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Get the value of an instance variable given its name
...variable_get("@#{name}")
There is no need to use + or intern; Ruby will handle this just fine. However, if you find yourself reaching into another object and pulling out its ivar, there's a reasonably good chance that you have broken encapsulation.
If you explicitly want to access an ivar, the ri...
error: writable atomic property cannot pair a synthesized setter/getter with a user defined setter/g
...tried to compile an older Xcode project (which used to compile just fine), and now I'm seeing a lot of errors of this form:
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“continue” in cursor.forEach()
I'm building an app using meteor.js and MongoDB and I have a question about cursor.forEach().
I want to check some conditions in the beginning of each forEach iteration and then skip the element if I don't have to do the operation on it so I can save some time.
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How can I determine the type of an HTML element in JavaScript?
...g(elt.nodeName);
Note that nodeName returns the element name capitalized and without the angle brackets, which means that if you want to check if an element is an <div> element you could do it as follows:
elt.nodeName == "DIV"
While this would not give you the expected results:
elt.nodeN...
List files in local git repo?
I'm using Sparkleshare, which uses Git to sync files between my laptop and my backup server.
3 Answers
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Proper use of errors
I'm using TypeScript for a reasonably large project, and am wondering what the standard is for the use of Error s. For example, say I hand an index out of bounds exception in Java:
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Spring Expression Language (SpEL) with @Value: dollar vs. hash ($ vs. #)
... ${...} . Furthermore, when I started with SpEL I was told to use ${...} and it works fine.
4 Answers
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jQuery Plugin: Adding Callback functionality
I'm trying to give my plugin callback functionality, and I'd like for it to operate in a somewhat traditional way:
6 Answer...
git command to show all (lightweight) tags creation dates
...tags --simplify-by-decoration --pretty="format:%ai %d"
I've put that command in an alias in my ~/.alias, so now everytime I run gitshowtagbydate I get what I needed.
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java.util.Date to XMLGregorianCalendar
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I should like to take a step back and a modern look at this 10 years old question. The classes mentioned, Date and XMLGregorianCalendar, are old now. I challenge the use of them and offer alternatives.
Date was always poorly designed and is more than 20 yea...