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How do I run a Ruby file in a Rails environment?
...name and arguments. I'm pretty sure this is possible since I've done it before. Can someone remind me how to do this?
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How to change the text on the action bar
...he application and I want it to display something custom and be different for each screen in my app.
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Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
...s, I have seen text fields defined as VARCHAR(255) as kind of the default for "shortish" text. Is there any good reason that a length of 255 is chosen so often, other than being a nice round number ? Is it a holdout from some time in the past when there was a good reason (whether or not it applie...
What is a serialVersionUID and why should I use it?
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The docs for java.io.Serializable are probably about as good an explanation as you'll get:
The serialization runtime associates with each serializable class a version number, called a serialVersionUID, which is used during deserial...
Clojure 1.2.1/1.3/1.4 'proxy generated in Grails 2.0.0 runtime fails. 1.2.0 is fine
I'm working on extending the Grails Clojure plugin in Grails 2.0.0 (and 2.1.0-SNAPSHOT) and I wanted to update it to Clojure 1.3.0 and add clojure.tools.logging .
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Difference between doseq and for in Clojure
What's the difference between doseq and for in Clojure? What are some examples of when you would choose to use one over the other?
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Node.js client for a socket.io server
....io server running and a matching webpage with a socket.io.js client. All works fine.
5 Answers
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Python regular expressions return true/false
...cts are always true, and None is returned if there is no match. Just test for trueness.
if re.match(...):
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The imported project “C:\Microsoft.CSharp.targets” was not found
I got this error today when trying to open a Visual Studio 2008 project in Visual Studio 2005:
16 Answers
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How do malloc() and free() work?
I want to know how malloc and free work.
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