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How do I perform the SQL Join equivalent in MongoDB?
...f Mongo 3.2 the answers to this question are mostly no longer correct. The new $lookup operator added to the aggregation pipeline is essentially identical to a left outer join:
https://docs.mongodb.org/master/reference/operator/aggregation/lookup/#pipe._S_lookup
From the docs:
{
$lookup:
...
Strip HTML from strings in Python
... Thanks for the great answer. One thing to note for those of you using newer versions of Python (3.2+) is that you'll need to call the parent class's __init__ function. See here: stackoverflow.com/questions/11061058/….
– pseudoramble
Aug 18 '13 at 17:54
...
Best practices for API versioning? [closed]
...me of every resource and resource instance.
Over time you may need to add new resources and new attributes to each particular resource, but the method that API users follow to access a particular resources should not change once a resource addressing scheme becomes public and therefore final.
This...
What is the Haskell response to Node.js?
...
Yep! And brand new I/O multiplexing in GHC 7 makes writing servers in Haskell even better.
– andreypopp
Oct 13 '10 at 20:38
...
Bootstrap 3 Glyphicons are not working
...k, I'm still unable to see the icons. I even tried to start a completely new MVC 5 app and using Nuget to install bootstrap latest version 3.3.7 which install all the folders correctly and nothing shows a 404 in the browser debugger tool or anything telling me that the fonts aren't loaded and I ca...
iOS (iPhone, iPad, iPodTouch) view real-time console log terminal
...9 and much easier to use.
This is a open-source program that displays the iDevice's system log in Terminal (in a manner similar to tail -F). No jailbreak is required, and the output is fully grep'able so you can filter to see output from your program only. What's particularly good about this solut...
How to check if BigDecimal variable == 0 in java?
... with the BigDecimal constant BigDecimal.ZERO avoids having to construct a new BigDecimal(0) every execution.
FYI, BigDecimal also has constants BigDecimal.ONE and BigDecimal.TEN for your convenience.
Note!
The reason you can't use BigDecimal#equals() is that it takes scale into consideration:
...
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
{
...
Rebuild or regenerate 'ic_launcher.png' from images in Android Studio
When one first creates a new project, that dialog lets you point
to some external .PNG file, and then when that dialog completes,
it generates 4 different pixel-sizes of images for use as
a launcher-icon.
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How to round float numbers in javascript?
...(54.9, 1); // 50
Math.round10(-55.55, -1); // -55.5
Math.round10(-55.551, -1); // -55.6
Math.round10(-55, 1); // -50
Math.round10(-55.1, 1); // -60
Math.round10(1.005, -2); // 1.01 -- compare this with Math.round(1.005*100)/100 above
Math.round10(-1.005, -2); // -1.01
// Floor
Math.f...