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File changed listener in Java
I'd like to be notified when a file has been changed in the file system. I have found nothing but a thread that polls the lastModified File property and clearly this solution is not optimal.
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The modulo operation on negative numbers in Python
I've found some strange behaviour in Python regarding negative numbers:
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Factory pattern in C#: How to ensure an object instance can only be created by a factory class?
Recently I've been thinking about securing some of my code. I'm curious how one could make sure an object can never be created directly, but only via some method of a factory class. Let us say I have some "business object" class and I want to make sure any instance of this class will have a valid in...
How do I put an already-running process under nohup?
I have a process that is already running for a long time and don't want to end it.
11 Answers
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How to debug Ruby scripts [closed]
I copied the following Ruby code from the Internet and made a few changes but it doesn't work.
17 Answers
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How do I run a program with a different working directory from current, from Linux shell?
Using a Linux shell , how do I start a program with a different working directory from the current working directory?
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What does the Java assert keyword do, and when should it be used?
What are some real life examples to understand the key role of assertions?
18 Answers
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What is the ideal data type to use when storing latitude / longitude in a MySQL database?
Bearing in mind that I'll be performing calculations on lat / long pairs, what datatype is best suited for use with a MySQL database?
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How to split a dos path into its components in Python
I have a string variable which represents a dos path e.g:
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Is it safe to use Project Lombok? [closed]
In case you don't know Project Lombok helps with some of the annoyances of Java with stuff like generating getters and setters with annotations and even simple JavaBean like generation with @Data . It could really help me, especially in 50 different event objects where you have up to 7 differen...