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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...
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...
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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Android REST client, Sample?
Even if this thread has accepted answer, feel free to propose other ideas, you do use or like
7 Answers
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Why does Python print unicode characters when the default encoding is ASCII?
...scheme currently stored in sys.stdout.encoding. Python actually picks up this setting from the environment it's been initiated from. If it can't find a proper encoding from the environment, only then does it revert to its default, ASCII.
For example, I use a bash shell which encoding defaults to UT...
What database does Google use?
Is it Oracle or MySQL or something they have built themselves?
8 Answers
8
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super() raises “TypeError: must be type, not classobj” for new-style class
The following use of super() raises a TypeError: why?
7 Answers
7
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Why malloc+memset is slower than calloc?
It's known that calloc is different than malloc in that it initializes the memory allocated. With calloc , the memory is set to zero. With malloc , the memory is not cleared.
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What are the differences between git branch, fork, fetch, merge, rebase and clone?
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A clone is simply a copy of a repository. On the surface, its result is equivalent to svn checkout, where you download source code from some other repository. The difference between centralized VCS like Subversion and DVCSs like Gi...
Regular expression to check if password is “8 characters including 1 uppercase letter, 1 special cha
...t I am pretty sure that maintaining it and debugging it would be easier. This would also allow you to provide more directed error messages to your users (other than just Invalid Password) which should improve user experience.
From what I am seeing you are pretty fluent in regex, so I would presume ...