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How do I keep Python print from adding newlines or spaces? [duplicate]
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import sys
sys.stdout.write('h')
sys.stdout.flush()
sys.stdout.write('m')
sys.stdout.flush()
You need to call sys.stdout.flush() because otherwise it will hold the text in a buffer and you won't see it.
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Listen for key press in .NET console app
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Use Console.KeyAvailable so that you only call ReadKey when you know it won't block:
Console.WriteLine("Press ESC to stop");
do {
while (! Console.KeyAvailable) {
// Do something
}
} while (Console.ReadKey(true).Key != ConsoleKey.Escape);
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std::unique_ptr with an incomplete type won't compile
I'm using the pimpl-idiom with std::unique_ptr :
6 Answers
6
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find vs find_by vs where
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Use whichever one you feel suits your needs best.
The find method is usually used to retrieve a row by ID:
Model.find(1)
It's worth noting that find will throw an exception if the item is not found by the attribute that you supply. Use where (as des...
Truncating floats in Python
I want to remove digits from a float to have a fixed number of digits after the dot, like:
29 Answers
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How to check Django version
...follow
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edited Aug 11 '19 at 8:33
user3956566
answered Jun 24 '11 at 13:30
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How to remove the first and the last character of a string
...);
console.log(result);
Or you can use .slice as suggested by Ankit Gupta
var yourString = "/installers/services/";
var result = yourString.slice(1,-1);
console.log(result);
Documentation for the slice and substring.
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How to re-create database for Entity Framework?
I have got into a bad state with my ASP.Net MVC 5 project, using Code-First Entity Framework. I don't care about losing data, I just want to be able to start fresh, recreate the database and start using Code-First migrations.
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Memoization in Haskell?
...GE BangPatterns #-}
import Data.Function (fix)
Let's define f, but make it use 'open recursion' rather than call itself directly.
f :: (Int -> Int) -> Int -> Int
f mf 0 = 0
f mf n = max n $ mf (n `div` 2) +
mf (n `div` 3) +
mf (n `div` 4)
You can get ...
Window.open and pass parameters by post method
With window.open method I open new site with parameters, which I have to pass by post method.I've found solution, but unfortunately it doesn't work. This is my code:
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