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What's the $unwind operator in MongoDB?
...rstand the concept behind the $unwind parameter, you first must understand what the use case that you are trying to quote is saying. The example document from mongodb.org is as follows:
{
title : "this is my title" ,
author : "bob" ,
posted : new Date () ,
pageViews : 5 ,
tags : [ "fun" , "goo...
What's the absurd function in Data.Void useful for?
...simple (Left x) = absurd x
simple (Right y) = y
This turns out to be somewhat useful. Consider a simple type for Pipes
data Pipe a b r
= Pure r
| Await (a -> Pipe a b r)
| Yield !b (Pipe a b r)
this is a strict-ified and simplified version of the standard pipes type from Gabriel Gonza...
Change the Right Margin of a View Programmatically?
... it right now, so my casting may be off by a bit, but the LayoutParams are what need to be modified to change the margin.
NOTE
Don't forget that if your TextView is inside, for example, a
RelativeLayout, one should use RelativeLayout.LayoutParams instead of
LinearLayout.LayoutParams
...
Xcode stuck on Indexing
...
Could you elaborate on what this file is for / how it is related to the problem at hand?
– de.
Aug 31 '16 at 12:54
...
Find an element in DOM based on an attribute value
...e easiest especially to be cross browser compatible without having to know what that requires.
– Alexis Wilke
Dec 8 '14 at 4:33
1
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Locking pattern for proper use of .NET MemoryCache
...
@DarthVader in what way will the above code not work? also this is not strictly "double checked locking" I am just following a similar pattern and it was the best way I could think of to describe it. That is why I said it was a kind of doub...
Auto detect mobile browser (via user-agent?) [closed]
...there of known mobile user agents so you don't need to start from scratch. What I did when I had to is to build a database of known user agents and store unknowns as they are detected for revision and then manually figure out what they are. This last thing might be overkill in some cases.
If you wa...
Calling a static method on a generic type parameter
...
But what if you masked your static method in a child class? public class SomeChildClass : SomeBaseClass{ public new static StaticMethodOnSomeBaseClassThatReturnsCollection(){} } Could you do something to access that static ...
When and why to 'return false' in JavaScript?
...
what about FileNotFound?
– nickf
May 12 '09 at 23:25
...
Why doesn't C# support the return of references?
...t determines uses of ref-returns that clearly do not violate stack safety. What we would do is write such a detector, and if the detector could not prove stack safety, then we would not allow the usage of ref returns in that part of the program. It is not a huge amount of dev work to do so, but it i...