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How to get the original value of an attribute in Rails
is there a way to get the original value that an ActiveRecord attribute (=the value that was loaded from the database)?
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Grouping functions (tapply, by, aggregate) and the *apply family
Whenever I want to do something "map"py in R, I usually try to use a function in the apply family.
10 Answers
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Python Write bytes to file
I have a function that returns a string. The string contains carriage returns and new line feeds (0x0D, 0x0A). However when I write to a file it contains only the new line feeds. Is there a way to get the output to include the carriage return and the new line feed.
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BasicHttpBinding vs WsHttpBinding vs WebHttpBinding
In WCF there are several different types of HTTP based bindings:
1 Answer
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What events does an fire when it's value is changed?
Just wondering whether anyone knows what events an HTML5 <input type="number" /> element fires when its up / down arrows are clicked:
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How to create a tag with Javascript?
I'm looking for a way to insert a <style> tag into an HTML page with JavaScript.
14 Answers
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Creating instance of type without default constructor in C# using reflection
Take the following class as an example:
4 Answers
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.NET WebAPI Serialization k_BackingField Nastiness
When i serialize the following:
4 Answers
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What is the Scala identifier “implicitly”?
I have seen a function named implicitly used in Scala examples. What is it, and how is it used?
3 Answers
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What is resource-ref in web.xml used for?
I'm just wondering when/why you would define a <resource-ref> element in your web.xml file?
1 Answer
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