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What is the difference between and ?
What is the difference between and ?
11 Answers
11
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In a django model custom save() method, how should you identify a new object?
...d of a Django model object when I'm saving a new record (not updating an existing record.)
13 Answers
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What does AngularJS do better than jQuery? [closed]
...m not clear on why or when to use it, or what benefits I may find in comparison to just using jQuery.
1 Answer
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How to get current memory usage in android?
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CAUTION: This answer measures memory usage/available of the DEVICE. This is NOT what is available to your app. To measure what your APP is doing, and is PERMITTED to do, Use android developer's answer.
Android docs - ActivityManager....
C++ templates that accept only certain types
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I suggest using Boost's static assert feature in concert with is_base_of from the Boost Type Traits library:
template<typename T>
class ObservableList {
BOOST_STATIC_ASSERT((is_base_of<List, T>::value)); //Yes, the double parentheses are needed, otherwise the comma will...
Why does Ruby have both private and protected methods?
Before I read this article , I thought access control in Ruby worked like this:
7 Answers
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Entity Framework is Too Slow. What are my options? [closed]
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You should start by profiling the SQL commands actually issued by the Entity Framework. Depending on your configuration (POCO, Self-Tracking entities) there is a lot room for optimizations. You can debug the SQL commands (which shouldn't differ between debug and release mode) usin...
Is it good practice to use java.lang.String.intern()?
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When would I use this function in favor to String.equals()
when you need speed since you can compare strings by reference (== is faster than equals)
Are there side effects not mentioned in the Javadoc?
The primary disadvantage is that y...
How to check if activity is in foreground or in visible background?
I have a splash screen on a timer. My problem is that before I finish() my activity I need to check that the next activity has started because a system dialogue box pops-up and I only want to finish() ; once the user has selected an option from the dialogue box?
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System.Timers.Timer vs System.Threading.Timer
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This article offers a fairly comprehensive explanation:
"Comparing the Timer Classes in the .NET Framework Class Library" - also available as a .chm file
The specific difference appears to be that System.Timers.Timer is geare...