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Scala how can I count the number of occurrences in a list
I want to implement it like this: list.count(2) (returns 3).
16 Answers
16
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How can I mock requests and the response?
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This is how you can do it (you can run this file as-is):
import requests
import unittest
from unittest import mock
# This is the class we want to test
class MyGreatClass:
def fetch_json(self, url):
response = requests.get(url)
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Setting the selected value on a Django forms.ChoiceField
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Try setting the initial value when you instantiate the form:
form = MyForm(initial={'max_number': '3'})
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In node.JS how can I get the path of a module I have loaded via require that is *not* mine (i.e. in
...file subordinate to that module (so I can subclass a Constructor method in it). I can't (well, don't want to) modify the module's code, so don't have a place to extract its __dirname.
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Change auto increment starting number?
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You can use ALTER TABLE to change the auto_increment initial value:
ALTER TABLE tbl AUTO_INCREMENT = 5;
See the MySQL reference for more details.
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Creating the Singleton design pattern in PHP5
...n $inst;
}
/**
* Private ctor so nobody else can instantiate it
*
*/
private function __construct()
{
}
}
To use:
$fact = UserFactory::Instance();
$fact2 = UserFactory::Instance();
$fact == $fact2;
But:
$fact = new UserFactory()
Throws an error.
See htt...
How do I get the path of the Python script I am running in? [duplicate]
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edited Oct 12 '15 at 22:37
Bilal Syed Hussain
6,16477 gold badges3131 silver badges4141 bronze badges
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multiprocessing: How do I share a dict among multiple processes?
...ctionary D to store results. (so each child process may use D to store its result and also see what results the other child processes are producing)
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Formatting numbers (decimal places, thousands separators, etc) with CSS
Is it possible to format numbers with CSS?
That is: decimal places, decimal separator, thousands separator, etc.
10 Answers...
How to achieve function overloading in C?
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There are few possibilities:
printf style functions (type as an argument)
opengl style functions (type in function name)
c subset of c++ (if You can use a c++ compiler)
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