { public Form1() { InitializeComponent(); } protected override void WndProc(ref Message m) { ...
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Mock functions in Go

...1: Pass get_page() as a parameter of downloader() type PageGetter func(url string) string func downloader(pageGetterFunc PageGetter) { // ... content := pageGetterFunc(BASE_URL) // ... } Main: func get_page(url string) string { /* ... */ } func main() { downloader(get_page) } Tes...
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Mimicking sets in JavaScript?

I'm working in JavaScript. I'd like to store a list of unique , unordered string values, with the following properties: 7 ...