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MongoDB not equal to
... standard operator:
An examples for $ne, which stands for not equal:
use test
switched to db test
db.test.insert({author : 'me', post: ""})
db.test.insert({author : 'you', post: "how to query"})
db.test.find({'post': {$ne : ""}})
{ "_id" : ObjectId("4f68b1a7768972d396fe2268"), "author" : "you", "p...
How can I make console.log show the current state of an object?
...ectively make a copy of the object.
console.log(JSON.parse(JSON.stringify(test)));
JQuery specific solution:
You can create a snapshot of an object at a certain point in time with jQuery.extend
console.log($.extend({}, test));
What is actually happening here is jQuery is creating a new object...
Checking if a double (or float) is NaN in C++
...+ (with -fastmath) screw that up. the only general way, until c++0x, is to test for bitpattern.
– Cheers and hth. - Alf
Mar 26 '11 at 9:15
66
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Compare equality between two objects in NUnit
...
Override .Equals for your object and in the unit test you can then simply do this:
Assert.AreEqual(LeftObject, RightObject);
Of course, this might mean you just move all the individual comparisons to the .Equals method, but it would allow you to reuse that implementation...
How to iterate through two lists in parallel?
...on.
import timeit
import matplotlib.pyplot as plt
import numpy as np
def test_zip( foo, bar ):
store = []
for f, b in zip(foo, bar):
#print(f, b)
store.append( (f, b) )
def test_enumerate( foo, bar ):
store = []
for n, f in enumerate( foo ):
#print(f, bar[...
How do you check if a JavaScript Object is a DOM Object?
...on't have HTMLElement and
//an exception is thrown and we end up here. Testing some
//properties that all elements have (works on IE7)
return (typeof obj==="object") &&
(obj.nodeType===1) && (typeof obj.style === "object") &&
(typeof obj.ownerDocument ...
Best way to stress test a website [duplicate]
...
My suggestion is for you to do some automated tests first. Use selenium for it.
Then deploy selenium grid to test in multiple computers at the same time.
Although Selenium as an automated test tool will run quite fast, making a mini stress test. If you put the same aut...
How to copy a collection from one database to another in MongoDB
...
this worked well for resetting a test mongodb from a golden copy between test runs. rather than hard coding the collection names you can do a for loop over all the collection names you want to copy with db.getCollection(name).find().forEach and supply a func...
Detecting iOS / Android Operating system
...
You can test the user agent string:
/**
* Determine the mobile operating system.
* This function returns one of 'iOS', 'Android', 'Windows Phone', or 'unknown'.
*
* @returns {String}
*/
function getMobileOperatingSystem() {
v...
How to add a local repo and treat it as a remote repo
...t has a local remote. You can run the entire script and it will create the test repos in your home folder (tested on windows git bash). The explanations are inside the script for easier saving to your personal notes, its very readable from, e.g. Visual Studio Code.
I would also like to thank Jack f...