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How to print a number with commas as thousands separators in JavaScript
...tring().replace(/\B(?<!\.\d*)(?=(\d{3})+(?!\d))/g, ",");
}
function test(x, expect) {
const result = numberWithCommas(x);
const pass = result === expect;
console.log(`${pass ? "✓" : "ERROR ====>"} ${x} => ${result}`);
return pass;
}
let failures = 0;
failures ...
How to join absolute and relative urls?
...mport urlparse
>>> urlparse.urljoin(url1, url2)
'http://127.0.0.1/test1/test4/test6.xml'
With Python 3 (where urlparse is renamed to urllib.parse) you could use it as follow:
>>> import urllib.parse
>>> urllib.parse.urljoin(url1, url2)
'http://127.0.0.1/test1/test4/test...
What is the most efficient string concatenation method in python?
...ore-or-less the same)
On the strength of that, the array module may be fastest if you can shoehorn your problem into it. But ''.join is probably fast enough and has the benefit of being idiomatic and thus easier for other python programmers to understand.
Finally, the golden rule of optimization:...
Mockito : how to verify method was called on an object created within a method?
...483 ways of doing this), you'd have the access necessary to do perform the test.
Factory Example:
Given a Foo class written like this:
public class Foo {
private BarFactory barFactory;
public Foo(BarFactory factory) {
this.barFactory = factory;
}
public void foo() {
Bar bar = t...
Regular expression to match a dot
Was wondering what the best way is to match "test.this" from "blah blah blah test.this@gmail.com blah blah" is? Using Python.
...
How Do I Use Factory Girl To Generate A Paperclip Attachment?
...
You can use fixture_file_upload
include ActionDispatch::TestProcess in your test helper, here is an example factory:
include ActionDispatch::TestProcess
FactoryBot.define do
factory :user do
avatar { fixture_file_upload(Rails.root.join('spec', 'photos', 'test.png'), 'image...
Why does a RegExp with global flag give wrong results?
...'Foo B';
var re = new RegExp(query, 'gi');
var result = [];
result.push(re.test('Foo Bar'));
alert(re.lastIndex);
result.push(re.test('Foo Bar'));
If you don't want to manually reset lastIndex to 0 after every test, just remove the g flag.
Here's the algorithm that the specs dictate (section...
When should I use Lazy?
... to avoid doing it and is it worth it?
In the end I decided to try my own test and I thought I would share the results here. Unfortunately I am not really an expert at doing these sort of tests and so I am happy to get comments that suggest improvements.
Description
For my case, I was particular...
How do I find the duplicates in a list and create another list with them?
... [1, 2, 5]
Just in case speed matters, here are some timings:
# file: test.py
import collections
def thg435(l):
return [x for x, y in collections.Counter(l).items() if y > 1]
def moooeeeep(l):
seen = set()
seen_add = seen.add
# adds all elements it doesn't know yet to seen ...
What are the differences between mocks and stubs on Rhino Mocks?
...ock and Stub objects
and RhinoMocks recognizes that allowing us to write tests that better
state their purpose.
Mock objects are used to define expectations i.e: In this scenario I
expect method A() to be called with such and such parameters. Mocks
record and verify such expectations....