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What is an xs:NCName type and when should it be used?
I ran one of my xml files through a schema generator and everything generated was what was expected, with the exception of one node:
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Global access to Rake DSL methods is deprecated
I am working through the Ruby on Rails 3 tutorial book and typed the following on the command line:
5 Answers
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Why does base64 encoding require padding if the input length is not divisible by 3?
...ence is lost. However, if padded sequences are used, there's no ambiguity, and the sequence as a whole can be decoded correctly.
Edit: An Illustration
Suppose we have a program that base64-encodes words, concatenates them and sends them over a network. It encodes "I", "AM" and "TJM", sandwiches th...
grep a file, but show several surrounding lines?
... would like to grep for a string, but also show the preceding five lines and the following five lines as well as the matched line. How would I be able to do this?
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Bootstrap control with multiple “data-toggle”
... "data-toggle".
For example, lets say I want a button that has a "tooltip" and a "button" toggle assigned
to it.
Tried data-toggle="tooltip button", but only the tooltip worked.
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Java ArrayList - how can I tell if two lists are equal, order not mattering?
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You could sort both lists using Collections.sort() and then use the equals method. A slighly better solution is to first check if they are the same length before ordering, if they are not, then they are not equal, then sort, then use equals. For example if you had two lists o...
Can you provide some examples of why it is hard to parse XML and HTML with a regex? [closed]
One mistake I see people making over and over again is trying to parse XML or HTML with a regex. Here are a few of the reasons parsing XML and HTML is hard:
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Using ping in c#
...s;
}
catch (PingException)
{
// Discard PingExceptions and return false;
}
finally
{
if (pinger != null)
{
pinger.Dispose();
}
}
return pingable;
}
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How do I set up a basic Ruby project?
...o create a small Ruby project with 10 ~ 20 classes/files. I need some gems and I want to use RSpec as test framework.
4 Ans...
What's the (hidden) cost of Scala's lazy val?
One handy feature of Scala is lazy val , where the evaluation of a val is delayed until it's necessary (at first access).
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