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Using arrays or std::vectors in C++, what's the performance gap?
In our C++ course they suggest not to use C++ arrays on new projects anymore. As far as I know Stroustroup himself suggests not to use arrays. But are there significant performance differences?
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How to convert/parse from String to char in java?
How do I parse a String value to a char type, in Java?
14 Answers
14
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Adding days to $Date in PHP
I have a date returned as part of a mySQL query in the form 2010-09-17
9 Answers
9
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Merging objects (associative arrays)
What’s the best/standard way of merging two associative arrays in JavaScript? Does everyone just do it by rolling their own for loop?
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Counting Line Numbers in Eclipse [closed]
I have a Java project in Eclipse with ~10 packages and ~10 class files per package. Is there a way to determine total lines of code for the whole project from within Eclipse? I am familiar with other tools (e.g., Code Analyzer, wc, etc.) but I want to know if there is a way to do this within Eclip...
Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with
I'm getting the error:
21 Answers
21
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How to read a large file - line by line?
I want to iterate over each line of an entire file. One way to do this is by reading the entire file, saving it to a list, then going over the line of interest. This method uses a lot of memory, so I am looking for an alternative.
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Structs versus classes
I'm about to create 100,000 objects in code. They are small ones, only with 2 or 3 properties. I'll put them in a generic list and when they are, I'll loop them and check value a and maybe update value b .
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Checking if a variable is defined?
How can I check whether a variable is defined in Ruby? Is there an isset -type method available?
14 Answers
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Keep-alive header clarification
I was asked to build a site , and one of the co-developer told me That I would need to include the keep-alive header.
1 An...