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Is there a Java equivalent or methodology for the typedef keyword in C++?
... background, I found judicious use of typedef to be incredibly helpful. Do you know of a way to achieve similar functionality in Java, whether that be a Java mechanism, pattern, or some other effective way you have used?
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Delete specified file from document directory
I want to delete an image from my app document directory. Code I have written to delete image is:
10 Answers
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What is a classpath and how do I set it?
...r machine, so you have to provide the VM a list of places to look. This is done by putting folder and jar files on your classpath.
Before we talk about how the classpath is set, let's talk about .class files, packages, and .jar files.
First, let's suppose that MyClass is something you built as par...
Finding all cycles in a directed graph
...orithm which lists all (elementary) cycles of a directed graph. It is from Donald B. Johnson and the paper can be found in the following link:
http://www.cs.tufts.edu/comp/150GA/homeworks/hw1/Johnson%2075.PDF
A java implementation can be found in:
http://normalisiert.de/code/java/elementaryCycles...
How do I create a variable number of variables?
How do I accomplish variable variables in Python?
14 Answers
14
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Should I use a class or dictionary?
...at is mostly because that's what we like to enumerate together. i actually do think that the widespread use of classes to keep data is an abuse of oop; when you tghink about serialization issues, you can easily see why.
– flow
Feb 19 '11 at 19:39
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Vim users, where do you rest your right hand? [closed]
Longtime vim users, do you keep your fingers onjkl; or hjkl in normal mode?
5 Answers
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Batch equivalent of Bash backticks
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You can do it by redirecting the output to a file first. For example:
echo zz > bla.txt
set /p VV=<bla.txt
echo %VV%
share
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How do I get textual contents from BLOB in Oracle SQL
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Unfortunately, I do not control the database schema - I just need to peek into the blob... But thanks anyway.
– Roland Tepp
May 7 '09 at 6:32
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Why do we usually use || over |? What is the difference?
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| does not do short-circuit evaluation in boolean expressions. || will stop evaluating if the first operand is true, but | won't.
In addition, | can be used to perform the bitwise-OR operation on byte/short/int/long values. ||...