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What's the difference between an inverted index and a plain old index?
In software engineering we create indexes all the time (e.g., in databases) but I also hear a lot of people talk about inverted indices. Is there something fundamentally different between the two? They sound like the same thing.
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Hibernate problem - “Use of @OneToMany or @ManyToMany targeting an unmapped class”
I'm finding my feet with Hibernate Annotations and I've hit a problem I hope someone can help with.
7 Answers
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What is a Python equivalent of PHP's var_dump()? [duplicate]
When debugging in PHP, I frequently find it useful to simply stick a var_dump() in my code to show me what a variable is, what its value is, and the same for anything that it contains.
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How do I log errors and warnings into a file?
How do I turn on all error and warnings and log them to a file, but to set up all of that within the script (not changing anything in php.ini)?
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How do I build a numpy array from a generator?
How can I build a numpy array out of a generator object?
5 Answers
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Why do we use volatile keyword? [duplicate]
I have never used it but I wonder why people use it? What does it exactly do? I searched the forum, I found it only C# or Java topics.
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Is the sizeof(some pointer) always equal to four?
For example:
sizeof(char*) returns 4. As does int* , long long* , everything that I've tried. Are there any exceptions to this?
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iPhone 5 CSS media query
The iPhone 5 has a longer screen and it's not catching my website's mobile view. What are the new responsive design queries for the iPhone 5 and can I combine with existing iPhone queries?
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Simple way to encode a string according to a password?
Does Python have a built-in, simple way of encoding/decoding strings using a password?
19 Answers
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Concatenate two slices in Go
I'm trying to combine the slice [1, 2] and the slice [3, 4] . How can I do this in Go?
7 Answers
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