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Rails - Nested includes on Active Records?
I have a list of events that I fetch.
I'm trying to include every user associated to this event and every profile associated to each user. The Users get included but not their profiles.
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How do i instantiate a JAXBElement object?
I need to create one of these as the interface requires it...can someone please let me know how to create one, as there doesnt seem to be a c'tor defined?
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Batch equivalent of Bash backticks
When working with Bash, I can put the output of one command into another command like so:
5 Answers
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Why would iterating over a List be faster than indexing through it?
Reading the Java documentation for the ADT List it says:
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Why does String.split need pipe delimiter to be escaped?
I am trying to parse a file that has each line with pipe delimited values.
It did not work correctly when I did not escape the pipe delimiter in split method, but it worked correctly after I escaped the pipe as below.
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Why does Java's Arrays.sort method use two different sorting algorithms for different types?
Java 6's Arrays.sort method uses Quicksort for arrays of primitives and merge sort for arrays of objects. I believe that most of time Quicksort is faster than merge sort and costs less memory. My experiments support that, although both algorithms are O(n log(n)). So why are different algorithms us...
How to use a different version of python during NPM install?
I have terminal access to a VPS running centos 5.9 and default python 2.4.3 installed. I also installed python 2.7.3 via these commands: (I used make altinstall instead of make install )
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Differences in auto-unboxing between Java 6 vs Java 7
I have noted a difference in auto unboxing behavior between Java SE 6 and Java SE 7. I'm wondering why that is, because I can't find any documentation of changes in this behavior between these two versions.
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Calculate relative time in C#
Given a specific DateTime value, how do I display relative time, like:
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When should I use File.separator and when File.pathSeparator?
In the File class there are two strings, separator and pathSeparator .
3 Answers
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