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When should I use mmap for file access?
POSIX environments provide at least two ways of accessing files. There's the standard system calls open() , read() , write() , and friends, but there's also the option of using mmap() to map the file into virtual memory.
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Twitter Bootstrap Tabs: Go to Specific Tab on Page Reload or Hyperlink
I'm developing a web page in which I'm using Twitter's Bootstrap Framework and their Bootstrap Tabs JS . It works great except for a few minor issues, one of which is I do not know how go directly to a specific tab from an external link. For example:
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Most efficient way to reverse a numpy array
Believe it or not, after profiling my current code, the repetitive operation of numpy array reversion ate a giant chunk of the running time. What I have right now is the common view-based method:
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Why would I prefer using vector to deque
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When to use virtual destructors?
I have a solid understanding of most OOP theory but the one thing that confuses me a lot is virtual destructors.
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What HTTP status response code should I use if the request is missing a required parameter?
I am thinking 412 (Precondition Failed) but there may be a better standard?
12 Answers
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In a Git repository, how to properly rename a directory?
I think it should work to copy the directory to be renamed to a new directory with desired name, and delete the old directory , and git add , git commit and push everything. But is this the best way?
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Explain the encapsulated anonymous function syntax
Can you explain the reasoning behind the syntax for encapsulated anonymous functions in JavaScript? Why does this work: (function(){})(); but this doesn't: function(){}(); ?
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What is better, adjacency lists or adjacency matrices for graph problems in C++?
What is better, adjacency lists or adjacency matrix, for graph problems in C++?
What are the advantages and disadvantages of each?
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How do you properly use namespaces in C++?
I come from a Java background, where packages are used, not namespaces. I'm used to putting classes that work together to form a complete object into packages, and then reusing them later from that package. But now I'm working in C++.
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