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How to get the last value of an ArrayList
How can I get the last value of an ArrayList?
20 Answers
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If strings are immutable in .NET, then why does Substring take O(n) time?
Given that strings are immutable in .NET, I'm wondering why they have been designed such that string.Substring() takes O( substring.Length ) time, instead of O(1) ?
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Strange out of memory issue while loading an image to a Bitmap object
I have a list view with a couple of image buttons on each row. When you click the list row, it launches a new activity. I have had to build my own tabs because of an issue with the camera layout. The activity that gets launched for the result is a map. If I click on my button to launch the image pre...
How to fix “ImportError: No module named …” error in Python?
What is the correct way to fix this ImportError error?
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Is the C# static constructor thread safe?
In other words, is this Singleton implementation thread safe:
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How can I use pickle to save a dict?
I have looked through the information that the Python docs give, but I'm still a little confused. Could somebody post sample code that would write a new file then use pickle to dump a dictionary into it?
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How to get the current time in milliseconds from C in Linux?
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Custom thread pool in Java 8 parallel stream
Is it possible to specify a custom thread pool for Java 8 parallel stream ? I can not find it anywhere.
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Is there a math nCr function in python? [duplicate]
I'm looking to see if built in with the math library in python is the nCr (n Choose r) function:
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