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Arrays, heap and stack and value types

...parts of the program and it'd clutter up the stack if they were left on it all the time. Or am I wrong? I'd guess they'd just be boxed and would live on the heap for as long the array existed. ...
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How to compute the sum and average of elements in an array?

I am having problems adding all the elements of an array as well as averaging them out. How would I do this and implement it with the code I currently have? The elements are supposed to be defined as I have it below. ...
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Recursive search and replace in text files on Mac and Linux

...the linux shell, the following command will recursively search and replace all instances of 'this' with 'that' (I don't have a Linux shell in front of me, but it should do). ...
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How to get domain URL and application name?

... The web application name (actually the context path) is available by calling HttpServletrequest#getContextPath() (and thus NOT getServletPath() as one suggested before). You can retrieve this in JSP by ${pageContext.request.contextPath}. <p>The co...
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Execute another jar in a Java program

... .jar isn't executable. Instantiate classes or make call to any static method. EDIT: Add Main-Class entry while creating a JAR. >p.mf (content of p.mf) Main-Class: pk.Test >Test.java package pk; public class Test{ public static void main(String []args){ Sys...
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How to do SELECT COUNT(*) GROUP BY and ORDER BY in Django?

I'm using a transaction model to keep track all the events going through the system 2 Answers ...
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How to get the source directory of a Bash script from within the script itself?

...ive you the full directory name of the script no matter where it is being called from. It will work as long as the last component of the path used to find the script is not a symlink (directory links are OK). If you also want to resolve any links to the script itself, you need a multi-line solution...
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How do I get Fiddler to stop ignoring traffic to localhost?

...ddler to monitor HTTP Requests & Responses in Internet Explorer it ignores all traffic directed to http://localhost . 14 A...
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Xcode — what is $(SRCROOT)?

...ferent computer, so I need to update some paths. The library search paths all start with $(SRCROOT) . What does that mean? ...
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How to configure Ruby on Rails with no database?

It would be convenient to use Ruby on Rails for a small website project that has no current need for a database. I know I could create an empty database in MySQL and go from there, but does anyone know a better way to run Rails without a database? ...