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MongoDB: Combine data from multiple collections into one..how?
...regations along with lookups, in a single query. Here is an example I have tested that works with MongoDB 4.0:
// Create employees data for testing the union.
db.getCollection('employees').insert({ name: "John", type: "employee", department: "sales" });
db.getCollection('employees').insert({ name: ...
How to find out if you're using HTTPS without $_SERVER['HTTPS']
...e is a load balancer between the client and your server, this code doesn't test the connection between the client and the load balancer, but the connection between the load balancer and your server. To test the former connection, you would have to test using the HTTP_X_FORWARDED_PROTO header, but it...
Django: How to manage development and production settings?
...ath.
So, let's assume you created myapp/production_settings.py and myapp/test_settings.py in your source repository.
In that case, you'd respectively set DJANGO_SETTINGS_MODULE=myapp.production_settings to use the former and DJANGO_SETTINGS_MODULE=myapp.test_settings to use the latter.
From he...
Does Javascript pass by reference? [duplicate]
...ble using the equal sign.. Take these simple examples.
var myString = 'Test string 1';
// Assignment - A link to the same place as myString
var sameString = myString;
// If I change sameString, it will not modify myString,
// it just re-assigns it to a whole new string
sameString = 'New strin...
What ReSharper 4+ live templates for C# do you use? [closed]
...
Create new unit test fixture for some type
Shortcut: ntf
Available in: C# 2.0+ files where type member declaration or namespace declaration is allowed
[NUnit.Framework.TestFixtureAttribute]
public sealed class $TypeToTest$Tests
{
[NUni...
Passing variable arguments to another function that accepts a variable argument list
...emplates:
#include <stdio.h>
template<typename... Args> void test(const char * f, Args... args) {
printf(f, args...);
}
int main()
{
int a = 2;
test("%s\n", "test");
test("%s %d %d %p\n", "second test", 2, a, &a);
}
At the very least, it works with g++.
...
Why dict.get(key) instead of dict[key]?
...ntage of returning the default value. But to clear all our queries, we can test on a fairly large list (Note that the test includes looking up all the valid keys only)
def getway(d):
for i in range(100):
s = d.get(i)
def lookup(d):
for i in range(100):
s = d[i]
Now timing...
How does the algorithm to color the song list in iTunes 11 work? [closed]
...came up with an algorithm that works on ~80% of the albums with which I've tested it.
Color Differences
The bulk of the algorithm deals with finding the dominant color of an image. A prerequisite to finding dominant colors, however, is calculating a quantifiable difference between two colors. One...
How to create Java gradle project
...
Use mkdir -p src/{main,test}/{java,resources}
– Ortwin Angermeier
Aug 23 '16 at 9:31
1
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Chrome, Javascript, window.open in new tab
...
I just want to add that by testing in Chrome and FF I found out that using window.open in what you define as a “user initiated event” keeps the browser default action. By that I mean that if in Chrome you hold shift on chrome and click a new browse...