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Purpose of memory alignment
... get it. Say you have a memory with a memory word of length of 1 byte. Why can't you access a 4 byte long variable in a single memory access on an unaligned address(i.e. not divisible by 4), as it's the case with aligned addresses?
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Is it faster to count down than it is to count up?
Our computer science teacher once said that for some reason it is more efficient to count down than to count up.
For example if you need to use a FOR loop and the loop index is not used somewhere (like printing a line of N * to the screen)
I mean that code like this:
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window.close and self.close do not close the window in Chrome
The issue is that when I invoke window.close() or self.close() it doesn't close the window. Now there seems to be a belief that in Chrome you can't close by script any window that is not script created. That is patently false but regardless it is supposed to still do it, even if it requires to p...
How to find the lowest common ancestor of two nodes in any binary tree?
The Binary Tree here is may not necessarily be a Binary Search Tree.
The structure could be taken as -
34 Answers
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Is there any async equivalent of Process.Start?
Like the title suggests, is there an equivalent to Process.Start (allows you run another application or batch file) that I can await?
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Rails: How does the respond_to block work?
I'm going through the Getting Started with Rails guide and got confused with section 6.7. After generating a scaffold I find the following auto-generated block in my controller:
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What's the difference between a Future and a Promise?
What's the difference between Future and Promise ?
They both act like a placeholder for future results, but where is the main difference?
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Getting multiple keys of specified value of a generic Dictionary?
It's easy to get the value of a key from a .NET generic Dictionary:
15 Answers
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what is the difference between OLE DB and ODBC data sources?
I was reading a MS Excel help article about pivotcache and wonder what they mean by OLE DB and ODBC sources
11 Answers
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How to save an activity state using save instance state?
I've been working on the Android SDK platform, and it is a little unclear how to save an application's state. So given this minor re-tooling of the 'Hello, Android' example:
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