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Proper use cases for Android UserManager.isUserAGoat()?
I was looking at the new APIs introduced in Android 4.2 .
While looking at the UserManager class I came across the following method:
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Implicit type conversion rules in C++ operators
I want to be better about knowing when I should cast. What are the implicit type conversion rules in C++ when adding, multiplying, etc. For example,
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When to use a “has_many :through” relation in Rails?
I am trying to understand what has_many :through is and when to use it (and how). However, I am not getting it. I am reading Beginning Rails 3 and I tried Googling, but I am not able to understand.
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python list in sql query as parameter
I have a python list, say l
15 Answers
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Proper use of 'yield return'
The yield keyword is one of those keywords in C# that continues to mystify me, and I've never been confident that I'm using it correctly.
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Most efficient way to store thousand telephone numbers
This is a google interview question:
13 Answers
13
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How do exceptions work (behind the scenes) in c++
I keep seeing people say that exceptions are slow, but I never see any proof. So, instead of asking if they are, I will ask how do exceptions work behind the scenes, so I can make decisions of when to use them and whether they are slow.
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C++ valarray vs. vector
I like vectors a lot. They're nifty and fast. But I know this thing called a valarray exists. Why would I use a valarray instead of a vector? I know valarrays have some syntactic sugar, but other than that, when are they useful?
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How do you create a Swift Date object?
How do you create a date object from a date in swift xcode.
10 Answers
10
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module.exports vs exports in Node.js
I've found the following contract in a Node.js module:
23 Answers
23
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